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Motorola SC 4812ET RF Hardware Installation Manual

Motorola SC 4812ET RF Hardware Installation Manual

Power cabinet
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SCt4812ET RF and Power Cabinet
Hardware Installation Manual
English
Apr 2001
68P09253A94–1
System Software Release 2.16.0
800/1700/1900 MHz
DRAFT
CDMA

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Summary of Contents for Motorola SC 4812ET RF

  • Page 1 SCt4812ET RF and Power Cabinet Hardware Installation Manual System Software Release 2.16.0 800/1700/1900 MHz CDMA English Apr 2001 DRAFT 68P09253A94–1...
  • Page 2 SCt4812ET RF and Power Cabinet Hardware Installation Manual 800/1700/1900 MHz CDMA...
  • Page 3 SCt4812ET RF and Power Cabinet Hardware Installation Manual System Software Release 2.16.0 800/1700/1900 MHz CDMA English Apr 2001 DRAFT 68P09253A94–1...
  • Page 4 Inc. reserves the right to make changes to any products described herein and reserves the right to revise this document and to make changes from time to time in content hereof with no obligation to notify any person of revisions or changes. Motorola, Inc. does not assume any liability arising out of the application or use of any product, software, or circuit described herein;...

  • Page 5: Table Of Contents

    Table of Contents 4812ET RF and Power Cabinet Hardware Installation Manual Release 2.16.0 This manual includes... Chapter Version Description Page V00.04 Front Foreword, General Safety, Revision History, Patent Notification V01.03 Introduction V02.03 Site Preparation V03.03 How to Unpack the SC 4812ET BTS V04.03 Cabinet Mounting V05.03...
  • Page 6 This manual is not intended to replace the system and equipment training offered by Motorola, although it can be used to supplement or enhance the knowledge gained through such training. Text conventions The following special paragraphs are used in this manual to point out information that must be read.
  • Page 7 Technical Education & Documentation (TED) maintains a customer database that reflects the type and number of manuals ordered or shipped since the original delivery of your Motorola equipment. Also identified in this database is a “key” individual (such as Documentation Coordinator or Facility Librarian) designated to receive manual updates from TED as they are released.
  • Page 8 Foreword – continued Reporting manual errors In the event that you locate an error or identify a deficiency in your manual, please take time to write to us at the address above. Be sure to include your name and address, the complete manual title and part number (located on the manual spine, cover, or title page), the page number (found at the bottom of each page) where the error is located, and any comments you may have regarding what you have found.
  • Page 9 Because of the danger of introducing additional hazards, do not install substitute parts or perform any unauthorized modification of equipment. Contact Motorola Warranty and Repair for service and repair to ensure that safety features are maintained. Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual V00.04...
  • Page 10 General Safety – continued Dangerous procedure warnings Warnings, such as the example below, precede potentially dangerous procedures throughout this manual. Instructions contained in the warnings must be followed. You should also employ all other safety precautions that you deem necessary for the operation of the equipment in your operating environment.
  • Page 11 Revision History Manual Number 68P09253A94 Manual Title 4812ET RF and Power Cabinet Hardware Installation Manual Version Information The following table lists the manual version, date of version, and remarks on the version. Version Date of Issue Remarks Level Apr 2001 Original draft from engineering Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual...
  • Page 12 Patent Notification Patent numbers This product is manufactured and/or operated under one or more of the following patents and other patents pending: 4128740 4661790 4860281 5036515 5119508 5204876 5247544 5301353 4193036 4667172 4866710 5036531 5121414 5204977 5251233 5301365 4237534 4672657 4870686 5038399 5123014 5207491 5255292 5303240 4268722 4694484 4872204 5040127 5127040 5210771 5257398 5303289 4282493 4696027 4873683 5041699 5127100 5212815 5259021 5303407 4301531 4704734 4876740 5047762 5128959 5212826 5261119 5305468...
  • Page 13 ....Figure 1-2: SC 4812ET RF Cabinet .....

  • Page 14: Introduction

    Scope of This Document This document provides information pertaining to the installation of the Motorola SC4812ET CDMA Base Transceiver Subsystem (BTS) and optional equipment. The basic frame installation is described in the RF and Power Cabinet mounting chapter. Expansion cabinet information will be included in future manual revisions.

  • Page 15: Recommended Documents

    RGPS hardware. Appendix B – “Cabinet Specifications”— This appendix covers the basic specifications of the SC 4812ET RF Cabinet and Power Cabinet. Appendix C – “Installation Quickstart” – A quick reference quide to the installation of the SC 4812ET BTS.

  • Page 16: Table 1-1: Acronyms

    Introduction – continued Site Document (generated by Motorola Systems Engineering) which includes: – trial specific documentation – channel allocation – contact list (customer) – ancillary/expendable equipment list – site wiring lists – card placement – contact list (Motorola support) – job box inventory...
  • Page 17 Introduction – continued Table 1-1: Acronyms Acronym Definition EMPC6 Expansion Multicoupler Preselector Card (for 6–sector) ETIB SC 4812ET Interface Board Field Replaceable Unit GLI2 Group Line Interface 2 Global Positioning Subsystem GFCI Ground Fault Circuit Interrupter High Stability Oscillator HSOX High Stability Oscillator Expansion Board IIP3 Input Intercept Point...

  • Page 18: Installation Hardware

    Compression Lug (for #2 AWG Ground Wire) M6 Stainless Steel Locking Hex Nuts (for Ground Lug) M12 x 100 Bolt M12 Flat Washer M12 Lock Washer M12 Nut Motorola Ivory Touch–Up Paint M6 Flat Washer M10 Nut M10 Flat Washer M10 Lock Washer 5/8” Flat Washer Large Flat Washer –...

  • Page 19: Figure 1-1: Sc 4812Et Installation Hardware

    Introduction – continued Figure 1-1: SC 4812ET Installation Hardware M12 X 30 BOLT 5/8” FLAT WASHER LARGE FLAT WASHER 5/8” BOLT M12 NUT M12 FLAT WASHER INSULATION SHOULDER WASHER WEATHERSEAL M10 NUT BUSHING & NUT M12 X 100 M10 FLAT WASHER M12 LOCK M6 NYLON...

  • Page 20: Recommended Tools

    Introduction – continued Recommended Tools Table 1-3 lists tools recommended for installing RF and Power Cabinets. Table 1-3: Recommended Tools Item Tool Description Tin Snips Wire Brush Knife or Scissors 10 mm Nut Driver 19 mm (3/4”) Open ended Torque Wrench (for N–type connector) 110 Style Punch Block Termination Tool Thomas &...

  • Page 21: Materials Available From Motorola

    Materials Available from Motorola Table 1-4 lists tools and materials available from Motorola. The items are identified by the Motorola assigned part number and include a brief description. These items can be ordered from your sales account team. Table 1-4: Cables, Tools, and Hardware...
  • Page 22 Introduction – continued Overview The major components which make up the Motorola SC 4812ET RF Cabinet (see Figure 1-2) and Power Cabinet (see Figure 1-7) system are illustrated in this section. CAUTION A service tent [reference: Pelsue Cabinet Mounted Service Tent;...

  • Page 23: Rf Cabinet External Frus

    Introduction – continued RF Cabinet External FRUs Figure 1-3 shows the location of the External Field Replaceable Units in the RF Cabinet. A brief description of each External FRU is found in the following paragraphs. Figure 1-3: RF Cabinet External FRUs External Blower Assembly (EBA) Note:...

  • Page 24: Figure 1-5: External Blower Assembly (Eba)

    Introduction – continued External Blower Assembly (EBA) The External Blower Assembly (see Figure 1-5) is a modular unit that provides cooling to the LPA’s, two blowers are used in the RF Cabinet. CAUTION The EBA contains two blowers and provides cooling that is VITAL to prevent service outage and possible damage to the LPAs.

