Page 3
In addition, be sure that you are familiar with the terms and conditions of the • Lenovo warranty for your server / hardware, which can be found at: https://support.lenovo.com/warrantylookup/warrantypolicy Check the warranty and maintenance agreement status for your server / •...
Contents Contents Safety................iii Chapter 4 Safety statements...............v Using the On-Screen Display Interface......16 Important................v OSD Layout..............16 Guidelines for trained service technicians.....xii Login Screen...............16 Inspecting for unsafe conditions........xii Selection Menu.............17 Guidelines for servicing electrical equipment...xiii 2nd-tier Selection Menu..........18 Safety statements............xiv Channel ID..............19 Important...............xiv Generic channel ID..........19 Rack Safety Information, Statement 3.......xxi...
Page 6
Contents Chapter 5 Passive DVI to VGA converter........38 Setting up a Two-Tier System..........32 Overview................32 Appendix A Specifcatiinn........39 Establishing a Two-Tier System........33 Step (a): Connect 2nd-Tier Switches to the Base Appendix B Frequently anked quentiinn....41 Switch................33 Step (b): Connect a Keyboard, Mouse, Monitor and Appendix C Getting help and technical annintance..43 Audio Device..............34 Before you call..............43...
Safety Safety These are the standard Safety instructions. Before installing this product, read the Safety Information. بل قرريب هذا الملنتج يجب قراءة الملحاظات المانيه Antes de instalar este produto, leia as Informações de Segurança. Prije instalacije ovog produkta obavezno pročitajte Sigurnosne Upute. Pčed instalací...
Page 8
Safety Les sikkerhetsinformasjonen (Safety Information) før du installerer dette produktet. Przed zainstalowaniem tego produktu, należy zapoznać się z książką "Informacje dotyczące bezpieczeństwa" (Safety Information). Antes de instalar este produto, leia as Informações sobre Segurança. Pred inštaláciou tohto zariadenia si pečítaje Bezpečnostné predpisy. Pred namestitvijo tega proizvoda preberite Varnostne informacije.
Safety Safety statements These statements provide the caution and danger information that is used in this documentation. Important: Each caution and danger statement in this documentation is labelled with a number. This number is used to cross reference an English-language caution or danger statement with translated versions of the caution or danger statement in the Safety Information document.
Page 10
Safety Statement 1 Electrical current frim piwer, telephine, and cimmunicatiin cablen in hazardiun. Ti aviid a nhick hazard: Di nit cinnect ir dincinnect any cablen ir perfirm inntallatiin, maintenance, ir • recinfguratiin if thin priduct during an electrical ntirm. Cinnect all piwer cirdn ti a priperly wired and griunded electrical iutlet. •...
Page 11
Safety Statement 2 CAUTION: When replacing the lithium battery, une inly Part Number 33F8354 ir an equivalent type battery recimmended by the manufacturer. If yiur nyntem han a midule cintaining a lithium battery, replace it inly with the name midule type made by the name manufacturer.
Page 12
Safety Statement 3 CAUTION: When laner priductn (nuch an CD-ROMn, DVD driven, fbre iptic devicen, ir trannmittern) are inntalled, nite the filliwing: Di nit remive the civern. Remiving the civern if the laner priduct • ciuld renult in expinure ti hazardiun laner radiatiin. There are ni nerviceable partn innide the device.
Page 13
Safety Statement 4 CAUTION: Une nafe practicen when lifting. ≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb) Statement 5 CAUTION: The piwer cintril buttin in the device and the piwer nwitch in the piwer nupply di nit turn iff the electrical current nupplied ti the device.
Page 14
Safety Statement 8 CAUTION: Never remive the civer in a piwer nupply ir any part that han the filliwing label attached. Hazardiun viltage, current, and energy leveln are prenent innide any cimpinent that han thin label attached. There are ni nerviceable partn innide thene cimpinentn. If yiu nunpect a priblem with ine if thene partn, cintact a nervice technician.
Page 15
Safety Statement 27 CAUTION: Hazardiun miving partn are nearby. Rack Safety Information, Statement 2 Alwayn liwer the levelling padn in the rack cabinet. • Alwayn inntall ntabilizer bracketn in the rack cabinet. • Alwayn inntall nervern and iptiinal devicen ntarting frim the bittim if the rack •...
This section contains information for trained service technicians. Inspecting for unsafe conditions Use this information to help you identify potential unsafe conditions in a Lenovo product that you are working on. Each Lenovo product, as it was designed and manufactured, has required safety items to protect users and service technicians from injury.
