Black Box ServManager SW995A-R2 Manual
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Black Box ServManager SW995A-R2 Manual

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SUPPORT
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INFORMATION
Web site: www.blackbox.com • E-mail: info@blackbox.com
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SW995A-R2
SW995AE-R2
SW996A-R2
SW996AE-R2
SW997A-R2
SW997AE-R2
SW998A-R2
SW998AE-R2
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  • Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX SUPPORT FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 INFORMATION Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 FCC /IC STATEMENTS FEDERAL COMMUNICATIONS COMMISSION INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio communication.
  • Page 3 SERVMANAGERS NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
  • Page 4 NOM STATEMENT 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos, poniendo particular atención a los contactos y receptáculos donde salen del aparato.

  • Page 5: Table Of Contents

    5.1 Diagnostic Information ..............69 5.2 Restoring Factory-Default Settings ........... 70 5.3 Common Problems ................71 5.4 Calling Black Box ................77 5.5 Shipping and Packaging ..............77 Appendix A: NVRAM Factory Defaults ............78 Appendix B: Product Codes for Cables ............80 Appendix C: Error Messages ................

  • Page 6: Specifications

    CHAPTER 1: Specifications 1. Specifications Compliance — FCC Class A, DOC Class/MDC classe A Standards — With original Serv cabling: VGA (color or monochrome/ page white) video; With original Serv cabling (minimal) or coaxial cabling (recommended): SVGA video; With coaxial cabling: XGA (color or monochrome), Macintosh, or Sun video Interfaces —...
  • Page 7 SERVMANAGERS Max. Distance (cont’d) — Also, 50 ft. (15.2 m) of serial cable from any ServManager’s RS-232 port to a non-local computer User Controls — Keyboard commands; Front-mounted ON/OFF pushbutton; Front-mounted 16-key keypad; On-screen menu (with optional overlay board SW720C-R3 only) Indicators —...
  • Page 8 CHAPTER 1: Specifications Maximum Altitude — 10,000 ft. (3048 m) Temperature Tolerance — 32 to 131˚ F (0 to 55˚ C) Humidity 10 to 90% noncondensing Tolerance — Enclosure — Steel Power — For 120-VAC, 60-Hz operation: From wallmount power supply PS018: Optimal input: 117 VAC, 60 Hz, 400 mA;...

  • Page 9: Introduction

    2.1 The Complete Package Your ServManager package includes the ServManager unit, its power supply, and this manual. If you didn’t receive everything, or if anything arrived damaged, contact Black Box. 2.2 Operating Features Some of the useful features of your ServManager: •...
  • Page 10 • Custom settings for each CPU can be saved in nonvolatile memory. • Flash memory allows updating firmware through serial port. • Optional daughterboard (our product code SW720C-R3) adds an on- screen menu. Call Black Box for details. • Rackmount kits are also available.

  • Page 11: The Front Panel

    SERVMANAGERS 2.3 The Front Panel The ServManager’s front panel features one pushbutton switch, several LED indicators, a touch-activated keypad, and a vacuum-fluorescent display. To familiarize yourself with these controls and indicators, refer to Figure 2-1 below and the descriptions that follow. MENU SELECT POWER SELECT POWER...
  • Page 12 CHAPTER 2: Introduction DISPLAY During normal operation, this two-line by twenty-character vacuum-fluorescent display shows the name and number of the currently selected CPU on the first line and the CPU’s power status on the second line. When you access the MENU function on the keypad, other information will be displayed.

  • Page 13: The Rear Panel

    SERVMANAGERS 2.4 The Rear Panel All cable connections are made at the ServManager’s rear panel, as illustrated (in Figure 2-2) and described below. CPU 15 CPU 16 CPU 13 CPU 14 CPU 11 CPU 12 CPU 9 CPU 10 CPU 7 CPU 8 CPU 5 CPU 6...
  • Page 14 CHAPTER 2: Introduction Panel Label Connector Description CPU N DB25 F For each submaster you plan to connect, you must have an Expansion Cable; you must have (continued) an Adapter Cable for each CPU you plan to connect. See Section 2.5. NOTE All models share the same chassis, which has 16 CPU N connector slots.

  • Page 15: Cable Requirements

    See Appendix B and the first Caution notice on page 19. To share a 9515, 9517, or 9518 monitor, you will need special cabling. Call Black Box for technical support; we can give you a quote on these types of cable.

