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JUNE 2000 SW721A-R4 SW722A-R4 KV3108SA-R4 SW723A-R4 SW724A-R4 SW725A-R4 P o w e r 1 5 9 1 3 2 6 1 0 1 4 3 7 1 1 1 5 4 8 1 2 1 6 FREE tech support 24 hours a day , 7 days a week: Call 724-746-5500 or fax 724-746-0746 . Mailing address: Black Box Corporation , 1000 Park Dr .
JUNE 2000 SW721A-R4 SW722A-R4 KV3108SA-R4 SW723A-R4 SW724A-R4 SW725A-R4 Step-By-Step Quick Install Guide f or the ServSwitch™ 1. Introduction This guide is designed to quickly show you how to attach cables and equipment in order to install a ServSwitch system.
2 SERVSWITCH™ QUICK INSTALL GUIDE RS-232 POWER MONITOR/KEYBOARD/MOUSE CPU 5 CPU 6 CPU 7 CPU 8 CPU 2 CPU 1 CPU 4 CPU 3 Labeled "MOUSE" Unlabeled Ser vSwitch MONITOR/KEYBOARD/MOUSE CPU 1 1 Attach User Adapter Cable . 2 Attach monitor (V GA type shown).
3 SERVSWITCH™ QUICK INSTALL GUIDE POWER 6 Plug in CPU . 7 Plug in ServSwitch. 8 T urn on ServSwitch. ☞ 4 Attach your k eyboard and mouse this way (PS/2 equipment sho wn): Labeled "MOUSE" Unlabeled 9 T urn on monitor and all CPUs.
4 SERVSWITCH™ QUICK INSTALL GUIDE The rest of this guide is divided into five sections, one for each connection type: Figure 1. Connection sequence. Required: Section 2, User-Station Connections (see page 5 ). Optional: Section 3, Cascade Connections (see page 10 ).
SERVSWITCH™ QUICK INSTALL GUIDE 2. User-Station Connections Which cables you use for these and how you connect them to the ServSwitch and to your user-station equipment will depend on what type of e.
6 SERVSWITCH™ QUICK INSTALL GUIDE 2.1 IBM PS/2 C OMPATIBLE K EYBOARD AND M OUSE , VGA/M ULTISYNC M ONITOR If your keyboard and mouse are IBM PS/2 compatible (which includes current RS/6000 and SGIke.
SERVSWITCH™ QUICK INSTALL GUIDE 2.2 IBM PC/AT C OMPATIBLE K EYBOARD , RS-232 S ERIAL M OUSE , VGA/M ULTISYNC M ONITOR If your keyboard is PC/AT compatible, your mouse is an RS-232 serial type, and y.
8 SERVSWITCH™ QUICK INSTALL GUIDE 2.3 IBM PS/2 C OMPATIBLE K EYBOARD AND M OUSE , RS/6000 M ONITOR If your keyboard and mouse are IBM PS/2 compatible (which includes current RS/6000 keyboards and mi.
SERVSWITCH™ QUICK INSTALL GUIDE 2.4 IBM PS/2 C OMPATIBLE K EYBOARD AND M OUSE , SGI M ONITOR If your keyboard and mouse are IBM PS/2 compatible (which includes current SGI keyboards and mice, as wel.
10 SERVSWITCH™ QUICK INSTALL GUIDE 3. Cascade Connections (Optional) If you want to connect submaster (slave) ServSwitch units to your master unit, use the coaxial Expansion Cable EHN284 . Plug one end of this cable (it doesn’t matter which end) into the submaster unit’s MONITOR/KEYBOARD/ MOUSE port.
SERVSWITCH™ QUICK INSTALL GUIDE 4. CPU Connections Which cables you use and how you connect them will depend on what type of equipment you’re using: If your CPU’s keyboard And if your CPU’s Re.
12 SERVSWITCH™ QUICK INSTALL GUIDE 4.1 IBM PS/2 C OMPATIBLE K EYBOARD AND M OUSE P ORTS , VGA T YPE V IDEO P ORTS If a CPU’s keyboard and mouse ports are IBM PS/2 compatible (which includes curren.