  • Page 25: Rf Cabinet Internal Frus

    Introduction – continued RF Cabinet Internal FRUs Figure 1-6 shows the location of the Internal Field Replaceable Units. A brief description of each Internal FRU is found in the following paragraphs. Figure 1-6: RF Cabinet Internal FRUs ETIB CCP Fans RFDS C–CCP Shelf 5 RU Rack Space...
  • Page 26 RF Diagnostic Subsystem (RFDS) The RFDS provides the capability for remotely monitoring the status of the SC 4812ET RF Transmit and Receive paths. SC 4812ET Interface Board (ETIB) & LPA Control Brd (LPAC) The ETIB is an interconnect board showing status LEDs for the RF Cabinet, as well as providing secondary surge protection.

  • Page 27: Power Cabinet

    Introduction – continued Heat Exchanger The Heat Exchanger provides cooling to the internal compartment of the RF Cabinet. The fan speed of the heat exchangers adjusts automatically with temperature. The Heat Exchanger is located in the primary front door of the RF Cabinet. Power Cabinet Figure 1-7 illustrates the Power Cabinet design.

  • Page 28: Power Cabinet Internal Frus

    Introduction – continued Power Cabinet Internal FRUs Figure 1-8 shows the location of the Internal Field Replaceable Units. The FRUs are described in the following paragraphs. Figure 1-8: Power Cabinet with Batteries Installed (Doors Removed for Clarity) Rectifier Alarm Module Temperature Control Module...

  • Page 29: Enclosure Dimensions

    Punch Block The Punch Block is the interface for the alarm signalling between the Power Cabinet and the RF Cabinet. Enclosure Dimensions Table 1-5 show the dimensions for the SC 4812ET RF and Power Cabinet enclosures. Table 1-5: Cabinet Dimensions Height...

  • Page 30: Enclosure Clearances

    Introduction – continued Enclosure Clearances Figure 1-9 and Figure 1-10 show the clearances for the SC 4812ET RF and Power Cabinet enclosures. Figure 1-9: Minimum Cabinet Clearances for Door Openings and Mounting Brackets 130mm 1550mm 1880mm (0I) (5I) (61I) (74I)

  • Page 31: Figure 1-10: Min. Site Clearances For Sc 4812Et Cabinets

    NOTE: (1) 24” IS RECOMMENDED BETWEEN CABINETS TO ALLOW SIMULTANEOUS OPENING OF CABINET DOORS (2) BASED ON FIGURE 1–10 MOTOROLA RECOMMENDS A MINIMUM PAD (OR PEDESTAL) SIZE OF 2515 MM (99”) BY 3710 MM (146”) Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual V02.03...
  • Page 32 Introduction – continued Notes Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual V02.03 DRAFT...

  • Page 33: Site Preparation

    ....... . . SC 4812ET RF Configuration ......

  • Page 34: Overview

    Figure 2-7: Mounting Hole Dimensions ....Figure 2-8: SC 4812ET RF Cabinet Conduit I/O ... .
  • Page 35 Site Preparation – continued – Adequate ventilation must be available to dissipate heat loads of 7,500 Watts (25,600 Btu / hr) for the RF Cabinet and 3,000 Watts (10,300 Btu / hr) for the Power Cabinet (a total of 10,500 Watts; 35,900 Btu / hr), and maintain a maximum temperature of no greater than 50 Deg C (122 Deg –...

  • Page 36: Rooftop Location

    Loading Considerations (also see Table 2-2): – A single SC 4812ET RF Cabinet can weigh up to 680 kg. (1500 lbs) and a single Power Cabinet enclosure can weigh up to 1590 kg. (3500 lbs) with the batteries installed (batteries are shipped separately).

  • Page 37: Sc 4812Et Rf Configuration

    9 sector–carriers) Assumes 12 DRDCs present in cabinet Assumes 4 hours of battery backup and maximum battery weight of 41 kg (90 lbs) each. SC 4812ET RF FRU Configuration SC 4812ET FRU Configurations for Duplexed sites are described in Table 2-3 (see page 38).
  • Page 38 Site Preparation – continued Table 2-3: SC 4812ET FRU Configurations – Duplexed BTS 1 – Starter BTS 2 – Expansion Ttl # Expansion Con– 4812 4812 4812 4812 Impact to Expansion Field Recabling Trnk 4812 Dplxd Trnk 4812 Dplxd DRDCs DRDCs Service LPAs...
  • Page 39 Site Preparation – continued Table 2-3: SC 4812ET FRU Configurations – Duplexed BTS 1 – Starter BTS 2 – Expansion Ttl # Ttl # Expansion Expansion Con– Con– 4812 4812 4812 4812 Impact to Impact to Expansion Field Recabling Expansion Field Recabling Trnk 4812 Dplxd...
  • Page 40 Site Preparation – continued Table 2-4: SC 4812ET FRU Configurations – Non–Duplexed BTS 1 – Starter BTS 2 – Expansion Ttl # Ttl # Expansion Expansion Con– Con– Expansion Field Expansion Field 4812 4812 4812 4812 Impact to Impact to Trnk 4812 Trnk...
  • Page 41 Site Preparation – continued Table 2-4: SC 4812ET FRU Configurations – Non–Duplexed BTS 1 – Starter BTS 2 – Expansion Ttl # Ttl # Expansion Expansion Con– Con– Expansion Field Expansion Field 4812 4812 4812 4812 Impact to Impact to Trnk 4812 Trnk...

  • Page 42: Minimum Battery Count For Power Cabinet

    Site Preparation – continued Minimum Battery Count for Power Cabinet Table 2-5 lists the number of Battery strings required for the different sector–carrier configurations and the backup power time provide by the various combinations. Table 2-5: Minimum Battery Strings Required for Sector–Carrier Configurations # of 3 Rectifiers 4 Rectifiers...

  • Page 43: Materials Needed

    Materials Needed The following list of materials may vary depending on site specific requirements. If in doubt contact Motorola Cellular Support Center. The phone number is found in the Foreword of this manual. Installation hardware is provided with the cabinets. (Refer to Chapter 1 for a description of this hardware).
  • Page 44 Table 2-6: Heliax Cable Loss and Minimum Bend Radii dB loss per meter dB loss per foot Min. bend radius Heliax Heliax Motorola Part Motorola Part Cable @ 1 GHz @ 2 GHz @ 1 GHz @ 2 GHz Metric U.S.
  • Page 45 300 kc mil. Cabling sizing should be determined by Local Electrical Codes, using 90Deg C rated conductors, and derated for 50 Deg C operation. Motorola recommends not less than #2/0 AWG (#1 BSWG; 50 mm ) copper for...

  • Page 46: Existing Concrete Pad Mounting

    (ground system resistance must be less than 10 Ohms, with 5 Ohms or less being the goal), is required for the lightning protection equipment to perform properly. Refer to Motorola’s guidelines (Motorola Publication 68P81150E62) for details on the design of a grounding system. Conform to local electrical construction standards for conduit materials and sizing.

  • Page 47: Drilling Introduction

    NOTE – Motorola recommended anchor bolts require 18 mm (11/16”) drill size. n WARNING – Always wear safety glasses, dust masks, ear plugs, and proper attire when using power equipment.
  • Page 48 Site Preparation – continued Table 2-8: Drilling Procedure Step Action Position the end of the drill bit in the center of the first mark on the floor. Stabilize the drill by holding the drill handle at the 90_ position, refer to Figure 2-1. Rest the drill against your leg while drilling to counter the drill’s tendency of rotating out of your hand while drilling through reinforcement bars and stone aggregate.