  • Page 16: Installation

    CHAPTER 3: Installation 3. Installation 3.1 Quick Setup Guide Figure 3-1, below, shows a basic example of connecting a CPU, a submaster, a keyboard, a monitor, and a mouse to a ServManager unit. IBM PC equipment is shown, but the basic principles will be similar for all equipment types.

  • Page 17: Installation Procedure

    Rackmounting Kit (our product code SW728). The ServManager is pre-drilled to accept the Kit’s rackmounting screws. If you want to mount the ServManager in a 23" or 24" rack, call Black Box Technical Support for a special quote on a 23" or 24" Kit.
  • Page 18 CHAPTER 3: Installation 3.2.3 C ONNECTING CPU Adapter Cables run from the ServManager to the keyboard port, mouse port, and video-output port of each CPU you want to directly attach to it. Different types of this cable fit the connectors on different computers (see Appendix B).
  • Page 19 ServManagers (see Section 3.3), connect one master to each Switch’s MONITOR/KEYBOARD/MOUSE A port and the other master to each Switch’s MONITOR/KEYBOARD/MOUSE B port. Before installing an advanced configuration, please call Black Box and discuss your application with a technician. NOTE Because ServManagers don’t have bus-mouse ports and can’t carry the...
  • Page 20 CHAPTER 3: Installation Press the MENU key to access the configuration menu. A configuration option will appear; the order in which options appear will depend on the revision level of the unit’s firmware. Press the up-arrow to cycle through the available options. When you reach the Max Ports option, enter the maximum number of ports in your system if it will differ from the displayed default.
  • Page 21 SERVMANAGERS 3.2.7 P OWERING P THE YSTEM 1. Push the ON/OFF button on the front of the ServManager to power up the ServManager. 2. Power up the directly connected CPUs and any connected submasters one by one, giving each CPU time to boot completely before turning ON the next one.

  • Page 22: Cascading In Servmanager Systems

    CHAPTER 3: Installation 3.3 Cascading in ServManager Systems In a normal cascaded ServManager system, the shared monitor(s), keyboard(s), and mouse (mice) are directly attached to one or more “master” ServManagers, while all the CPUs are indirectly attached through “submasters” (other Serv- Managers, Matrix ServSwitches, original ServSwitches, etc.) that provide port expansion but may or may not perform any control functions of their own.
  • Page 23 SERVMANAGERS 4-PORT MASTER UNIT CPU 7 CPU 6 CPU 15 CPU 16 CPU 13 CPU 14 CPU 5 CPU 11 CPU 12 CPU 9 CPU 10 CPU 7 CPU 8 CPU 5 CPU 6 POWER CPU 15 CPU 16 CPU 13 CPU 14 17VAC CT CPU 3...
  • Page 24 CHAPTER 3: Installation 4-port ServManager CPU 10 (B) CPU 15 CPU 16 CPU 13 CPU 14 CPU 9 (B) CPU 11 CPU 12 CPU 9 CPU 10 CPU 8 CPU 7 CPU 8 CPU 5 CPU 6 CPU 7 POWER 17VAC CT CPU 3 CPU 4...
  • Page 25 SERVMANAGERS • If you use coaxial cables, the maximum recommended distance from the ServManager to the attached monitor, keyboard, and mouse is 20 ft. (6.1 m) with typical monitors and video resolutions, but see the first Caution notice on page 19. For typical CPUs, this is also the maximum recommended distance from any submaster to any attached CPU.
  • Page 26 CHAPTER 3: Installation For example, if you attach one 4-port submaster and one 8-port submaster to a master ServManager, then set Width to 4 (and Units to 2 and Max Ports to 12—see Sections 4.3.8 and 4.3.10), you will be unable to scan or switch to the upper 4 ports on the 8-port submaster—the ServManager has no way of knowing they are even there.
  • Page 27 SERVMANAGERS NOTE In the next three steps, “[CTRL]” represents pressing and releasing the left Control Key, “[ENTER]” represents pressing and releasing the Enter or Return Key, and “xxx” represents a number consisting of one to three ASCII digits. 7. Set each master’s Units, Width, and Maximum Ports values, so that it can scan correctly and properly control the interplay of the submaster units.