SERVSWITCH™ QUICK INSTALL GUIDE Figure 7. PS/2 type CPU connections. RS-232 POWER MONITOR/KEYBOARD/MOUSE CPU 5 CPU 6 CPU 7 CPU 8 CPU 2 CPU 1 CPU 4 CPU 3 13 EHN051 or EHN282 To kbd port To mouse port.
14 SERVSWITCH™ QUICK INSTALL GUIDE 4.2 IBM PC/AT C OMPATIBLE K EYBOARD P ORT , RS-232 S ERIAL M OUSE P ORT , VGA T YPE V IDEO P ORT If a CPU’s keyboard port is PC/AT compatible, its mouse port is .
SERVSWITCH™ QUICK INSTALL GUIDE Figure 8. PC/AT type CPU connections (standard cable). Figure 9. PC/AT type CPU connections (coaxial cable). RS-232 POWER MONITOR/KEYBOARD/MOUSE CPU 5 CPU 6 CPU 7 CPU.
16 SERVSWITCH™ QUICK INSTALL GUIDE 4.3 IBM PS/2 C OMPATIBLE K EYBOARD AND M OUSE P ORTS , RS/6000 V IDEO P ORT If a CPU’s keyboard and mouse ports are IBM PS/2 compatible (which includes current RS/6000 CPUs), and its video port is an RS/6000 type with a 13W3 connector, use the coaxial CPU Adapter Cable EHN520 .
SERVSWITCH™ QUICK INSTALL GUIDE 4.4 IBM PS/2 C OMPATIBLE K EYBOARD AND M OUSE P ORTS , SGI V IDEO P ORT If a CPU’s keyboard and mouse ports are IBM PS/2 compatible (which includes current SGI CPUs), and its video port is an SGI type with a 13W3 connector, use the coaxial CPU Adapter Cable EHN500 .
18 SERVSWITCH™ QUICK INSTALL GUIDE 5. The RS-232 Connection (Required for Upgrading Firmware, Optional Other wise) To attach the ServSwitch’s RS-232 port to the RS-232 serial port of a PC or modem.
SERVSWITCH™ QUICK INSTALL GUIDE • If you are connecting the Switch to a computer at another site through a modem with a DB25 female serial port, use the 6-wire cable EL06MS and the DB25 male adapter FA042 , as shown in Figure 14. Figure 14. RS-232 connection to DB25 male computer port.
20 SERVSWITCH™ QUICK INSTALL GUIDE 6. The Power Connection Attach the outlet end of the included power cord into the Switch. Attach the plug end of the cord to a wall outlet.
21 NOTES.
CUSTOMER SUPPORT INFORMATION Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX 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 Web site: www.
1 THE SERVSWITCH™ FAMILY W elcome to the Ser vSwitch TM Family! Thank you for purchasing a BLACK BOX ® ServSwitch ™ Brand KVM switch! We appreciate your business, and we think you’ll appreciate the many ways that your new ServSwitch keyboard/video/mouse switch will save you money, time, and effort.
2 SERVSWITCH™ TRADEMARKS USED IN THIS MANUAL BLACK BOX and the logo are registered trademarks, ServSwitch, ServSwitch Ultra, Matrix ServSwitch, and ServManager are trademarks, of Black Box Corporation. Apple and Macintosh are registered trademarks of Apple Computer, Inc.
3 FCC/IC STATEMENTS FEDERAL COMMUNICA TIONS COMMISSION AND INDUSTR Y CANADA RADIO FREQUENCY INTERFERENCE ST A TEMENTS 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.
4 SERVSWITCH™ NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY ST A TEMENT 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.
5 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 .
6 SERVSWITCH™ Contents Chapter Page 1. Specifications ........................................................................................... 10 2. Introduction ....................................................................................
7 TABLE OF CONTENTS Chapter Page 4.4 Using the RS-232 Port ....................................................................... 44 4.4.1 Connecting Equipment to the Port ..................................... 44 4.4.2 Switching Ports Remotely (Optional) .
8 SERVSWITCH™ Contents (continued) Chapter Page 5. Operation: On-Screen Display (continued) 5.5 The “Configure Security” Page ........................................................ 68 5.5.1 The Configuration Password ..........................