  • Page 49: Rooftop

    Site Preparation – continued Table 2-8: Drilling Procedure Step Action Have a second installer turn on the shop vacuum and place the nozzle near the hole to collect dust and debris (see Figure 2-2). This will extend the life of the drill bit, and give you a better idea of how deep the hole is.

  • Page 50: Rooftop (Elevated)

    (ground system resistance must be less than 10 Ohms, with 5 Ohms or less being the goal) is required for the lightning protection equipment to perform properly. Refer to Motorola’s guidelines (Motorola Publication 68P81150E62) for details on the design of a grounding system. Conform to local electrical construction standards for conduit materials and sizing.

  • Page 51: Connection Materials

    Connection Materials This section defines connection materials and specifications and may vary depending on site–specific requirements. If in doubt, contact Motorola Cellular Support Center (telephone number is found in the Foreword of this manual). Concrete Pad and Ground System Installation The following procedure describes the concrete pad ground system installation.
  • Page 52 Site Preparation – continued Installation Procedure: Install the concrete pad and ground system as described in Table 2-9. Table 2-9: Concrete Pad and Ground System Installation Procedure Step Action Ensure that the pad location is firm and level. If the ground around the location is not firm, compact the soil and construct a level base for the pad using a minimum of six inches of gravel or per local code requirements.
  • Page 53 Site Preparation – continued Grounding Ring: The following information details installation of the site grounding ring. Refer to Figure 2-3 for detail dimensions. Figure 2-3: Grounding Ring Detail GROUNDING RING #3 BSWG GROUND TO CABINET (1 PER CABINET) #3 BSWG 2438 mm (96”) (#2 AWG;35 mm ) SOLID...
  • Page 54 Site Preparation – continued Figure 2-5: Cabinet Dimensions 605 mm (24”) 102 mm (4”) 711 mm (28”) POWER CABINET 365 mm (15”) 1030 mm (41”) 1425 mm 270 mm (56”) (11”) 102 mm 455 mm (4”) (18”) 711 mm RF CABINET (28”) 341 mm (14”)
  • Page 55 Site Preparation – continued Figure 2-6: Pad Forms and Conduit Layout 61 mm –65 mm (2.4”) (–2.5”) 5 mm (0.2”) 16 mm (0.6”) 14 mm 77 mm (0.5”) 87 mm (3”) (3.4”) 475 mm (18.7”) Power Cabinet RF Cabinet 614 mm (24.2”) DC (TO RF DC (TO POWER...
  • Page 56 Site Preparation – continued Figure 2-8: SC 4812ET RF Cabinet Conduit I/O 75 mm 629 mm (3.0”) (24.7”) 650 mm (25.5”) 595 mm (23.4”) 469 mm (18.5”) 211 mm 415 mm (8.3”) (16.3”) 340 mm 139 mm (13.3”) 65 mm (5.4”)

  • Page 57: Rgps Mounting Considerations

    Site Preparation – continued Figure 2-9: SC 4812ET Power Cabinet Conduit I/O 217 mm (8.5”) 82 mm (3.2”) 0 mm (0”) FW00195 49 mm 230 mm 446 mm 546 mm (1.9”) (9”) (17.5”) (21.4”) 0 mm (0”) RGPS Mounting Considerations The RGPS Head requires specific mounting considerations in order to properly observe the GPS satellites.
  • Page 58 Site Preparation – continued – Place the RGPS Head where RF obstructions of the sky are minimized. The “sky” includes everything to within ten degrees (10°) of the horizon in all directions. RF obstructions includes buildings, towers, snow, foliage and debris. –...

  • Page 59: How To Unpack The Sc 4812Et Bts

    ....Figures Figure 3-1: SC 4812ET RF Cabinet ..... .
  • Page 60 2. Unpack the RF Cabinet 3. Unpack the Power Cabinet 4. Inspect the equipment for damage Equipment Identification Use Figure 3-1 and Figure 3-2 to visually identify the SC 4812ET RF and Power Cabinet, respectively. Figure 3-1: SC 4812ET RF Cabinet Apr 2001...
  • Page 61 – continued Figure 3-2: SC 4812ET Power Cabinet Overview The purpose of this section is to describe how the SC 4812ET RF and Power Cabinets are packaged for shipping and how to correctly unpack the cabinets in preparation for installation.
  • Page 62 How to Unpack the SC 4812ET BTS – continued How to Unpack a Cabinet WARNING – The steel bands surrounding the carton can spring out from the carton when the bands are cut. To avoid personal injury, stand safely to the side of the bands while cutting.
  • Page 63 How to Unpack the SC 4812ET BTS – continued Table 3-1:Unpacking a Cabinet (Wood Shipping Crate) Step Action Using appropriate lifting device, remove cabinet from bottom pallet. Immediately inspect the equipment for damage, (see Table 3-3) and report the extent of any damage to the transport company and to the appropriate engineering/management personnel.
  • Page 64 How to Unpack the SC 4812ET BTS – continued Figure 3-3: Shipping Crate (Wood) Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V03.03...
  • Page 65 How to Unpack the SC 4812ET BTS – continued Figure 3-4: Cardboard Shipping Carton Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual V03.03 DRAFT...
  • Page 66 How to Unpack the SC 4812ET BTS – continued How to Inspect for Damage Before installing any equipment, inspect it for damage as described in Table 3-3. Report any damage found to the appropriate supervisory personnel. WARNING – Static sensitive equipment requires the use of ESD protective gear such as a wriststrap to be used during the installation and repair.
  • Page 67 Chapter 4:Cabinet Mounting This section includes... Overview ......... . . Removing the Front Doors (Optional) .

  • Page 68: Cabinet Mounting

    Cabinet Mounting – continued Overview This chapter covers the step–by–step instructions for mounting the RF and Power Cabinet. CAUTION Do NOT lift or move the RF or Power Cabinet by the doors, they will not support this type of loading and may be damaged in the process.
  • Page 69 Tighten the bolts to proper torque recommended by the manufacturer. n WARNING Motorola recommended anchor bolts must be used to assure safety in the event of an earthquake (CGDS97400036). These bolts should be tightened to 80 N–m (60 ft–lbs.).
  • Page 70 Cabinet Mounting – continued Table 4-2: Concrete Pad Mounting Step Action Remove the four (4) eye–bolts (see Figure 4-2) on the top of the cabinet, replace them with the bolts and washers supplied with the installation hardware using a 24 mm (15/16”) hex driver.
  • Page 71 Cabinet Mounting – continued Figure 4-3: Mounting Bolt Configuration CONCRETE PAD ANCHOR BOLT LARGE FLAT WASHER CGDS97400036 MOUNTING BRACKET Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï ISOLATION PAD Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î...
  • Page 72 Cabinet Mounting – continued Table 4-3: Rooftop (Elevated Substructure) Mounting Step Action Fasten mounting brackets (see Figure 4-2) onto cabinet with M12 bolts and washers (supplied in installation hardware). Do NOT torque the bolts yet. ! CAUTION Do NOT use the cabinet doors as a hand hold to move the cabinet around, this could damage the door hinges Place the cabinet on top of the substructure, so that the mounting holes are aligned with the holes in the cabinet mounting...
  • Page 73 Tighten the bolts to proper torque recommended by the manufacturer. n WARNING Motorola recommended anchor bolts must be used to assure safety in the event of an earthquake (CGDS97400036). These bolts should be tightened to 80 N–m (60 ft–lbs.).
  • Page 74 Cabinet Mounting – continued NOTE Batteries and heater pads in the Power Cabinet MUST be installed in the bottom slots of the battery compartments and building up. The first string should be installed in “position 1” (see Figure 4-6), the second in “position 2” and so on, until all batteries are installed.
  • Page 75 Cabinet Mounting – continued Table 4-5: Installing a Battery Heater Pad Step Action n WARNING Ensure battery heater circuit breakers in ACLC are ”OFF” before heater pad installation. Remove the battery mounting bracket (see Figure 4-6) for the appropriate battery slot. If this is the first heater pad installed in the battery cabinet (and therefore located in one of the two bottom battery slots) remove the “Heater Pad Cable Terminating Connector”...
  • Page 76 Cabinet Mounting – continued Installing Batteries in the Power Cabinet Table 4-6 reviews the procedure to install a string of batteries in the Power Cabinet (see Figure 4-5 and Figure 4-6), this procedure should be repeated until all battery strings have been installed. CAUTION Heater pads must be installed and heater pad cables properly dressed behind battery shelves before batteries are...
  • Page 77 Cabinet Mounting – continued NOTE A string of batteries consists of two (2) batteries connected in series. The Power Cabinet can accommodate up to twelve (12) strings of batteries. WARNING – All AC and DC power should be removed from the system until all connections are made.
  • Page 78 Cabinet Mounting – continued Table 4-8: Power Cabinet Battery Cabling Step Action Attach the battery terminal strap from the positive (+) terminal on battery “A” (see Figure 4-6) to the negative (–) terminal on battery “B” using the fastening hardware supplied with the batteries. Torque to the recommended value (per battery manufacturer;...
  • Page 79 Cabinet Mounting – continued Figure 4-7: Partial Cross–Section View of Battery Compartment (to next battery) Batteries Heater Pad Power Cables Front of Power Cabinet Factory Installed Cable Bracket (See Detail) Factory Installed Cable Heater Pads (Under Battery) (from ACLC) Important: After all of the heater pads have been installed and cables connected, dress the cables behind the battery shelves in each battery compartment.
  • Page 80 Cabinet Mounting – continued Notes Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V04.03...