Safety Guidelines for servicing electrical equipment Observe these guidelines when you service electrical equipment. Check the area for electrical hazards such as moist foors, non-grounded power • extension cords, and missing safety grounds. Use only approved tools and test equipment. Some hand tools have handles that are •...
Safety Safety statements These statements provide the caution and danger information that is used in this documentation. Important: Each caution and danger statement in this documentation is labelled with a number. This number is used to cross reference an English-language caution or danger statement with translated versions of the caution or danger statement in the Safety Information document.
Page 19
Safety L001 DANGER Hazardiun viltage, current, ir energy leveln are prenent innide any cimpinent that han thin label attached. Di nit ipen any civer ir barrier that cintainn thin label. There are ni nerviceable partn innide thene cimpinentn. If yiu nunpect a priblem with ine if thene partn, cintact a nervice technician.
Page 20
Safety D005 DANGER When wirking in ir ariund the nyntem, ibnerve the filliwing precautiinn: Electrical viltage and current frim piwer, telephine, and cimmunicatiin cablen are hazardiun. Ti aviid a nhick hazard: If Lenivi nupplied a piwer cird(n), cinnect piwer ti thin unit inly with the Lenivi- •...
Page 21
Safety C004 CAUTION: Lead-acid batterien can prenent a rink if electrical burn frim high, nhirt-circuit current. Aviid battery cintact with metal materialn; remive watchen, ringn, ir ither metal ibjectn, and une tiiln with innulated handlen. Ti aviid pinnible expliniin, di nit burn. Exchange inly with the Lenivi apprived part.
Page 22
Safety C009 CAUTION: 18 kg (39.7 lb) – 32 kg (70.5 lb) The weight if thin part ir unit in between 18 and 32 kg (39.7 and 70.5 lb). It taken twi perninn ti nafely lift thin part ir unit. (C009) CAUTION: 32 kg (70.5 lb) –...
Page 23
Safety CAUTION: ≥ 55 kg (121.2 lb) The weight if thin part ir unit in mire than 55 kg (121.2 lb). It taken npecially trained perninn, a lifting device, ir bith ti nafely lift thin part ir unit. (C011) C022 CAUTION: Thin priduct might be equipped with a hard-wired piwer cable.
Page 24
Safety R001 Impirtant: The following general safety information should be used for all rack-mounted devices: DANGER ThinkSystem Analog 1x8 KVM Switch User Guide...
Safety CAUTION: Di nit inntall a unit in a rack where the internal rack ambient temperaturen will • exceed the manufacturer’n recimmended ambient temperature fir all yiur rack- miunted devicen. Di nit inntall a unit in a rack where the air fiw in cimprimined. Ennure that air fiw •...
Safety Output power and ampere ratings Impirtant: Make nure that the piwer receptacle in near the equipment and in eanily accennible ni that the uninterruptible piwer nupply (UPS) can be dincinnected quickly. To reduce the risk of fre, connect only to a circuit provided with branch circuit over-current protection with an ampere rating in accordance with the National Electrical Code (NEC), ANSI/NFPA 70 or your local electrical code.
Safety Product Safety The UPS connection instructions and operations described in the manual must be • followed in the indicated order. Impirtant: To reduce the risk of fre, the unit connects only to a circuit provided with • branch circuit over-current protection as described in this manual, in accordance with the National Electric Code, ANSI/NFPA 70.
Chapter 1 Introduction Chapter 1 Introduction Thank you for purchasing Lenovo's ThinkSystem Analog 1x8 KVM Switch (model 1754-A1T or SM27A17643). 1754-A1T switch is the most user-friendly 1U KVM switch for accessing 8 servers. If establishing a two-tier 1754-A1T KVM system, you can even access a maximum of 64 servers.
Chapter 2 ThinkSystem Analog 1x8 KVM Switch Chapter 2 ThinkSystem Analog 1x8 KVM Switch A ThinkSystem Analog 1x8 KVM Switch is a KVM (keyboard/video/mouse) switch that enables you to control multiple servers from a single set of keyboard, mouse, and monitor. The model name is SM27A17643 or generally 1754-A1T.
Chapter 2 ThinkSystem Analog 1x8 KVM Switch Support the Scan function, which can cycle through either all channels or “active” • channels only, and therefore update the channel status Note: For the defnition of an "active" channel, see Active and Inactive Channels page Password protection prevents unauthorized access to 1754-A1T switches and servers •...