9 TABLE OF CONTENTS Appendix Page Appendix A: NVRAM Factory Defaults ......................................................... 78 A.1 Keyboard-Command Settings ........................................................... 78 A.2 On-Screen Configuration Settings .
10 SERVSWITCH™ 1. Specifications Hardware Required — Monitor that supports your computers’ highest video standard (see Section 4.1.1 ) Compliance — CE, FCC Part 15 Subpart J Class A, IC Class/.
11 CHAPTER 1: Specifications User Controls — All models: Keyboard commands; On-screen menus; SW721A-R4: (3) Front-mounted pushbuttons: “ON/OFF” (power), “+” (switch to next port), and “–.
12 SERVSWITCH™ Power — SW721A-R4: From wallmount external power supply (type may vary, refer to labeling on transformer): Either: Input: 90 to 260 VAC at 50 or 60 Hz, 65 to 130 mA; Output: +8 VDC at 1.5 A, –8 VDC at 375 mA; or: Input: 90 to 264 VAC at 47 to 63 Hz, 78 to 156 mA; Output: +12 VDC at 1 A, –12 VDC at 0.
13 CHAPTER 1: Specifications 2. Introduction Thank you for choosing a ServSwitch™. Designed with your needs in mind, your new Switch will simplify your job by helping you organize your multiple-computer application.
14 SERVSWITCH™ • The units remember and restore Num Lock, Caps Lock, Scroll Lock, and keyboard mode for each CPU. • Screen-save function can turn off video after 1 to 999 seconds of inactivity. • Scan function can sequence between CPUs every 1 to 15 seconds.
15 CHAPTER 2: Introduction 2.3 The Front Panel The front panels of the ServSwitch feature two or three pushbutton switches and several LED indicators. To familiarize yourself with these controls and indicators, refer to Figures 2-1, 2-2, and 2-3 below and the descriptions that follow on the next page.
16 SERVSWITCH™ Panel Label Description POWER (left) Main Power LED: Lights to indicate that unit is powered ON. ON/OFF 2-port units only: Press this button to turn the ServSwitch ON or OFF.
17 CHAPTER 2: Introduction 2.4 The Rear Panel All cable connections are made at the rear panel of the ServSwitch, as illustrated in Figures 2-4 and 2-5 and described below. Figure 2-4. The rear panel of a 2 to 1 Ser vSwitch (SW721A-R4). Figure 2-5. The rear panel of a 16 to 1 Ser vSwitch (SW725A-R4).
18 SERVSWITCH™ Panel Label Connector Description or Control Connect the ServSwitch’s power cord or power- supply cord here. The power supply is autosensing; it will accept input voltages from 90 to 264 VAC (on 2-port units, where it is external) or 100 to 240 VAC (on other models, where it is internal).
19 CHAPTER 2: Introduction 2.5 Cable Requirements Many switches of this type have what seems like ten million connectors on their rear panels: one for each CPU’s video cable, one for each keyboard cable, and a third for each mouse cable. The potential for tangling or mismatching cables is high.
20 SERVSWITCH™ 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 the ServSwitch unit. Connectors will vary depending on the types of equipment you are installing.
21 CHAPTER 3: Installation 3.2 Installation Procedure This section provides complete instructions for the hardware setup of a single ServSwitch. (For detailed instructions on the capabilities and concerns involved in installing a cascaded Switch system, see Section 3.
22 SERVSWITCH™ 3.2.3 C ONNECTING CPU S CPU Adapter Cables run from the ServSwitch 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 ).
23 CHAPTER 3: Installation 3.2.4 C ONNECTING S UBMASTERS (O PTIONAL ) To connect a submaster Serv type switch (ServSwitch, ServSwitch Ultra, Matrix ServSwitch, ServManager, etc.
24 SERVSWITCH™ 3.2.5 P OWERING U P THE S YSTEM 1A. 2-port model (SW721A-R4): Making sure that the connected CPUs and any connected submasters are OFF (powered down), take the output cord of the ServSwitch’s power supply and plug its 5-pin DIN male connector into the power jack on the rear panel of the Switch.