  • Page 28: Operation

    NOTES With the optional overlay board SW720C-R3 installed, your ServManager can be controlled through an on-screen menu. Call Black Box for details. To start any ServManager keyboard command, you must press and release the left Control Key ([CTRL]). Pressing and releasing [CTRL] cues the ServManager to expect command characters from the keyboard.
  • Page 29 SERVMANAGERS 4.1.2 M OUSE AND EYBOARD When you power up your ServManager system, make sure that your CPUs, mouse (mice), and keyboard(s) are properly cabled to the ServManager (or to the appropriate master or submaster unit). When you boot up the CPUs, the ServManager(s) and/or submasters to which they are connected should already be ON.
  • Page 30 CHAPTER 4: Operation • If you are using a PC mouse as the common mouse, make sure that the IBM PC CPUs use only the generic Microsoft mouse driver MOUSE.COM, version 4.0 at least and preferably version 9.01 or higher. If you’re running Windows ®...
  • Page 31 SERVMANAGERS Table 4-1. Keyboard Mapping Generally, the ServManager interprets keys by their positions on the keyboard, so any keys that occupy more or less the same positions and perform more or less the same functions across platforms will map one-to-one. However, certain keys available on certain keyboards do not correspond well or are not available on other types of keyboards, so the ServManager maps the more important of these as shown below.
  • Page 32 “DB15HD” or “HD15”] video-input connector, you will need a special M/K/M Adapter Cable to use them with Mac or Sun keyboards and mice— call Black Box Technical Support for a special quote.) The higher the resolution you use, the less distance you can run; see Tables 4-2 and 4-3 on the following pages.
  • Page 33 SERVMANAGERS The ServManager will support SVGA (Super VGA) video, but with the original Serv cables for IBM PC applications, the video quality will decrease markedly at higher resolutions and distances. Table 4-2, below, illustrates this. The distances in the table are total cable lengths measured from the CPU to the monitor.
  • Page 34 PS/2 systems are not normal VGA monitors and require special cabling in order for video to be correctly sized and synchronized. Call Black Box for technical support if you want to use one of these monitors.

  • Page 35: Keyboard-Command Summary

    SERVMANAGERS 4.2 Keyboard-Command Summary Table 4-4 below and on the next two pages summarizes the commands that can be sent to the ServManager. To enter any command at the shared keyboard, first press and release the left Control Key, represented by “[CTRL].”...
  • Page 36 CHAPTER 4: Operation Command Keystroke Sequence Description Scan OFF Turns Scan mode OFF (the port being scanned at [CTRL] X the time the command is entered is given access to the shared monitor, keyboard, and mouse). Note: Scan can also be stopped by entering a Select Port command.