Chapter 2 ThinkSystem Analog 1x8 KVM Switch Structure Diagrams This section provides a brief introduction to the components on the front and rear sides of the 1754-A1T switch. Front View 1 Power LED Turn on after powering on the 1754-A1T switch. 2 Channel LEDs Turned off for "inactive"...
Chapter 2 ThinkSystem Analog 1x8 KVM Switch Rear View Power socket: Connect the power cord. Power socket and power switch Power switch: Turn the power on or off. 'Console' 1 connectors Connect the data input/output devices. For details, refer to a, b 2 and c listed below.
Chapter 2 ThinkSystem Analog 1x8 KVM Switch ThinkSystem USB Conversion Cables for Analog KVM (SC17A30048) One ThinkSystem USB Conversion Cable for Analog KVM, order p/n 4X97A11106, cable is a combination of Computer Interface Module (CIM) and standard network patch cable. Each ThinkSystem USB Conversion Cable for Analog KVM cable comes with an HD15 VGA connector, a USB connector and an analog audio connector.
Chapter 2 ThinkSystem Analog 1x8 KVM Switch Attaching the cable-support bar 1. Insert either end of the cable-support bar into one of the L-shaped holes on a rackmount bracket. 2. Align the bar's threaded hole with the threaded hole at the end of the rackmount bracket.
Chapter 3 Installation Chapter 3 Installation This section provides instructions on setting up a basic 1754-A1T KVM system and accessing connected servers. For instructions on rack-mounting each product, see Rackmount Procedure page 6 The steps for setting up a basic system include: Connect servers to the 1754-A1T switch.
Chapter 3 Installation Step A: Connect the Keyboard/Mouse/Monitor 1. Turn OFF all devices, including the 1754-A1T switch and servers. 2. Connect a keyboard, mouse and monitor to the 'Console' connectors on the 1754-A1T switch. If using a VGA monitor the active ThinkSystem VGA to DVI Conversion Cable, order part number 4X97A11108, is required.
ThinkSystem USB conversion cables for Analog KVM. Lenovo offers an active ThinkSystem VGA to DVI Conversion Cable, order part number 4X97A11108.
Page 38
Chapter 3 Installation 3. Repeat the above steps to connect more servers. 4. Power on all devices as follows: Turn on all attached computers The 1754-A1T KVM switch as last device to be turned on ThinkSystem Analog 1x8 KVM Switch User Guide...
Lenovo 1U 18.5-inch Standard Media Console, 1723-8BX, the active ThinkSystem VGA to DVI Conversion Cable part number 4X97A11108 must be used. Important! In order to avoid any display problems on VGA monitor such as the Lenovo 1U 18.5-inch Standard Media Console, 1723-8BX, the power cable of the active ThinkSystem VGA to DVI Conversion Cable part number 4X97A11108 must be connected.
1. Type the default user credentials and press Enter. User credentials are case sensitive. User Name: admin Default Password: lenovo 2. The Selection Menu displays, indicating the login is successful. To select a channel, see Using the Channel Selection Menu...
Chapter 3 Installation Accessing a Server After login, you can select any channel to view and/or control the connected server. There are two methods for channel selection. Selection Menu of the On-Screen Display (OSD) • Hot keys • Using the Channel Selection Menu You must use the OSD hot key to trigger the OSD.
Chapter 3 Installation Using Hot Keys You can switch between channels without triggering the OSD. The default hot key for the frst procedure below is 'Scroll Lock', but you can change the hot key. See System Settings page 2 4 The hot keys for the second procedure is NOT confgurable.
Chapter 4 Using the On-Screen Display Interface Chapter 4 Using the On-Screen Display Interface The On-Screen Display (OSD) interface offers these functions: Channel selection • System confguration • Channel scan • OSD Layout This section explains the main elements displayed on the OSD images. Login Screen Device ID The name of the 1754-A1T KVM switch displayed as...
Chapter 4 Using the On-Screen Display Interface Selection Menu In addition to the OSD menu's main layout, the Selection Menu provides additional elements, which are helpful for locating and selecting channels. Model name The 1754-A1T KVM switch model name - SM27A17643 Selected channel The number of the channel that is being accessed.