25 CHAPTER 3.2.6 C HANGING THE K EYBOARD S ETTING OF W INDOWS NT 4.0 CPU S If any CPUs attached to your ServSwitch are running Microsoft Windows NT 4.0, you must change the keyboard setting in their Control Panel from the default, “Microsoft Enhanced Keyboard,” to “Standard 101/102 or Microsoft Natural Keyboard.
26 SERVSWITCH™ 3.3 Cascading in ServSwitch Systems In a normal cascaded ServSwitch system, the shared monitor(s), keyboard(s), and mouse (mice) are directly attached to one or more “master” Serv-Switches, while all the CPUs are indirectly attached through “submasters” (subsidiary ServSwitches, ServSwitch Ultras, ServManagers, etc.
27 CHAPTER 3: Installation say that CPUs 1 through 8 are “shared,” we mean that they can be accessed by either master at different times, not by both masters simultaneously.) Adding a third 4-port submaster unit would give you a total of 17 ports, and so on.
28 SERVSWITCH™ Figure 3-2. Basic Ser vSwitch cascading. CPU 7 CPU 6 CPU 5 CPU 4 CPU 3 CPU 2 CPU 1 4 3 2 1 4 3 2 1 CPU 16 CPU 15 CPU 14 CPU 13 4 3 2 1 CPU 12 CPU 11 CPU 10 CPU 1 9 4 3 2 1 CPU 8 CPU 7.
29 CHAPTER 3: Installation • You must not cascade submasters to more than one “layer.” That is, you may connect submasters to the CPU ports of one or (with Matrix ServSwitch submasters) two master ServSwitches, but do not connect any submasters to submasters’ CPU ports.
30 SERVSWITCH™ • If you are attaching more than one submaster to a slimline or full-size master ServSwitch, we strongly recommend that all of the submasters have the same number of ports.
31 CHAPTER 3: Installation receive the file at 9600 baud (9600 bps). (In this case, you must download the file at 9600 bps.) 6. Turn ON the computer identified as CPU 1. Wait until the boot process is complete, then turn ON CPU 2, wait until it boots, turn ON CPU 3, etc.
32 SERVSWITCH™ 4. Operation: Hardware and Keyboard Commands 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.
33 CHAPTER 4: Operation: Hardware and Keyboard Commands Though the ServSwitch can convert any supported keyboard or mouse protocol to any other, this is not enough to overcome all of the vast differences between input devices. If all of your CPUs are of the same type, we recommend that you use the corresponding type of keyboard and mouse.
34 SERVSWITCH™ 4.1.3 M ONITOR NOTE At resolutions up to 800 x 600, the video quality for most ServSwitch applications will be excellent. At higher resolutions, however, you might see a little fuzziness on your monitor no matter how close to ideal your ServSwitch system is.
35 CHAPTER 4: Operation: Hardware and Keyboard Commands The ServSwitches will support SVGA (Super VGA) video, but with original Serv cables the video quality will decrease markedly at higher resolutions and distances. Table 4-2, below, illustrates this.
36 SERVSWITCH™ By contrast, coaxial cables (required for XGA applications and recommended for most other applications) do much better at maintaining video quality, as shown in Table 4-3 below. (For the meaning of quality numbers 3 , 2 , and 1 , see the bottom of the previous page.
37 CHAPTER 4: Operation: Hardware and Keyboard Commands 4.2 Keyboard-Command Summary Table 4-4 below and on the next page summarizes the commands that can be sent to the ServSwitch. To enter any command at the shared keyboard, first press and release the left Control key, represented by “[Ctrl].
38 SERVSWITCH™ T able 4-4. The Ser vSwitch’s Keyboard Commands (continued) Logs out the current user if an access password has been set; video is blanked and keyboard and mouse input is locked until a user enters the access password. If no access password has been set, turns on the screen saver.
39 CHAPTER 4: Operation: Hardware and Keyboard Commands 4.3 The Commands in Detail 4.3.1 S ELECTING A P ORT FROM THE S HARED K EYBOARD To select a port from your keyboard, press and release your keybo.
40 SERVSWITCH™ 4.3.3 S CAN M ODE To start scanning (switching from CPU to CPU in a continuous rotation) from the keyboard, press and release the left Control key ([Ctrl]), then press [S]. The ServSwitch will begin scanning sequentially from its currently selected port through the higher-numbered ports, then begin again at CPU Port 1.
