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Table of Contents
Related Manuals for Black Box SW722A-R2
Summary of Contents for Black Box SW722A-R2
- Page 3 ServSwitch system that’s just right for you. The ServSwitch family from Black Box—the one-stop answer for all your KVM-switching ™ needs! This manual will tell you all about your “-R2”...
- Page 4 “R2” SERVSWITCH TRADEMARKS USED IN THIS MANUAL AT, IBM, PS/2, and ThinkPad are registered trademarks, and PC/XT is a trademark, of International Business Machines Corporation. Logitech is a registered trademark of Logitech, Inc. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
- Page 5 FCC AND IC RFI 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. It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference when the equipment is...
- Page 6 “R2” SERVSWITCH NORMAS OFICIALES MEXICANAS (NOM) 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. 3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de operación deben ser respetadas.
- Page 7 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.
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Page 8: Table Of Contents
“R2” SERVSWITCH Chapter Specifications ..........8 Introduction . -
Page 9: Chapter Page
5.4 Calling Black Box ........ -
Page 10: Specifications
“R2” SERVSWITCH 1. Specifications Compliance: FCC Class A, DOC Class/MDC classe A Standards: With original Serv cabling: VGA (color, monochrome, or page white), EGA (color or monochrome), or CGA video; With original Serv cabling (minimal) or coaxial cabling (recommended): SVGA video; With coaxial cabling: XGA (color or monochrome) video;... - Page 11 Maximum Altitude: 10,000 ft. (3048 m) Enclosure: Steel Power: For 120-VAC, 60-Hz operation: From wallmount power supply: SW721A-R2, SW722A-R2: Optimal input: 120 VAC, 60 Hz at 100 mA; Output: 17 VAC CT at 700 mA; Consumption: Up to 11.9 VA;...
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Page 12: Introduction
2.1 The Complete Package Your ServSwitch package includes the ServSwitch, 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 ServSwitch: •... -
Page 13: The Front Panel
• Custom settings for each CPU can be saved in nonvolatile memory. • Rackmount kits are available. 2.3 The Front Panel The KVM ServSwitch’s front panel features three pushbutton switches and several LED indicators. To familiarize yourself with these controls and indicators, refer to Figure 2-1 below and the descriptions that follow. -
Page 14: The Rear Panel
“R2” SERVSWITCH NEXT: Next Port Button: Press this button to manually switch the shared monitor, keyboard, and mouse from the currently selected computer to the next one in sequence. SCAN: Scan-Mode Button: When the ServSwitch is ON and operating normally (not scanning), press the button once to put the button in the “in”... - Page 15 Panel Label Connector CPU X DB25 F [X = a number from 1 to either 2, or 4, depending on which model you have] CPU X (continued) The 2- and 4-port models both share the same chassis, which has 4 CPU X connector slots.