Chapter 4 Using the On-Screen Display Interface 2nd-tier Selection Menu After selecting any channel with a 2nd-tier 1754-A1T KVM switch connected, the Selection Menu of that switch appears. Base switch's model name Your 1st-tier SM27A17643 switch's model name. 1st-tier channel The number of the 1st-tier channel where the 2nd-tier SM27A17643 switch is connected.
Chapter 4 Using the On-Screen Display Interface Channel ID Whenever you access a channel, a channel ID is displayed onscreen. By default, it displays for only 5 seconds. To extend the display time, see System Settings page If you turn on the channel scan function, the channel IDs are also displayed to indicate the channel that is being scanned.
Chapter 4 Using the On-Screen Display Interface Specifying Channel Names Default channel names for active channels are 'PC'. You have to assign unique channel names to identify each connected server. Note that channel names are stored on each cable connected to the 1754-A1T. Therefore, you can only rename an "active"...
The product provides one administrator and 127 user accounts. Administrator account: • Default name: admin Default password: lenovo User accounts: • Default names: user001 through user127 Default passwords are NOT available. You CANNOT remove the built-in administrator and user accounts, but you can change their passwords or rename any user accounts.
Chapter 4 Using the On-Screen Display Interface 3. On the SETUP page, press F5. The User Confguration page displays. 4. Press to select the desired user. Press Page Up or Page Down if the desired user is not shown on the current page. 5.
Chapter 4 Using the On-Screen Display Interface Renaming a user account and / or change the account password 1. To rename it, type the new name in the User Name feld, and press Enter. The name can comprise up to 16 characters. ...
Chapter 4 Using the On-Screen Display Interface System Settings You can adjust the 1754-A1T KVM system settings, such as changing the hot key or scan rate. Only the administrator has the permission to change system settings. Changing system settings 1. Log in as the KVM administrator. For details, see Login page 1 3 2.
Chapter 4 Using the On-Screen Display Interface Available Settings and Options This section describes the functions and options of each item on the SETUP page. See System Settings page Field Options/values Function Scan Mode All, or PC ON This determines which servers will be scanned after activating the channel scan function.
Chapter 4 Using the On-Screen Display Interface Adjusting the OSD Position You can adjust the on-screen position of the main OSD or the channel ID. Only the administrator can change the OSD position. Adjusting the OSD position 1. Log in as the KVM administrator. For details, see Login page 2.
Page 54
Chapter 4 Using the On-Screen Display Interface 4. Press to enter the position-moving mode, which is indicated by the presence of either diagram shown below: Menu: ID: 5. Now move it to the position you prefer by pressing the arrow keys. 6.
Chapter 4 Using the On-Screen Display Interface Channel Scan You can turn on the Scan function to have the 1754-A1T KVM switch automatically display the video of every channel one by one on the screen. If the system scans a channel port where a 2nd-tier switch is connected, it will scan all channels of the 2nd-tier switch frst before proceeding with the next channels on the base switch.
Chapter 4 Using the On-Screen Display Interface Video Adjustment You can adjust the following video properties of the channel that is being accessed. Brightness • Contrast • Adjusting a video channel 1. Select the desired channel to have its video shown on the screen. See Accessing a Server page 2.
Chapter 4 Using the On-Screen Display Interface Viewing Firmware Version You can check the current versions of OSD and USB driver implemented on the 1754-A1T K VM switch. Viewing the current frmware version 1. If the OSD is not displayed, press the hot key 3 times. ...
Chapter 4 Using the On-Screen Display Interface More Channel Information Active and inactive channels are determined with the power status of the connected ThinkSystem USB conversion cables for Analog KVM cable. The default colour of an active channel is green. Active and Inactive Channels An active channel shows its channel name, while an inactive channel does not show any channel name.
Chapter 5 Setting up a Two-Tier System Chapter 5 Setting up a Two-Tier System You can connect multiple SM27A17643 KVM switches to organize a two-tier system, expanding the number of available channels. The number of connected servers can be expanded up to 64. Overview To organize a "two-tier"...
Chapter 5 Setting up a Two-Tier System Establishing a Two-Tier System The following steps need to be completed: STEP (a): Connect the 2nd-tier switch(es) to the base switch • STEP (b): Connect the keyboard, mouse, monitor and audio devices to the base switch •...
Chapter 5 Setting up a Two-Tier System 3. Repeat the above step to connect more 2nd-tier switches to the base switch. 4. Turn on all "2nd-tier" switches. 5. Turn on the base switch. Important: Turn on 2nd-tier switches prior to the base switch so that the base switch downloads up-to-date channel data from the 2nd tier.