41 CHAPTER 4: Operation: Hardware and Keyboard Commands 4.3.6 R ESET This command, along with the commands described in the next two sections, can come in handy when certain problems arise.
42 SERVSWITCH™ 4.3.7 S END N ULL B YTE (PS/2 T YPE M ICE O NLY ) PS/2 type mice send control data to CPUs in three-byte increments. Sometimes, because of electronic transients, unusual power-up effe.
43 CHAPTER 4: Operation: Hardware and Keyboard Commands 4.3.9 D ISPLAY L ABEL One of the ServSwitch’s graphic-overlay functions is to display the on-screen “label” window that contains the number and assigned name of the currently selected CPU (see Section 5.
44 SERVSWITCH™ 4.4 Using the RS-232 Port 4.4.1 C ONNECTING E QUIPMENT TO THE P ORT For your convenience, a computer or terminal with an EIA/TIA RS-232 serial port can be connected to the RS-232 serial port (RJ-12 connector) on the ServSwitch’s rear panel (see Appendix C for a pinout of this connector).
45 CHAPTER 4: Operation: Hardware and Keyboard Commands 4.4.2 S WITCHING P ORTS R EMOTELY (O PTIONAL ) To switch ports on a ServSwitch from a remote computer or terminal attached to the Switch’s RS-232 port, take these steps: 1. Set your computer for serial communication at 9600 bps, no parity, 8 data bits, and 1 stop bit.
46 SERVSWITCH™ 4.4.3 U PGRADING THE F IRMWARE (F LASH M EMORY ) The ServSwitch has flash memory, which means its firmware may be reloaded (upgraded) in order to support new features or fix any problems in its operation.
47 CHAPTER 4: Operation: Hardware and Keyboard Commands ASCII text file ( not XMODEM, ZMODEM, etc.). The Switch will send back a series of ASCII period (“.”) characters (decimal 46, hex 2E) that shows the progress of the file-copying procedure. It will also flash LED 1 or 4 (depending on the data rate).
48 SERVSWITCH™ 6. Press the Enter key on the PC’s keyboard. (If your keyboard does not have an Enter key, press the Return key instead.) LED 3 will go dark briefly while the ServSwitch reboots itself and runs its new firmware. The Switch should then light LED 4 and send some diagnostic information about itself.
49 CHAPTER 4: Operation: Hardware and Keyboard Commands 3. Make sure the ServSwitch is turned OFF, then turn it ON while holding in both the “ ” and “ ” buttons (the “+” and “–” buttons on the 2-port unit) on the Switch’s front panel.
50 SERVSWITCH™ 5. Operation: On-Screen Display 5.1 Overview You can use the ServSwitch’s on-screen display to: 1. Configure the ServSwitch through a series of configuration menus (trig gered with the [Ctrl] [F12] command, where [Ctrl] is the left Control key).
51 CHAPTER 5: Operation: On-Screen Display This menu and all other on-screen display windows appear “on top of” your computer video, assuming you are switched to a computer with active video.
52 SERVSWITCH™ 5.2 The “Configure System” Page Use this page, shown in Figure 5-2 below, to view and change keyboard-type, mouse, expansion, scan, and keyboard-typematic settings. Access it from the main menu by hitting [Enter] when “Configure system” is highlighted.
53 CHAPTER 5: Operation: On-Screen Display 5.2.2 C ONFIGURE S YSTEM : M OUSE The ServSwitch will also autodetect the mouse type unless you boot the Switch without a mouse attached, in which it will default to the “PS/2” setting. To change the mouse type, press [Enter] while “Mouse” is highlighted.
54 SERVSWITCH™ “Serial 2-button mouse” refers to those mice that have serial RS-232 interfaces (usually with a DB9 connector), are Microsoft compatible, and use a 3-byte, 7-bit, 1200-bps, no-parity data format. Most PC serial mice with two buttons fall into this category.
55 CHAPTER 5: Operation: On-Screen Display 5.2.3 C ONFIGURE S YSTEM : M AXIMUM C OMPUTERS This setting corresponds to the number of computers (CPUs) connected to the ServSwitch system.