  • Page 37: The Commands In Detail

    SERVMANAGERS Table 4-4. The ServManager’s Keyboard Commands (cont’d.) Command Keystroke Sequence Description Set Keyboard Sets the keyboard typematic (automatic key-repeat) [CTRL] Axxx [ENTER] Typematic (xxx = a decimal value function of the currently selected CPU. This from 0 to 127) command works only with PC-type CPUs that have standard 101-key keyboards and CMOS that allows users to program the typematic function.
  • Page 38 CHAPTER 4: Operation If “Maximum Ports” is set to 100 to 256: The ServManager will immediately switch to the desired port when you press the three-digit number’s third numeral key. For single- and double-digit ports, you can enter the number by including one or two leading zeros (“001”...
  • Page 39 SERVMANAGERS 4.3.4 K ETTINGS The Keep Settings command saves the current state of the ServManager’s configuration settings to nonvolatile memory (NVRAM), where they become the new default (loaded at power-up) settings. To enter the command, press and release the left Control Key, then type [K]. The eight configuration settings are described in the next eight sections.
  • Page 40 CHAPTER 4: Operation 4.3.6.A Keyboard Modes Keyboard “modes” are electrical signaling protocols that determine how a powered CPU and keyboard interact. A CPU and keyboard must use the same mode in order to work with each other. Of the three standard keyboard modes currently in use by IBM type computers, mode number 2 is the one used by the vast majority of CPUs.
  • Page 41 SERVMANAGERS 4.3.6.B Mouse Interfaces IBM PC type computers have several types of mouse interfaces as well. The ServManager supports four: PS/2, Microsoft serial, PC Mouse (Mouse Systems), and 8-bit serial. The PS/2 mouse interface uses a 6-pin mini-DIN connector and is similar to the PS/2 keyboard interface.
  • Page 42 CHAPTER 4: Operation After you enter this command, enter the Keep Settings command to save the mode setting in NVRAM, so that the new setting becomes the default value (preserved during power-down and reloaded at power-up). Before you can set the keyboard mode or mouse interface of the currently selected port on a submaster unit, you have to isolate it from the rest of the system.
  • Page 43 SERVMANAGERS 4.3.7 S With this command, you can conveniently enter the CPU names that are displayed on the ServManager’s front panel. You can always enter or change names using the front-panel keypad (see Section 4.4), but this way is much easier.
  • Page 44 CHAPTER 4: Operation The name is automatically stored in flash configuration memory. If the name is wrong, hit [Y] to re-enter it. If it looks OK, you can hit the [Esc] key to exit the name command or hit [N] to see the name of the next-higher-numbered port.
  • Page 45 SERVMANAGERS 4.3.9 S IDTH OF UBMASTERS Use this command to tell a ServManager how “wide” your submasters are (that is, how many ports each of your submasters has). If your submasters are all 8- port models, set the Width to 8; if they are all 12-port models, set the Width to 12;...
  • Page 46 CHAPTER 4: Operation ❶ IBM PC Type CPUs 2-Port Matrix ServSwitches ServManager ServManager Mac CPU Sun CPU WIDTH = 2 ❷ IBM PC Type CPUs 9 10 11 12 13 14 15 & 16: Empty Slots 4-Port Matrix ServSwitches ServManager ServManager Mac CPU Sun CPU...
  • Page 47 SERVMANAGERS 4.3.10 S NITS Use this command to tell a ServManager how many submasters (as opposed to CPUs) are directly attached to it. It doesn’t matter what kind of ServSwitch device the submaster is. For example, if you were to take an 8-port ServManager and directly attach another ServManager, three Matrix ServSwitches, an original ServSwitch, and two CPUs, the ServManager would have five submasters on it, so you would set Units to 5.
  • Page 48 CHAPTER 4: Operation ❶ ❷ CPUs CPUs CPUs Submaster Serv- Manager Submaster ServManagers CPUs Master Master ServManager ServManager UNITS = 2 UNITS = 1 Fig. 4-2. Alternative configurations which the ServManager needs Units to resolve.
  • Page 49 SERVMANAGERS If you are having difficulty switching between ports or scanning, and one or more of your CPUs are receiving spurious data, check the Units setting of the ServManager you are using; you are probably seeing misdirected switching commands that the ServManager thinks it is sending to submasters. 4.3.11 S CREEN AVER...
  • Page 50 CHAPTER 4: Operation 4.3.12 S EYBOARD YPEMATIC Most IBM type keyboards have an internal seven-bit “typematic” setting, which governs the way the keyboard responds when you hold a key down to force it to repeat. (This command does not apply to Apple or Sun keyboards, because the ServManager does not support the typematic function for them at this time.) The five “low”...
  • Page 51 SERVMANAGERS Table 4-7. Typematic Rate Decimal Binary Repeat Rate in Value Bit Values Keys per Second [xx]00000 [xx]00001 26.7 [xx]00010 [xx]00011 21.8 [xx]00100 [xx]00101 18.5 [xx]00110 17.1 [xx]00111 [xx]01000 [xx]01001 13.3 [xx]01010 [xx]01011 10.9 [xx]01100 [xx]01101 [xx]01110 [xx]01111 [xx]10000 [xx]10001 [xx]10010 [xx]10011 [xx]10100...
  • Page 52 CHAPTER 4: Operation 4.3.13 R ESET This command, along with the two commands described in the next two sections, comes in handy when certain problems arise. It will reset or refresh your shared equipment. Issue it if (a) your shared keyboard gets stuck or begins behaving oddly, (b) you need to send mouse data to a CPU which hasn’t enabled the mouse (this can happen if you boot up the CPU while the ServManager is off or disconnected), (c) your video display has not been...