  • Page 81: Cabinet Cabling

    Chapter 5:Cabinet Cabling This section includes... Overview ......... . . Cabinet I/O Area .

  • Page 82: Figure 1-2: Sc 4812Et Rf Cabinet

    ..... . Figure 5-7: SC 4812ET RF Cabinet ..... .

  • Page 83: Overview

    Figure 5-11: AC Load Center Wiring ..... Overview This chapter provides the SC 4812ET RF and Power Cabinet inter-cabinet cabling procedures. Review the Material Before starting to install cables, it is recommended that you become familiar with the equipment and the cable connection locations.

  • Page 84: Cabinet I/O Area

    This will prevent a rapid temperature change to the electronics that could result in a site outage. Cabling Installation Order Motorola recommends the RF and Power Cabinet inter-cabinet cabling be installed in the order shown: 1. RF Cabinet Cabling 1. Earth Ground 2.
  • Page 85 Cabinet Cabling – continued Figure 5-1: SC 4812ET Intercabinet I/O Detail (Rear View) Punch Block Exp. Punch Block Microwave Punch Block RF Expansion RF GPS AC Load Center 1–3 Sector Antennas 27V Ret 27V Ret 2 Sec 4–6 Sector Antennas Tick 19 MHz Clock...

  • Page 86: Figure 1-7: Power Cabinet

    Cabinet Cabling – continued Simplified BTS Cabling Diagram The overall cabling is shown in a simplified diagram Figure 5-3. Each cable is identified with a capital letter followed by a number. The letter refers to the cable label as described in Table 5-1, the number refers to the quantity of cables to be installed.

  • Page 87: Cable Descriptions

    Cabinet Cabling – continued Cable descriptions Table 5-1 lists the RF and Power Cabinet cable description and part numbers. The cable label is used as a reference for all the cabling procedures and diagrams. Table 5-1: BTS Cable Descriptions and Part Numbers Cable Part Number Description...
  • Page 88 Maximum cable size that can be accommodated is 300 kcmil. Cabling sizing should be determined by Local Electrical Codes, using 90°C rated conductors, and derating for 50°C operation. Motorola recommends not less than #2/0 AWG (#1 BSWG; 50 mm ) copper for buried/raceway cables to the power pedestal, with an associated power pedestal breaker size of 150 Amps for one Power Cabinet.
  • Page 89 Cabinet Cabling – continued RF Cabinet Earth Ground The objective of this procedure is to install the RF Cabinet earth ground cabling. Materials needed Table 5-2 lists the quantity and description of the necessary materials. Table 5-2: Materials Required for Earth Ground Cabling Cable Description Ground cable, #3 BSWG (#2–AWG;...

  • Page 90: Rf Cabinet Earth Ground

    Cabinet Cabling – continued Figure 5-4: Antenna Panel Detail (Rear View) Route Ground Cable Through This Slot. RF Cabinet Alarm, Span Line and Modem Cabling The objective of this procedure is to install the RF Cabinet alarm ,span line and modem cabling. WARNING Use only 110 style punch block punch tool to terminate wires at punch block (ref: P/N CGDS237744 or...
  • Page 91 Cabinet Cabling – continued Figure 5-5: 50 Pair Punch Block STRAIN RELIEVE INCOMING CABLE TO BRACKET WITH TIE WRAPS RF Cabinet I/O Area (I/O Boots Not Shown) LEGEND 1T = PAIR 1 – TIP 1R = PAIR 1 –RING ” ”...
  • Page 92 Cabinet Cabling – continued Materials needed Table 5-4 lists the quantity and description of the necessary materials. Table 5-4: Materials Required for Alarm, Span, and Modem Cabling Cable Description T1 Span Line and Modem Cable, #22 or #24 AWG, 26-wire, shielded twisted 13 pair, 100-Ohm, solid wire. E1 Span Line requires 120–Ohm twisted pair lines.
  • Page 93 Cabinet Cabling – continued Figure 5-6: Rubber I/O Boot Detail Cut Here For 1/4” Used for LAN cables Cable (Expansion) Tie Wrap Here For 1/4” Cable Cut Here For 1/2” Cable Tie Wrap Here For 1/2” Cable Cut Here For #2/0 AWG Cable I/O Boot (RF Cabinet Only) Tie Wrap Here For...

  • Page 94: Alarm Signal Specifications

    Cabinet Cabling – continued Alarm Signal Specifications Function ALARM connections provide Customer Defined Alarm Inputs and Outputs. The customer can connect RF Cabinet site alarm input sensors and output devices to the RF Cabinet, thus providing alarm reporting of active sensors as well as controlling output devices. Connections Table 5-6 describes the characteristics and requirements for the inputs (each of which consists of a single 2–wire pair) and outputs (each of...
  • Page 95 Cabinet Cabling – continued Table 5-7: Pin–Out for 50 Pin Punch Block Signal Name Color Signal Name Color Power Cab Control – NC Blue Customer Outputs 4 – NO Power Cab Control – NO Blk/Blue Customer Outputs 4–COM Power Cab Control – Com Yellow Customer Outputs 4 –...

  • Page 96: Rgps Cabling Introduction

    Cabinet Cabling – continued Pin–Out for 50 Pin Punch Block (Continued) XMIT_RING_C GPS_POWER_1+ Blue RVC_TIP_D GPS_POWER_1– Bk/Blue RVC_RING_D GPS_POWER_2+ Yellow XMIT_TIP_D GPS_POWER_2– 43R Bk/Yello XMIT_RING_D GPS_RX+ Green RVC_TIP_E GPS_RX– Bk/Grn RVC_RING_E GPS_TX+ White XMIT_TIP_E GPS_TX– 45R Bk/White XMIT_RING_E Signal Ground (TDR+) RVC_TIP_F Master Frame (TDR–) Bk/Red...
  • Page 97 Cabinet Cabling – continued Table 5-8: Materials Required for RGPS Cabling Cable Description T472AA RGPS Cable and Antenna Package, 50 Ft. Cable* T472AB RGPS Cable and Antenna Package, 125 Ft. Cable** T472AC RGPS Cable and Antenna Package, 250 Ft. Cable** T472AD RGPS Cable and Antenna Package, 500 Ft.