Chapter 5 Setting up a Two-Tier System Step (c): Connect Servers You can connect servers to any channel ports in the two-tier system, including those on the base and second-tier switches. Note: In the above image the server can either be connected to the base or the tiered switch but NOT to both at the same time.
Chapter 5 Setting up a Two-Tier System Accessing or Exiting 2nd-Tier Channels The only method to access the 2nd-tier channels is the OSD's Selection Menu. To return to the base switch's channels, you also have to operate the Selection Menu. Accessing the 2nd-tier channels 1.
Chapter 6 Part Number Overview Chapter 6 Part Number Overview Order part numbers 1754-A1T KVM Order part number - 1754A1T or FC 1754-HC5 B38H or 4M27A11781 Active ThinkSystem VGA to DVI Conversion Cable Order part number – 4X97A11108, includes power cable ThinkSystem USB Conversion Cable for Analog KVM Order part number - 4X97A11106 ThinkSystem Analog 1x8 KVM Switch User Guide...
Lenovo states on-site support then the assistance of a technician, that is an SSR (System Service Representative), can be requested free of charge. If there is no on-site service contract in place with Lenovo then the assistance of an SSR can be requested. This on-site request has to be paid for by the customer.
Appendix B Frequently asked questions What is ThinkSystem Analog 1x8 KVM Switch? Lenovo’s ThinkSystem Analog 1x8 KVM Switch (1754-A1T, SM27A17643) consolidates access and control of multiple servers with a single console. It features KVM ports for 8 servers and can be cascaded two levels to support up to 64 connections at distances up to 13 feet (4 meters).
Page 69
Appendix B Frequently asked questions What to do when I forget the administrator password? Call Lenovo support or contact your local dealer for replacement. You will be charged for the replacement KVM switch. What is my Lenovo support phone number? For a list of Lenovo support phone numbers visit https://datacentersupport.lenovo.com/supportphonelist...
Appendix C Getting help and technical assistance Appendix C Getting help and technical assistance If you need help, service, or technical assistance or just want more information about Lenovo products, you will fnd a wide variety of sources available from Lenovo to assist you.
Page 71
Check for updated software, frmware, and operating-system device drivers for your • Lenovo product. The Lenovo Warranty terms and conditions state that you, the owner of the Lenovo product, are responsible for maintaining and updating all software and frmware for the product (unless it is covered by an additional maintenance contract).
Appendix C Getting help and technical assistance Gathering information needed to call Support If you require warranty service for your Lenovo product, the service technicians will be able to assist you more effciently if you prepare the appropriate information before you call. You can also go to http://datacentersupport.lenovo.com/warrantylookup...
Appendix C Getting help and technical assistance Collecting service data To clearly identify the root cause of a server issue or at the request of Lenovo Support, you might need collect service data that can be used for further analysis. Service data includes information such as event logs and hardware inventory.
Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
Lenovo or IBM machine) and other software updates in a timely manner from a Lenovo or IBM Internet Web site or from other electronic media, and following the instructions that Lenovo or IBM provides. You may request Lenovo or IBM to install Machine Code changes;...
Appendix E Notices Trademarks Lenovo, the Lenovo logo, and "For Those Who Do" are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. These and other Lenovo trademarked terms are marked on their frst occurrence in this information with the appropriate symbol (® or ™), indicating US registered or common law trademarks owned by Lenovo at the time this...
Appendix E Notices Printing this document This document has been created in the paper format DIN A4. The paper size is normed by the Deutsche Institut für Normung e. V. in norm DIN 476 and in International Standard ISO 216. The below illustration shows the difference of a DIN A4 sheet versus a US Letter sheet and the associated sizes in millimetres and inches.
Appendix E Notices Fonts used in this document This document has been written using various Open Source or free fonts. The fonts for this document were chosen in order to allow anybody to read this document as easy as possible. The following people have helped: Sharon Duncan Helped with chosing the right standard fonts and Dyslexia Scotland...
Index This Index contains hyperlinks to the first entry on each referenced page! Note: A page number in bold italic indicates the main occurence of that reference. Index Accessing a Server..........14, 29 Login......13, 14, 15, 16, 21, 24, 25, 26, 30 Accessing or Exiting 2nd-Tier Channels.....36 Login screen........13, 15, 16, 25, 26 30 Active and Inactive Channels....3, 4, 14, 25, 31...