  • Page 53: Using The Front-Panel Display And Keypad

    SERVMANAGERS 4.3.15 I DENTIFY Unfortunately, as with all complex equipment, problems might arise with your ServManager that require the assistance of technical-support personnel. One of the things technicians might want to know when they attempt to diagnose and correct your problem is the revision level of your ServManager’s ROM.
  • Page 54 CHAPTER 4: Operation 4.4.1.B Normal Display Once the power-up diagnostics have been completed successfully, the display for a single or master ServManager shows the name and number of CPU 1 and its power status. The status line may show “normal” or “no CPU power.” In this example, the default name “CPU 1”...
  • Page 55 SERVMANAGERS Using Review Mode to Switch CPUs You can use the left- and right-arrow keys to cycle through the CPUs by name and number before switching to one. Hitting the right-arrow key will show you the name of the next sequential CPU on the bottom line of the display. Hitting the left-arrow will show you the name of the previous CPU.
  • Page 56 CHAPTER 4: Operation 4.4.2 T ONFIGURATION Hitting the MENU key causes you to enter the configuration mode. 4.4.2.A Scan Mode The first item on the configuration menu to be displayed is scan mode. Scan mode> Enter•select ↑↓•item The bottom line is common to all menu items. Using the up- and down- arrows on the keypad will scroll through the possible items that can be accessed.
  • Page 57 SERVMANAGERS The I is a flashing cursor which directs you to enter a new value using the numeric keys followed by ENTER. The values in parentheses “(1-999)” tell you the range of values that you may enter. You can hit the MENU key at any time to abort the entry.
  • Page 58 CHAPTER 4: Operation 4.4.2.E Mouse The next submenu concerns changing the mouse interface. (If you have chosen Mac or Sun in the previous step, this item will not appear.) Mouse>PS/2 Enter•select ↑↓•item This submenu works similarly to the keyboard submenu described above. Your choices for mouse are PS/2, Microsoft serial, other 8-bit, and PC Mouse (Mouse Systems).
  • Page 59 SERVMANAGERS Section 4.3.6 for more information about the choices for keyboard and mouse. Once the keyboard and mouse are selected, you can hit ENTER at either field and that will save the setting. The cursor then goes back to the CPU field.
  • Page 60 CHAPTER 4: Operation 4.4.2.H Maximum Ports The next item to be displayed is the maximum number of ports in the system. Maximum ports> Enter•select ↑↓•item Hitting ENTER at this item will bring up the following display: Maximum ports> New value(2-256) Enter the new value of the maximum ports followed by ENTER.
  • Page 61 SERVMANAGERS 4.4.2.J Expansion Units (Number of Submaster Units) The next item on the menu is the expansion units. The Units setting is the number of submasters attached to the master ServManager. Refer to Section 4.3.10 for more information on Units. This menu entry works the same way as all other menu items that require a numeric value (see Section 4.4.2.B).
  • Page 62 CHAPTER 4: Operation If you entered “Sun,” you might be prompted to select the Sun keyboard type and language. (A future firmware upgrade will give the ServManager the ability to autodetect this; once your unit has this firmware, the menu will skip to “Save configuration”...

  • Page 63: Using The Rs-232 Port

    SERVMANAGERS 4.4.2.M Keyboard Typematic Delay (PC Only) If and only if the shared keyboard has been identified as a PC type (see Section 4.4.2.D), the next item on the menu is the keyboard’s typematic delay. This setting determines how long after pressing a key the key will start to repeat.
  • Page 64 DE9 (“DB9”) female to RJ-12 female (our product code FA043), depending on your computer/terminal. (If your computer is an Apple or Sun model, call Black Box for technical suport.) Take these steps: 1. Plug one end of the cable into the RS-232 serial port on the single or master ServManager’s rear panel, and the other end of the cable into the...
  • Page 65 SERVMANAGERS 4.5.3 U PGRADING THE IRMWARE LASH EMORY The ServManager has flash memory, which means its firmware may be reloaded (upgraded) in order to support new features or fix any problems in its operation. (For firmware-revision information, and for how to obtain a copy of the most recent revision if necessary, call your suplier for technical support.) You have a choice of two data rates at which to load the flash file.
  • Page 66 CHAPTER 4: Operation Hitting ENTER will cause the following message to appear Programming flash In this case, the ’s are progress indicators that accumulate as the flash is programmed. Once programming is complete, this message will appear: Verifying flash In this case, the ’s are progress indicators that accumulate as the flash is verified.
  • Page 67 ServManager’s kernel (flash loading utility), program, or configuration data is corrupt. If you continue to get this error, then either the program file or configuration data is corrupt, or there is a kernel, flash-memory, or other software or hardware problem in the box; call Black Box for technical support.

  • Page 68: Troubleshooting

    Sections 5.1 and 5.2 before doing anything else. The third section of this chapter suggests possible causes and solutions to frequently encountered problems; if the trouble is chronic, see Section 5.3. Sections 5.4 and 5.5 discuss what’s involved in calling Black Box and shipping your ServManager. CAUTION! We strongly recommend that you avoid opening the ServManager’s...

  • Page 69: Restoring Factory-Default Settings

    1 and start over. If there is a power-up error, or if your reset attempts continue to fail, the ServManager probably has a hardware problem; call Black Box to arrange for the unit to be repaired.