  • Page 98: Punch Block For The Remote Gps (Rgps)

    Cabinet Cabling – continued Installation Procedure Table 5-9 details the step–by–step procedure on installing the RGPS cabling. Table 5-9: RGPS Cable Install Procedure Step Action Route the twisted pair cable through the previously installed conduit to the RF Cabinet I/O area, and to the punch block through the rubber boot in the floor of the I/O area (See Figure 5-6).

  • Page 99: Rf Gps Cabling (If Applicable)

    Cabinet Cabling – continued RF GPS Cabling (if applicable) The objective of this procedure is to install the RF GPS antenna cabling. Materials Needed Table 5-11 lists the quantity and description of the necessary materials. Table 5-11: Materials Required for RF GPS Cabling Cable Part Number Description...

  • Page 100: Lfr Cabling (If Applicable)

    Cabinet Cabling – continued LFR Cabling (if applicable) The objective of this procedure is to install the LFR antenna cabling. Materials Needed Table 5-13 lists the quantity and description of the accessary materials for cabling the LFR. Table 5-13: Materials Required for LFR Cabling Cable Part Number Description...
  • Page 101 Cabinet Cabling – continued Table 5-15: Pin/Signal Information for LFR Cable 5 Pin Cicular Punchblock Description Wire Color Connector Pin Pin Number Calibrator+ White Calibrator– Black (Paired with White) Drain From Shield Bare RF Cabling Introduction This section supports the RF cabling for the following configurations: Table 5-16: BTS Sector/Carrier Configurations Number of Sectors Number of Carriers...
  • Page 102 Cabinet Cabling – continued The antenna connections for a six (6) Duplexed 60° sector configuration are: Table 5-18: Antenna Cables for Duplexed 60 Degree Sector Antenna # RX/TX RX1A/TX1A (Main) RX2A/TX2A (Main) RX3A/TX3A (Main) RX1B/TX1B (Diversity) RX2B/TX2B (Diversity) RX3B/TX3B (Diversity) RX4A/TX4A (Main) RX5A/TX5A (Main) RX6A/TX6A (Main)

  • Page 103: Rf Cabling Main And

    Cabinet Cabling – continued The antenna connections for a three (3) Non–Duplexed 120 degree sector configuration are shown in Table 5-19. Table 5-20: Antenna Cables for Non–Duplexed 60 Degree Sector Antenna # RX/TX RX1A (Main) RX2A (Main) RX3A (Main) RX4A (Main) RX5A (Main) RX6A (Main) RX1B (Diversity)

  • Page 104: Procedure For Rear Installation

    Cabinet Cabling – continued Cable Labels The cable designations in Table 5-21 and Table 5-22 are referenced to Figure 5-7. Figure 5-7: SC 4812ET RF Cabinet RX EXPANSION 1 OUT 2 OUT 3 OUT 1 IN 2 IN 3 IN...

  • Page 105: Procedure For Bottom Installation

    Cabinet Cabling – continued NOTE All antenna RF cabling should be protected with ice bridge. Procedure for Bottom Installation Refer to Figure 5-7 and follow the procedures in Table 5-22 to install the Main RF antenna cable through the bottom of the RF Cabinet. Table 5-22: Procedure to Install the Main RF Cabling through the Bottom of the RF Cabinet Step Action...

  • Page 106: Power Cabinet Earth Ground

    Cabinet Cabling – continued Power Cabinet Earth Ground The objective of this procedure is to install the Power Cabinet earth ground cabling. Materials needed Table 5-23 lists the quantity and description of the necessary materials. Table 5-23: Materials Required for Earth Ground Cabling Cable Description Ground cable, #3 BSWG (#2–AWG;...

  • Page 107: Power Cabinet Alarm Cable

    Cabinet Cabling – continued Figure 5-8: AC I/O Plate Route Ground Cable Through This Slot Power Cabinet Alarm Cable The objective of this procedure is to install the Power Cabinet alarm cabling. This cable runs from the Power Cabinet to the RF Cabinet. It can be run in the 3”...
  • Page 108 Cabinet Cabling – continued Figure 5-9: Power Cabinet Punch Block LEGEND 1T = PAIR 1 – TIP 1R = PAIR 1 –RING ” ” ” ” ” ” SURGE PROTECTORS Power Cabinet I/O Area 1T 1R 2T 2R 11 12 13 14 15 11 12 13...
  • Page 109 Cabinet Cabling – continued Materials needed Table 5-25 lists the quantity and description of the necessary materials. Table 5-25: Materials Required for Power Cabinet Alarm Cabling Cable Description Power Cabinet Alarm/Control Cable (length=12ft.), 12–wire, shielded twisted 6 pair, solid wire. NOTE 3086039H17 If the 12 ft.

  • Page 110: Power Cabinet Alarm Cable Pin/Signal Information

    Cabinet Cabling – continued Power Cabinet Alarm Cable Pin/signal Information See Table 5-27 for complete pin/signal information. Table 5-27: Pin–Out for Power Cabinet Punch Block RF Cabinet Punch Block Signal Wire Color Power Cabinet Punch Pin Location Block Pin Location Control (NO) Blue Control (NC)

  • Page 111: Power Input Connections

    Cabinet Cabling – continued Table 5-28: Wire, Lug, and Die Table Wire Size Color and Die Motorola Part Number Code Welding Circular for Lugs Metric (mm) (Superflex) Mills Area CGDS256306951514 2/0 AWG 60–70 133,400 BLACK 45 CGDS256306951539 3/0 AWG 85–95...
  • Page 112 Cabinet Cabling – continued Procedure WARNING Do NOT wear a wrist strap when servicing the power sup- plies or power distribution cabling. Serious personal injury can result. CAUTION Before starting the procedure, ensure that the Power Cabinet main DC breakers are turned ”OFF”. Follow the procedure in Table 5-29 to install the DC power cables (refer to Figure 5-10 and Figure 5-1).

  • Page 113: Ac Power Cabling

    Cabinet Cabling – continued Table 5-29: Procedure to Install DC Power Cables Step Action Slide one cable grommet over each cable at the connector box. Insert the cable into the barrel of the right angle crimp lug. Crimp the lug to the cable. Repeat steps 8–9 for the remaining power cable(s).

  • Page 114: Ac Load Center

    300 kcmil. Cabling sizing should be determined by Local Electrical Codes, using 90°C rated conductors, and derating for 50°C operation. Motorola recommends not less than 2/0 AWG (#1 BSWG; 50 mm ) copper for buried/raceway cables to the power pedestal, with an associated power pedestal breaker size of 150 Amps for one Power Cabinet.
  • Page 115 Cabinet Cabling – continued Table 5-30: Equipment Required for AC Power Item Description Power cable – Maximum: 300 kcmil. NOTE – This maximum is defined by the size wire that the AC Load Center will accept. – Conduit: Moisture tight type. –...

  • Page 116: Power Cabinet Ac Current Requirements

    Cabinet Cabling – continued WARNING Ground MUST be connected first. Electric shock hazard exists if any other sequence is used. Figure 5-11: International and North American AC Load Center Wiring North American AC Load Center AC to Pilot Beacon NOTE: NOTE: L 1= Line 1 FW00475...

  • Page 117: Heat Dissipation

    Cabinet Cabling – continued Table 5-32: Power Cabinet AC Current Requirements Number of Sector–Carriers Number of Rectifiers Power Cabinet AC Current Ratings 100A (130A Non–Continuous) To obtain this number multiply the number of sectors by the number of carriers (i.e., 6 sector, 2 carrier = 12 sector–carrier).
  • Page 118 Cabinet Cabling – continued Notes Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V04.03...