56 SERVSWITCH™ 5.2.4 C ONFIGURE S YSTEM : E XPANSION U NITS This setting corresponds to the number of “submaster” (expansion) Serv units that are connected to the main master ServSwitch. It helps to determine which CPU number is associated with which physical connector.
57 CHAPTER 5: Operation: On-Screen Display 5.2.6 C ONFIGURE S YSTEM : S CAN T IME This item determines the time, in seconds, that the ServSwitch will pause at each of the computers when scanning. The factory-default setting is 5 seconds. To change the scan time, press [Enter] while “Scan time” is highlighted.
58 SERVSWITCH™ T able 3-1. Typematic Rate Rate Value Actual Rate in Rate Value Actual Rate in Keystrokes per Keystrokes per Second Second 02 1 6 8 1 2.1 17 8.6 2 2.3 18 9.2 3 2.5 19 10 4 2.7 20 10.9 5 3 21 12 6 3.3 22 13.3 7 3.7 23 15 8 4 24 16 9 4.
59 CHAPTER 5: Operation: On-Screen Display 5.3 The “Configure Computers” Page Use this page to set the name, keyboard type, and mouse type for each of the ServSwitch’s CPU ports. Access it from the main menu by hitting [Enter] when “Configure computers” is highlighted.
60 SERVSWITCH™ 5.3.1 C ONFIGURE C OMPUTERS : C OMPUTER N AME Each computer can be given a name consisting of up to 16 characters. These names appear as labels in the “Computer select” window (see Section 5.6 ). To change a computer name, press [Enter] while the corresponding “Computer name” field is highlighted.
61 CHAPTER 5: Operation: On-Screen Display 5.3.2 C ONFIGURE C OMPUTERS : K EYBOARD Use this field to tell the ServSwitch what type of keyboard mode (PC mode 1, 2, or 3) a given CPU uses. To change a CPU port’s keyboard mode, press [Enter] while the corresponding “Keyboard” field is highlighted.
62 SERVSWITCH™ 5.3.3 C ONFIGURE C OMPUTERS : M OUSE Use this field to tell the ServSwitch what type of mouse a given CPU uses. The factory default is “PS/2” (non-wheel). To change a CPU port’s mouse type, press [Enter] while the corresponding “Mouse” field is highlighted.
63 CHAPTER 5: Operation: On-Screen Display 5.4 The “Configure Overlay” Page Use this page to set the color of the configuration menus, the resolution of ServSwitch-generated video, the type and ti.
64 SERVSWITCH™ 5.4.1.B Resolution This item gives you maximum monitor-type flexibility by determining the resolution and refresh rate of the video signal that the ServSwitch sends to the shared monitor while the unit isn’t receiving any video from the CPU.
65 CHAPTER 5: Operation: On-Screen Display 5.4.2 C ONFIGURE O VERLAY : C OMPUTER S ELECT W INDOW 5.4.2.A Background Color and Text Color These items determine the background and text colors of the “Computer select window” (see Section 5.
66 SERVSWITCH™ 5.4.3 C ONFIGURE O VERLAY : C OMPUTER L ABEL 5.4.3.A Background Color and Text Color These items determine the background and text colors of the computer label. The ServSwitch displays this label on the shared monitor’s screen as you switch between CPUs to identify individual CPUs.
67 CHAPTER 5: Operation: On-Screen Display 5.4.3.C Show Computer Number This item determines whether or not the computer number is displayed along with the computer label. To change this setting, press [Enter] while “Show computer number” is highlighted.
68 SERVSWITCH™ 5.5 The “Configure Security” Page Use this page to set security options for the ServSwitch. Access this page, shown in Figure 5-10 below, from the main menu by hitting [Enter] when “Configure security” is highlighted. Figure 5-10.
69 CHAPTER 5: Operation: On-Screen Display ServSwitch will begin displaying its currently selected screen saver (see Section 5.4.1.C ) over the whole screen. The Switch will not display any computer video, nor will it accept any keyboard commands, until a user logs in by entering the access password.