  • Page 70: Common Problems

    CPU does not boot with its original equipment, something in the CPU is defective; call the CPU’s manufacturer. If the CPU does boot, there is some kind of unusual mismatch between that CPU and the shared monitor, keyboard, or mouse; call Black Box for technical support.
  • Page 71 SERVMANAGERS 5.3.2 Y ’ WITCH ORTS FROM THE EYBOARD A. Can you do anything from the keyboard? If not, the keyboard might not be set properly for the currently selected CPU. Use the ServManager’s front- panel display to make sure the proper “Keyboard” setting and the proper “CPU keyboard/mouse”...
  • Page 72 CHAPTER 5: Troubleshooting 5.3.4 Y ’ OUSE RIVER OESN A. The mouse might not be set properly for that CPU. Use the ServManager’s front-panel display to make sure the proper “Mouse” setting and the proper “CPU keyboard/mouse” setting are selected. B.
  • Page 73 If you are already using coax cables for IBM video, you might need to add Station Extenders (our product codes AC253 etc.); call Black Box for technical support. See Section 4.1.3 and Appendix B.
  • Page 74 CPU, or a monitor that will aceept both sync types. If this is not an option, call Black Box for technical support; we might be able to give you a quote on a sync converter and special cabling.
  • Page 75 SERVMANAGERS 5.3.12 O IBM C NE OR ORE OF OMPATIBLE INDOWS The usual cause of this problem is that the affected CPUs are set to load a Logitech or other type of mouse driver when Windows starts up. Set the CPU to load the generic Microsoft mouse driver instead.

  • Page 76: Calling Black Box

    If you determine that your ServManager is malfunctioning, do not attempt to alter or repair the unit. It contains no user-serviceable parts (and see the Caution notice on page 68). Call Black Box Technical Support at (724) 746-5500. Before you do, make a record of the history of the problem. We will be able...

  • Page 77: Appendix A: Nvram Factory Defaults

    SERVMANAGERS Appendix A: NVRAM Factory Defaults The table below shows, for the ServManager’s saveable options, the default values stored in nonvolatile memory (NVRAM) when the ServManager is shipped from the factory. It also shows what commands or actions can change these settings for the ServManager’s current operating period, as well as what commands or actions can save changed settings to NVRAM, so that they become the new defaults.
  • Page 78 APPENDIX A: NVRAM Factory Defaults Option Factory-Default To Change To Save Setting Changes Video-Blank OFF (disabled, set to Use the ServManager’s keypad or “Save Time (Screen zero) type [CTRL] Vxxx [ENTER] config.” or Saver’s (xxx = any 1- to 3-digit number, [CTRL] K Delay Time) time in seconds)

  • Page 79: Appendix B: Product Codes For Cables

    CPUs as much as 200 ft. (61 m) away. If your monitor/keyboard/mouse-sharing system has cabling requirements that can’t be met by what you see here, call Black Box for a possible quote on custom cables or adapters.
  • Page 80 APPENDIX B: Product Codes for Cables Standard CPU Adapter Cables: Video Type Keyboard Type Mouse Type Product Code (Connector on Cable) (Connector on Cable) (Connector on Cable) VGA (DE15 male) IBM AT (5-pin DIN male) Serial RS-232 (DE9 female) EHN048-0xxx VGA (DE15 male) IBM PS/2 (6-pin mini-DIN male) PS/2 (6-pin mini-DIN male)

  • Page 81: Appendix C: Error Messages

    If any errors occur during power-up diagnostics, messages will appear on the ServManager’s front-panel display. Here are the messages you might see and what they mean. If you ever see any of them, you’ll probably need to call Black Box for technical support. Message Displayed Description and Necessary Actions...

  • Page 82: Appendix D: Pinout Of Rs-232 Port

    APPENDIX D: Pinout of the RS-232 Port Appendix D: Pinout of RS-232 Port The table below shows the pinout of the ServManager’s RJ-12 (“6-wire RJ-11”) female RS-232 port. 6 5 4 3 2 1 Signal Name Abbrev. Direction Description Data Set Ready Input Reserved (not used) Data Terminal Ready...

  • Page 83: Trademarks Used In This Manual

    SERVMANAGERS TRADEMARKS USED IN THIS MANUAL Apple, Mac, Macintosh, and TeachText are resistered trademarks of Apple Computer, Inc. AT, IBM, OS/2, PS/2, RS/6000, and ThinkPad are registered trademarks, and PC/XT is a trademark, of IBM Corporation. Logitech is a trademark of Logitech, Inc. Microsoft and Windows are registered trademarks of Microsoft Corporation.
  • Page 84 NOTES...
  • Page 85 NOTES...
  • Page 86 © Copyright 1997. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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