  • Page 119: What's Next And Cleanup

    Chapter 6: What’s Next and Cleanup This section includes... Introduction ......... Cleanup the Site .
  • Page 120 What’s Next and Cleanup – continued – Check that all FRU modules and doors are closed and latched. – Organize any items (manuals, materials, etc.) left on site and place them in a location specified by the site manager. Fill out Installation Completion Checklist After the site is cleaned up, fill out the installation completion checklist (see Table 6-1) and make any necessary copies.
  • Page 121 What’s Next and Cleanup – continued Table 6-1: Installation Completion Checklist Status Item Notes Power cabinet alarm cable is installed. GPS antenna installed. RGPS antenna cable installed. RF connectors are properly torqued. Power connections are properly torqued. Batteries are installed, and all battery connections are made with copper–based grease and properly torqued.
  • Page 122 What’s Next and Cleanup – continued Optimize the System Optimize the system by following the procedures given in the appropriate optimization manual. Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual V06.03 DRAFT...

  • Page 123: A V0A.03

    Appendix A: Installing RGPS This section includes... Introduction ......... Installation Procedure .
  • Page 124 Installing RGPS – continued Table A-1: Installing the RGPS Step Action Insert the prepared cable into the pipe (see Figure A-1). Connect the RGPS head to the cable. To secure the connection, tighten the spinning connector flange (located on the prepared cable) see Figure A-1. Insert the pipe into the threaded neck on the RGPS head and hand tighten firmly.
  • Page 125 Installing RGPS – continued RGPS Mounting Considerations The RGPS Head requires specific mounting considerations in order to properly observe the GPS satellites. – The mounting pipe for the RGPS Head should be mounted vertically with less than five degrees (5°) of tilt. –...
  • Page 126 Installing RGPS – continued Notes Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V0A.03...

  • Page 127: Cabinet Specifications

    Figure B-3: Mounting Hole Dimensions ....Figure B-4: SC 4812ET RF Cabinet Conduit I/O ...

  • Page 128: Physical Specifications

    300 kcmil. Cable sizing should be determined by Local Electric Codes, using 90 Deg C rated conductors, and derating for 50 Deg C operation. Motorola recommends not less than #2/0 AWG (#1 BSWG; 50 mm...

  • Page 129: Dc Power Specifications

    Cabinet Specifications – continued NOTE AC Power is not present in the SC4812ET RF Cabinet. DC Power Specifications The maximum total voltage drop between the RF and Power Cabinet (as measured at the DC power connector in the I/O area of each cabinet) must be less than or equal to 0.4V.

  • Page 130: Battery Configuration Specifications

    Cabinet Specifications – continued Battery Configuration Specifications Table B-2 shows the minimum number of battery strings required for various system configurations. It is recommended to install the number of batteries required to obtain an estimated 4 hours of backup time for the SC4812ET RF Cabinet.
  • Page 131 Cabinet Specifications – continued Figure B-2: Pad Forms and Conduit Layout 61 mm –65 mm (2.4”) (–2.5”) 5 mm (0.2”) 16 mm (0.6”) 14 mm 77 mm (0.5”) 87 mm (3”) (3.4”) 475 mm (18.7”) Power Cabinet RF Cabinet 614 mm (24.2”) DC (TO RF DC (TO POWER...
  • Page 132 Cabinet Specifications – continued Figure B-4: SC 4812ET RF Cabinet Conduit I/O 75 mm 629 mm (3.0”) (24.7”) 650 mm (25.5”) 595 mm (23.4”) 469 mm (18.5”) 211 mm 415 mm (8.3”) (16.3”) 340 mm 139 mm 65 mm (13.3”) (5.4”)
  • Page 133 Cabinet Specifications – continued Figure B-5: SC 4812ET Power Cabinet Conduit I/O 217 mm (8.5”) 82 mm (3.2”) 0 mm (0”) FW00195 49 mm 230 mm 446 mm 546 mm (1.9”) (9”) (17.5”) (21.4”) 0 mm (0”) Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual V0B.03 DRAFT...

  • Page 134: Circuit Breakers

    Table B-3 is a list of all of the circuit breakers (AC and DC) present in the SC4812ET RF and Power Cabinet. Table B-3: Circuit Breakers Breaker Size Description SC 4812ET RF Cabinet 400A DC Main Breaker 50A DC LPA Breaker (1 per pair of LPA’s)

  • Page 135: Torque Specifications

    Cabinet Specifications – continued Torque Specifications Table B-4 lists the appropriate torques for various fastening hardware used throughout the SC4812ET cabinets. Table B-4: Torque Specifications Fastener Size Head Size Torque Comments 5/8” 24 mm (15/16”) Hex 80 N–m (60 ft–lbs) Sunshade Bolts 19 mm (3/4”) Hex 80 N–m (60 ft–lbs)
  • Page 136 Cabinet Specifications – continued Notes Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V0B.03...

  • Page 137: Introduction To Document

    Appendix C: Installation Quickstart This section includes... Introduction to Document ......Tools and Hardware .

  • Page 138: Tools And Hardware

    Adequate clearance through door and passageways to allow movement of the cabinet. Rooftop installation SC 4812ET RF Cabinet maximum weight = 680 kg. (1500 lbs.) SC 4812ET Power Cabinet maximum weight = 1580 kg. (3500 lbs.) Ensure that all loading & zoning requirements have been approved BTS Mounting holes See Chapter 2 –...

  • Page 139: Rf And Power Cabinet Installation

    Review the roof load carrying limits, and ensure that the appropriate support structure is in place. Install the cabinet per the procedure in Chapter 4 of the manual. If the Motorola supplied mounting bolts are used, they should be tightened to a torque of 80 N–m (60 ft–lbs).

  • Page 140: Battery Heater And Battery Installation

    Attached the two–holed ground lug supplied with the installation hardware to the stripped end of the cable. Use the proper crimp tool (Motorola P/N CGDSSTBM25S or equivalent). Connect the two–holed lug to the cabinet ground studs and secure with the two (2) M6 nuts supplied with the installation hardware.

  • Page 141: Main Rf Cabling

    Installation Quickstart – continued Table C-5: Alarm, Span Line Cabling, and Remote GPS Cable Install Step Action Route the Power Cabinet Alarm Cable from the RF Cabinet to the Power Cabinet (in 3” DC conduit) and through the Power I/O Boot to the Punch Block. Connect the Power Cabinet Alarm cable pairs to each punch block per the pin–callouts in Chapter 5 of this manual.
  • Page 142 Installation Quickstart – continued Table C-6: DC Power Cabling Installation Procedure Step Action Ensure that all three (3) main DC breakers in the Power Cabinet are “OFF.” Route the DC conduit from the I/O area of the Power Cabinet to the I/O area of the RF Cabinet. See Figure 5-1 for suggested location.

  • Page 143: Ac Power Cabling

    300 kcmil. Cable sizing should be determined by Local Electric Codes, using 90 Deg C rated conductors, and derating for 50 Deg C operation. Motorola recommends not less than #2/0 AWG (#1 BSWG; 50 mm...