70 SERVSWITCH™ 5.6 The “Computer Select Window” You can bring up a “computer select window” on the shared monitor’s screen to select a specific computer from a list of computers attached to the ServSwitch.
71 CHAPTER 6: Troubleshooting 6. T roubleshooting The first two sections of this chapter discuss things to try when problems arise in a ServSwitch system. If the trouble you’re having with the Switch is something you haven’t seen before, or if the trouble seems minor, try the procedures detailed in Section 6.
72 SERVSWITCH™ 6.2 Common Problems 6.2.1 A CPU C ONNECTED TO Y OUR S ERV S WITCH OR A S UBMASTER D OESN ’ T B OOT , AND Y OU G ET A K EYBOARD OR M OUSE E RROR A. First make sure your ServSwitch and (if one is involved) your submaster are plugged in and powered up.
73 CHAPTER 6: Troubleshooting 6.2.2 Y OU C AN ’ T S WITCH P ORTS FROM THE K EYBOARD A. Can you do anything from the keyboard? If not, the keyboard strand of your MKM cable has probably come loose. Reconnect it. B. The ServSwitch might have lost power for less than three seconds.
74 SERVSWITCH™ 6.2.5 T HE S ERV S WITCH S CANS OR S WITCHES TO E MPTY OR N ONEXISTENT P ORTS A. The “Maximum computers” setting is too high. (If any of the CPUs you can access are receiving garbage characters, this is a good indicator.) Set M aximum Ports to match the number of CPUs in your system.
75 CHAPTER 6: Troubleshooting 6.2.9 Y OUR M OUSE D OESN ’ T M OVE THE P OINTER /C URSOR A. What type of mouse is it? If it is any type other than those listed as being supported in item A under Section 6.2.6 , chances are that the ServSwitch doesn’t support it.
76 SERVSWITCH™ E. The CPU is sending video with sync on green, which the ServSwitch does not currently support. Call Black Box for technical support. F. If the video problem is not centered on the monitor, check the video strands of your cables. Tighten any loose connections.
77 CHAPTER 6: Troubleshooting 6.2.16 T HE S ERV S WITCH D OESN ’ T W ORK W ITH Y OUR D ONGLE -P ROTECTED S OFTWARE The ServSwitch does not support keyboard-line dongles (the devices required to be inserted into the keyboard line by some software for copy protection).
78 SERVSWITCH™ Appendix A: NVRAM Factor y Defaults A.1 Keyboard-Command Settings The tables below shows, for the ServSwitch’s keyboard-command configuration options, the default values stored in nonvolatile memory (NVRAM) when the ServSwitch is shipped from the factory.
79 APPENDIX A: NVRAM Factory Defaults A.2 On-Screen Configuration Settings The table below and on the next page shows, for the ServSwitch’s saveable on- screen display options, the default values stored in nonvolatile memory (NVRAM) when the ServSwitch is shipped from the factory.
80 SERVSWITCH™ Option Default setting Computer label Background color .........................Transparent blue Text color ......................................White Position..........................................X=3, Y=90 Show computer number .
81 APPENDIX B: Cable Product Codes Appendix B: Cable Product Codes The table below and on the next page lists the product codes for all the types of cables we currently offer for use with the ServSwitch. The four digits that follow the dash in each product code indicate how long each cable is in feet (one foot = 30.
82 SERVSWITCH™ Standard CPU Adapter Cables: Video Type Keyboard Type Mouse Type Product Code (Connector on Cable) (Connector on Cable) (Connector on Cable) VGA (HD15 male) IBM PC/AT (5-pin DIN male).
83 APPENDIX C: Pinout of RS-232 Port Appendix C: Pinout of RS-232 Por t The table below shows the pinout of the ServSwitch’s RJ-12 (“6-wire RJ-11”) female RS-232 port.
84 SERVSWITCH™ Appendix D: The LK461 Keyboard Some of the computers manufactured by Compaq ® subsidiary Digital Equipment Corporation come with a special keyboard called the DEC LK461.
85 APPENDIX E: Installing the 4-Port Expansion Board Appendix E: Rackmounting the Ser vSwitch If you want to mount your -R4 ServSwitch in a 19", 23", or 24" rack, make sure you get the .
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