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Page 16: Cable Requirements
See Appendix B. To carry true monochrome video, or 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 17: Installation
CHAPTER 3: Installation 3. Installation 3.1 Quick Setup Guide Figure 3-1 shows a basic example of connecting a CPU, a keyboard, a monitor, and a mouse to the ServSwitch. Connectors will vary depending on the types of equipment you are installing. SERVSWITCH Power Supply 17 VAC CT... -
Page 18: Installation Procedure
Rackmounting Kit (our product code SW727 for the 2- and 4-port models). The ServSwitch is pre-drilled to accept the kit’s rackmounting screws. If you want to mount the Switch in a 23" or 24" rack, call Black Box for a special quote on a 23" or 24" kit. -
Page 19: Powering Up The System
Avoid routing cable near fluorescent lights, air-conditioning compressors, or machines that may create electrical noise. Total length of original Serv cable from the keyboard, monitor, and mouse to any given CPU should not exceed 25 ft. (7.6 m). For typical equipment and video resolutions, length of coaxial cable should not exceed the 20 ft. -
Page 20: Switching From The Keyboard
“R2” SERVSWITCH 3.2.5 S WITCHING FROM THE EYBOARD Your ServSwitch is now ready for operation using its default settings. To take full advantage of the switch’s features, refer to Chapter 4, which gives detailed information about each of the ServSwitch commands, describing each command’s function and keystroke sequence. -
Page 21: Operation
The first part of this chapter, Section 4.1, gives you some guidelines that you should follow to make sure your ServSwitch works properly with your equipment. Section 4.2 summarizes the ServSwitch’s keyboard commands, and Section 4.3 describes these commands in detail. Section 4.4 outlines how you can select ports from an optional computer or terminal connected to the ServSwitch’s RS-232 port. -
Page 22: Monitor
(see the next two pages). With coaxial cables, it will also support XGA. Lastly, it will also support true monochrome video, but this requires special cabling; call Black Box for technical support. If you are running a mixed VGA-and-EGA system, you will need VGA cables and EGA-to-VGA adapters for all your CPUs. - Page 23 Coaxial cables do well at maintaining video quality, as shown in Table 4-1. The distances in the table are total cable lengths measured from the CPU to the monitor. The table assumes a single ServSwitch is between the CPU and monitor. Table 4-1.
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Page 24: Keyboard Command Summary
One last note of caution about video: The IBM 9515, 9517, and 9518 monitors that come with some 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 25 Table 4-2 (continued). The ServSwitch’s keyboard commands. Command Keystroke Sequence [CTRL] - Switch to the Previous Port [CTRL] S Scan ON [CTRL] X Scan OFF Scan can also be stopped by entering a Select Port command. [CTRL] K Keep Settings [CTRL] Txx [ENTER] Sets the time, in seconds, that the Set Scan-Delay Time...
- Page 26 “R2” SERVSWITCH Table 4-2 (continued). The ServSwitch’s keyboard commands. Command Keystroke Sequence Set Keyboard (Select port, then:) [CTRL]Mx[ENTER] Mode (x=1, 2, or 3) [CTRL]Axxx[ENTER] Sets the keyboard typematic (automatic Set Keyboard Typematic (xxx=a decimal value from 0 to 127) [CTRL] R Reset [CTRL] N Send Null...
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Page 27: The Commands In Detail
4.3 The Commands in Detail 4.3.1 S ELECTING A ORT FROM THE To select a port from your keyboard, press and release your keyboard’s left Control Key ([CTRL]), then type in the port number: If “Maximum Ports” is set to 1 to 4: The ServSwitch will immediately switch to the desired port when you press the one-digit number’s numeral key. -
Page 28: Keep Settings
“R2” SERVSWITCH 4.3.4 K ETTINGS The Keep Settings command saves the current state of the ServSwitch’s keyboard- selectable 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]. -
Page 29: Set Keyboard Mode
4.3.7 S EYBOARD 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, mode number 2 is the one used by the vast majority of CPUs. -
Page 30: Set Keyboard Typematic
“R2” SERVSWITCH If most or all of the CPUs you’ll be connecting to your ServSwitch system use a keyboard mode other than 2, you might want to change the defaults of their switch ports at installation time. This is because when power outages occur, the switch ports will return to their default keyboard mode when the power comes back on. - Page 31 Table 4-4. Typematic rate. Decimal Value Binary Bit Values [xx]00000 [xx]00001 [xx]00010 [xx]00011 [xx]00100 [xx]00101 [xx]00110 [xx]00111 [xx]01000 [xx]01001 [xx]01010 [xx]01011 [xx]01100 [xx]01101 [xx]01110 [xx]01111 [xx]10000 [xx]10001 [xx]10010 [xx]10011 [xx]10100 [xx]10101 [xx]10110 [xx]10111 [xx]11000 [xx]11001 [xx]11010 [xx]11011 [xx]11100 [xx]11101 [xx]11110 [xx]11111 CHAPTER 4: Operation Repeat Rate in Keys per Second...