  • Page 144: Heat Dissipation

    Installation Quickstart – continued Table C-7: AC Power Cabling Procedures Step Action Route the AC power conduit to the rear or bottom (as appropriate) AC I/O panel on the cabinet and terminate conduit. Route the 208–240 VAC power wires from the power meter breaker box, through the AC power conduit, through the I/O boot, to the AC load center.
  • Page 145 Appendix E. The SC 4812ET Power cabinet provides 27 Volts DC power to an associated SC 4812ET RF Cabinet. For sites where the SC 4812ET will be co–located with an SC 614 base station, it can be advantageous for space and other considerations to be able to use the SC 4812ET Power Cabinet as a DC source for both the SC 4812ET and SC 614 BTS.
  • Page 146 Up to 12 battery strings can be provided in the Power Cabinet to support up to four hours of battery backup in a fully equipped SC 4812ET RF cabinet. When connecting an SC 614 BTS to the SC 4812ET Power Cabinet, only four #2/0 AWG superflex (two red and two black) cables are used for the SC 4812ET.
  • Page 147 Due to the reduction in load capacity of the power cabinet, the battery/rectifer configuration and number of sector–carriers that can be supported in the SC 4812ET RF Cabinet are changed compared to the standard SC 4812ET documentation. Table D-1: Battery/Rectifier Configuration...
  • Page 148 Connect BLACK 28V Return cable to the Main Ground Bar using two (2) nuts supplied with the installation hardware. Torque to 5 N–m (45 in–lbs). Install cold shrink tubing (Motorola P/N 3764683A01) onto the RED 28V feed cable (see Figure D-3). * IMPORTANT Cold shrink tubing must cover the compression lug up to the flat portion of the lug (see Figure D-3).
  • Page 149 SC 4812ET/SC 614 BTS DC Power Sharing – continued Table D-3: SC 614 DC Power Cabling Step Action Pull the exposed end of the cold shrink tubing until it begins to unravel. Make sure that the tubing is positioned over the proper location on the lug. Pull the tube until the cold shrink is attached. Loosen the two (2) screws that retain the BBI (Battery Backup Interface) cover (see Figure D-4 for location).
  • Page 150 SC 4812ET/SC 614 BTS DC Power Sharing – continued Figure D-3: Cold Shrinking the compression lug COLD SHRINK TUBING 2910262A12 (SUPPLIED IN INSTALLATION KIT) Figure D-4: Cover installation COVER SCREWS Reinstall Access Panel The objective of this procedure is to reinstall the access panel at the bottom of the SC 614 BTS.
  • Page 151 SC 4812ET/SC 614 BTS DC Power Sharing – continued Table D-4: Reinstall the Access Panel (SC 614) Step Action Loosen the three (3) nuts that hold the I/O cover in place at the bottom of the BTS (see Figure D-5). and reinstall the panel.
  • Page 152 The following details are excerpts from the Chapter 5 of this manual. NOTE Only two of each red and black cables will be connected from the SC 4812ET Power Cabinet to the SC 4812ET RF Cabinet. The remaining connection will be used to power the SC 614 BTS.
  • Page 153 SC 4812ET/SC 614 BTS DC Power Sharing – continued Figure D-6: Connecting Power Cables CABLE LUG COVER GROMMET M10 NUT (17 mm Hex Driver Required) M10 LOCK WASHER M10 FLAT WASHER CRIMP LUG POWER FEED COVER INPUT (Do not remove) STUD ENCLOSURE BASE...
  • Page 154 SC 4812ET/SC 614 BTS DC Power Sharing – continued Table D-6: Procedure to Install DC Power Cables Step Action Ensure that all three (3) main DC breakers in the Power Cabinet are ”OFF.” Route the DC conduit from the I/O area of the Power Cabinet to the I/O area of the RF Cabinet. See Figure 5-1 for suggested location.
  • Page 155 SC 4812ET/SC 614 BTS DC Power Sharing – continued Table D-6: Procedure to Install DC Power Cables Step Action – Place the M10 nut over the stud and on top of the washer. ! CAUTION Exceeding the torque limit may damage the stud. –...
  • Page 156 SC 4812ET/SC 614 BTS DC Power Sharing – continued Notes Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V0D.03...
  • Page 157 Appendix E: SC 4812ET – SC 614/SC 614T Companion Frame Installation This section includes... Scope and Introduction ....... . Tools Needed .
  • Page 158 – SMA torque wrench or 5/16” wrench if not available – Type N torque wrench or 11/16” wrench if not available. Required documents – SC 4812ET RF and Power Cabinet Installation manual (Motorola part number 68P64114A22). – SC 4812ET RF Cabinet Optimization/ATP manuals (Motorola part number 68P64114A23 and 68P64114A42).
  • Page 159 SC 4812ET – SC 614/SC 614T Companion Frame Installation – continued NOTE – For your convenience the BTS is shipped with center punches in each of these locations – Use of a hole saw is NOT recommended due to the variation of the diameter and quality of the resulting hole.
  • Page 160 Care should be taken not to punch extra holes in the side wall of the BTS. Extra holes will compromise the weather sealed nature of the SC 614T BTS Cabinet. Figure E-2: Double–D Hole Punch (Refer to Motorola Part Number #CGDS50748149) SHAFT BEARING PUNCH Ï...

  • Page 161: Installation

    SC 4812ET – SC 614/SC 614T Companion Frame Installation – continued Table E-2: Removing the Duplexers (RX2, RX4 and RX6) from the SC 614 Step Action After removing the three (3) diversity duplexers (RX2, RX4 and RX6), slide the top and bottom brackets back to their original positions and torque the six (6) M6 nuts to 5 N–m (45 in–lbs) Install six Type N bulkhead connectors to the Main Ground Bar (MGB) in the holes for RXa2 IN, RXb2 IN, RXg2 IN, RXa1 OUT, RXb1 OUT, and RXg1 OUT (see Figure E-5).

  • Page 162: Installation

    SC 4812ET – SC 614/SC 614T Companion Frame Installation – continued Figure E-4: Duplexer/Directional Coupler TOP MOUNTING BRACKET BOTTOM MOUNTING BRACKET Figure E-5: Cut–a–way view of SC 614 (from the top looking down on Duplexers) INTERCONNECT AT THE MAIN GROUND BAR SC 614 WITH DUPLEXERS REMOVED RXDC (R1) RXa1 OUT...

  • Page 163: Installation

    SC 4812ET – SC 614/SC 614T Companion Frame Installation – continued Removing the Diversity RXDC (R2) The procedure to physically remove the diversity RXDC from the SC 614 cabinet is described in Table E-3. Table E-3: Removing the Diversity RXDC from the SC 614 n Step Action Unplug the ganged connectors PL1 and PL2 from the Diversity RXDC (R2) in the BTS.

  • Page 164: Installation

    SC 4812ET – SC 614/SC 614T Companion Frame Installation – continued Figure E-7: Location of RXDCs and ERXDCs T–15 TORX SCREWS Installing an ERXDC in the SC 614 The procedure to physically install an RXDC in the SC 614 cabinet is described in Table E-4.

  • Page 165: Installation

    614. Connect the jumper cables from the SC 614T RXa2 IN (RX2), RXb2 IN (RX4), and RXg2 IN (RX6) to the SC 4812ET RF Expansion Ports labelled 1A, 2A, and 3A, respectively. Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual V0E.02...

  • Page 166: Installation

    SC 4812ET – SC 614/SC 614T Companion Frame Installation – continued Cabling the SC 4812ET to the SC 614 The procedure to physically cable the RXDC in the SC 614 is described in Table E-5. Table E-5: Connecting SC 4812ET to SC 614 n Step Action Unplug the ganged connectors PL1 and PL2 from the RXDC (R1).

  • Page 167: Sc 4812Et/Sc 614 Bts Power Sharing

    SC 4812ET – SC 614/SC 614T Companion Frame Installation – continued Figure E-8: Connecting SC 4812ET to SC 614 9186180H01 0983599H01 SC 614T DDC’s SC 614 3009923W04 (9) IN PORTS EXTERNAL OUT PORTS CABLES SC 614 BULKHEAD SC 4812ET 20 Pair EXPANSION Punchblock Board...

  • Page 168: Installation

    SC 4812ET – SC 614/SC 614T Companion Frame Installation – continued Figure E-9: Cabling of SC 4812ET to SC 614 BTS Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì TX3/RX5 TX2/RX3 TX1/RX1...

  • Page 169: Scope And Introduction

    The SC 4812ET Power cabinet provides 27 Volts DC power to an associated SC 4812ET RF Cabinet. For sites where the SC 4812ET will be co–located with an SC 4812ET, it can be advantageous for space and other considerations to be able to use the SC 4812ET Power Cabinet as a DC source for the second RF Cabinet.

  • Page 170: Configuration

    The SC 4812ET Power Cabinet consists of a rectifier system with up to six (6) 27 Volt DC, 70 Amp modules, depending on the number of carriers it is required to support in the SC 4812ET RF Cabinet. Connections to the SC 4812ET are made via six (6) #2/0 AWG superflex (three red and three black) cables, to allow redundancy on the DC connections, and to minimize voltage drop.

  • Page 171: Sc 4812Et To Sc 4812Et Power Sharing

    Due to the reduction in load capacity of the power cabinet, the battery/rectifier configuration and number of sector–carriers that can be supported in the SC 4812ET RF Cabinet are changed compared to the standard SC 4812ET documentation. Table G-1 details the recommended configurations when co–locating two 4812ET RF Cabinets.

  • Page 172: Installation

    SC 4812ET to SC 4812ET DC Power Sharing and Frame Installation – continued Table F-2: Wire, Lug, and Die Table Wire Size Motorola Part Number Color and Die Welding Circular for Lugs Code Metric (mm) (Superflex) Mills Area CGDS256306951514 2/0 AWG 60–70...
  • Page 173 SC 4812ET to SC 4812ET DC Power Sharing and Frame Installation – continued Installation Procedure WARNING Do NOT wear a wrist strap when servicing the power supplies or power distribution cabling. Serious personal injury can result. CAUTION Before starting the procedure, ensure that the Power Cabinet main DC breakers are turned ”OFF”.
  • Page 174 SC 4812ET to SC 4812ET DC Power Sharing and Frame Installation – continued Table F-3: Procedure to Install DC Power Cables Step Action Insert the cable into the barrel of the right angle crimp lug. Crimp the lug to the cable. Repeat steps 8–9 for the remaining power cable(s).

  • Page 175: Cabling Sc 4812Et Rf Cabinet To Sc 4812Et Rf Cabinet

    SC 4812ET to SC 4812ET DC Power Sharing and Frame Installation – continued Cabling SC 4812ET RF Cabinet to SC 4812ET RF Cabinet The objective of this procedure is to interconnect the cables between two SC 4812ET RF cabinets. CAUTION Before starting the procedure, ensure that the Power Cabinet main DC breakers are turned “OFF”.
  • Page 176 SC 4812ET to SC 4812ET DC Power Sharing and Frame Installation – continued Notes Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V0F.02...

  • Page 177: Sc 4812Et - Sc 4812Et Companion Frame Installation

    ........Installing an EMPC in a SC 4812ET RF Starter Frame .
  • Page 178 The procedure to physically connect the cables between the SC 4812ET RF starter frame to SC 4812ET RF companion frame is shown in Table G-2 Table G-2: Connecting an SC 4812ET RF Starter Frame to an SC 4812ET RF Companion Frame Step Action Connect T1 line to each 24–position modem connector located in the DC I/O area of each RF cabinet.
  • Page 179 SC 4812ET – SC 4812ET Companion Frame Installation – continued Figure G-1: RX Expansion Cabling of SC 4812ET to SC 4812ET BTS RX EXPANSION Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì...
  • Page 180 SC 4812ET – SC 4812ET Companion Frame Installation – continued Notes Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V0G.01...

  • Page 181: Installing Rf Gps

    Appendix H: Installing RF GPS This section includes... Introduction ......... Installation Procedure .
  • Page 182 Installing RF GPS – continued Installation Procedure Table H-1 lists the step of installing the RF GPS system. Table H-1: Installing the RF GPS Step Action Determine the mounting location (see RF GPS Mounting Considerations in this chapter). Install the mounting kit at the RF GPS location of choice. Use the appropriate mounting bolts for mounting surface.
  • Page 183 Installing RF GPS – continued Figure H-1: GPS Installation and Parts 4” NOTE: 1. TOTAL WEIGHT FOR GPS ANTENNA 3/4” ASSEMBLY – 0.65 LBS. ANTENNA/PREAMP (CGDSANT62301) RUBBER BOOT CABLE ASSEMBLY (CGDSANT62301) (N–DSK) (12” LONG) (CGDSMCXNJACK) MOUNTING SHROUD (CGDSMNT62311) 1/2” SCREWS OUTER GASKET (CGDSMNT62311) 3”...
  • Page 184 Installing RF GPS – continued RF GPS Mounting Considerations The RF GPS Head requires specific mounting considerations in order to properly observe the GPS satellites. Table H-2: Mounting Considerations Consideration The mounting pipe for the RF GSP Head should be mounted vertically with less than five (5) degrees of tilt.
  • Page 185 The user is responsible for this certification on any unit other than the Motorola supplied CSU. The following is a list of minimum CSU requirements listed for both North American and International installations.
  • Page 186 Part 68 compliance on any chosen unit must be tested as part of the whole system, including cabling and punch block external interface. The user is responsible for this certification on any unit other than the Motorola supplied CSU. Regulatory – Domestic USA: –...
  • Page 187 Minimum CSU Requirements for SC 4812ET BTS – continued Network Interface: – Line Impedance: 120 Ohms (75 Ohms may require external adapter) – Compliance: Per ITU–T G.703 Regulatory – International: Safety: For a CSU external to the SC 4812ET, the requirement is to be an certified CSU, with testing performance by a National Certification Body (NCB) participating in the CB scheme under IEC60950.
  • Page 188 Minimum CSU Requirements for SC 4812ET BTS – continued Table I-3: Power Connector Pin# Circuit Name Ground –V Apr 2001 4812ET RF and Power Cabinet Hardware Installation Manual DRAFT V0I.01...

  • Page 189: Index

    Index Numbers Battery Mounting, 65 Battery strings, 33 110 style punch block, 81, 96 battery strings, 68 208–265 VAC, 36 Battery Strings Required – Minimun, 33 208/240 VAC power cables, 102 BBX–1, 24 breaker size, 103 BTS Cabinet, 24 BTS Cable Descriptions and Part Numbers, 78 A/C load center/breaker panel, 102 BTS transmit and receive path cabling , 93 AC Current Requirements, 105...
  • Page 190 Index – continued Concrete Mounting – Existing Pad, 61 External alarm connector characteristics and requirements, concrete pad, 42 External FRUs, 20 Concrete Pad and Ground System Installation, 42 eye–bolts, 62 Concrete pad and ground system installation, 43 Conduit Stub Height Detail, 44 conduit/cable entrance layout, 41 connect the DC battery backup, 99, 140, 159 flush, 37...
  • Page 191 40 minimum bend radius, 41 Punch Block, 82, 84, 97 minimum clearances, 30, 34 Minimum Site Clearances, 28 Motorola Advanced Wideband Interface MAWI, 21 Motorolas guidelines, 41 rainwater, 42 Mounting Bolt Configuration, 63 Re–install Access Panel, 138 mounting brackets, 61...
  • Page 192 Index – continued Report any damage, 58 Static sensitive equipment, 58, 75 Required documents, 13, 14, 17, 18 submersion, 31, 34, 40 RF Cabinet Alarm Cable Connection, 36 surges, 103, 131 RF Cabinet Span and Modem Cable Connection, 36 RF GPS Cable, 36 RF I/O area, 94 Telco Interface Board TIB, 26 RF I/O Plate, 93...

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