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Page 32: Reset
“R2” SERVSWITCH 4.3.9 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 that hasn’t enabled the mouse (this can happen if you boot up the CPU while the ServSwitch is off or disconnected), (c) your video display has not been updated to show current... -
Page 33: Identify Rom
4.3.11 I DENTIFY Unfortunately, as with all complex equipment, problems might arise with your ServSwitch 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 ServSwitch’s ROM. This command causes the ServSwitch to send the three-character “xxx”... -
Page 34: Troubleshooting
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 ServSwitch. We strongly recommend that you avoid opening the ServSwitch’s cover. -
Page 35: Restoring Factory-Default Settings
Now reconfigure the box to your desired settings. If you’re still having difficulty, refer to Section 5.3. If it doesn’t help you to solve your problem, call Black Box for technical support. 5.3 Common Problems 5.3.1 A CPU C... -
Page 36: You Can't Switch Ports From The Keyboard
G. If swapping ports doesn’t solve the problem, try plugging a known-good keyboard and mouse directly into the CPU that’s having the problem. If the CPU boots, the ServSwitch might be defective; call Black Box. H.If the CPU still doesn’t boot, the CPU’s keyboard or mouse port (or other components) might be defective. -
Page 37: Characters That You Type Come Up Wrong Or Missing
E. You might be using the keyboard incorrectly. Make sure to use the left Control key to start port-switching commands. Make sure to use the numeric keys at the top of the keyboard rather than the numeric keypad when you type in port numbers. -
Page 38: Your Ps/2 Mouse Gets Out Of Sync
IDEO IS A. If you are trying to use true monochrome video or a 9515, 9517, or 9518 monitor, you need special cables to carry the video correctly. Call Black Box for technical support. B. Check the settings of your monitor, especially the sync or color controls. -
Page 39: Your Video Is Ok In Low-Resolution Mode, But You Can't
5.4 Calling Black Box If you determine that your ServSwitch is malfunctioning, do not attempt to alter or repair the unit. It contains no user-serviceable parts. Contact Black Box at 724-746- 5500. ESOLUTION CAN OR... -
Page 40: Shipping And Packaging
“R2” SERVSWITCH Before you do, make a record of the history of the problem. We will be able to provide more efficient and accurate assistance if you have a complete description, including: • the nature and duration of the problem. •... -
Page 41: Appendix A. Nvram Factory Defaults
Appendix A: NVRAM Factory The table below shows, for the ServSwitch’s saveable options, the default values stored in nonvolatile memory (NVRAM) when the ServSwitch is shipped from the factory. It also shows what commands or actions can change these settings for the ServSwitch’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 42: Appendix B. Cable Product Codes
“100” for 5-foot (1.5-m), 10-foot (3-m), 20-foot (6.1-m), 50-foot (15.2-m), 75-foot (22.9-m), or 100-foot (30.5-m) cables respectively. 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. Original monitor/keyboard/mouse adapter cables. - Page 43 Video Type Keyboard Type (Connector on Cable) (Connector on Cable) IBM PS/2 (DB15HD male) (6-pin mini-DIN male) Video Type Keyboard/Mouse (Connector on Cable) (Connector on Cable) USB Type A (DB15HD male) APPENDIX B: Cable Product Codes Coaxial CPU adapter cables. Mouse Type (Connector on Cable) PS/2...
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Page 44: Appendix C. Pinout Of Rs-232 Port
“R2” SERVSWITCH Appendix C: Pinout of RS-232 Port The table below shows the pinout of the ServSwitch’s RJ-12 (6-wire RJ-11) female RS-232 port. Signal Name Data Set Ready Data Terminal Ready Transmit Data Signal Ground Receive Data Request to Send Abbrev. - Page 45 NOTE S NOTE S NOTE S NOTE S NOTE S 1 1 1 4 311 1 1 1...
- Page 46 NOTE S...