APRIL 2001
1
2
3
4
STATUS
RESET
PC
Mac
1
2
3
4
SW627A-R2
SW628A-R2
1
THE SERVSWITCH™ FAMILY
Welcome to the ServSwitch
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.
That’s because our ServSwitch family is all about breaking away from the
traditional, expensive model of computer management. You know, the one-sizefits-all-even-if-it-doesn’t model that says, “One computer gets one user station, no
more, no less.” Why not a single user station (monitor, keyboard, and mouse) for
multiple computers—even computers of different platforms? Why not a pair of
user stations, each of which can control multiple computers? Why not multiple
user stations for the same computer?
With our ServSwitch products, there’s no reason why not. We carry a broad line
of robust solutions for all these applications. Do you have just two PCs, and need
an economical alternative to keeping two monitors, keyboards, and mice on your
desk? Or do you need to share dozens of computers, including a mix of IBM
®
PC,
RS/6000
®
, Apple®Macintosh®, Sun Microsystems®, and SGI®compatibles among
multiple users with different access levels? Does your switch have to sit solidly on a
worktable and use regular everyday cables? Or does it have to be mounted in an
equipment rack and use convenient many-to-one cables? No matter how large or
small your setup is, no matter how simple or how complex, we’re confident we
have a 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 new ServSwitch™ Jr. MP unit, including
how to install, operate, and troubleshoot it. For an introduction to the
ServSwitch Jr. MP unit itself, see Chapter 2. The ServSwitch Jr. MP product codes
covered in this manual are:
SW627A-R2
SW628A-R2
2
SERVSWITCH™ JR. MP
TRADEMARKS USED IN THIS MANUAL
BLACK BOX and the logo are registered trademarks, and ServSwitch,
ServSwitch Jr., and ServSwitch Jr. MP are trademarks, of Black Box Corporation.
Apple, Mac, and Macintosh are registered trademarks, and G3 and G4 are
trademarks, of Apple Computer, Inc.
IBM, PC/AT, PS/2, RS/6000, and ThinkPad are registered trademarks, and
PC/XT is a trademark, of International Business Machines Corporation.
Microsoft, Windows, and IntelliMouse are registered trademarks or trademarks of
Microsoft Corporation in the United States and/or other countries.
Sun Microsystems is a registered trademarks of Sun Microsystems, Inc. in the
United States and other countries.
Any other trademarks mentioned in this manual are acknowledged to be the property of the
trademark owners.
3
FCC/IC STATEMENTS
FEDERAL COMMUNICATIONS COMMISSION AND 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 J of Part 15 of FCC rules, which are designed to
provide reasonable protection against such interference when the equipment is
operated in a commercial environment. Operation of this equipment in a
residential area is likely to cause interference, in which case the user at his own
expense will be required to take whatever measures may be necessary to correct the
interference.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise emission from digital
apparatus set out in the Radio Interference Regulation of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le
brouillage radioélectrique publié par Industrie Canada.
4
SERVSWITCH™ JR. MP
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.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca
de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc..
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que
sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá
a lo descrito en las instrucciones de operación. Todo otro servicio deberá ser
referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,
alfombra o superficie similar puede bloquea la ventilación, no se debe colocar
en libreros o gabinetes que impidan el flujo de aire por los orificios de
ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del
tipo descrito en el instructivo de operación, o como se indique en el aparato.
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 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.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas
de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea
usado por un largo periodo de tiempo.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.
6
SERVSWITCH™ JR. MP
Contents
Chapter Page
1. Specifications ............................................................................................. 8
2. Introduction ............................................................................................. 10
2.1 The Complete Package ..................................................................... 10
2.2 Operating Features ........................................................................... 10
2.3 The Front Panel ................................................................................ 12
2.4 The Rear Panel .................................................................................. 13
2.5 Cable Requirements ......................................................................... 14
2.6 Equipment Requirements ................................................................ 14
3. Installation ................................................................................................ 15
3.1 Rackmounting (Optional) ............................................................... 15
3.2 Connecting the Monitor, Keyboard, and Mouse ............................ 15
3.3 Connecting the CPUs ....................................................................... 16
3.4 Powering Up the System ................................................................... 17
3.5 Switching from the Keyboard ........................................................... 17
4. Operation ................................................................................................. 18
4.1 Guidelines for Using the ServSwitch Jr. MP with
Your Equipment ........................................................................... 18
4.1.1 CPUs ........................................................................................ 18
4.1.2 Mouse and Keyboard .............................................................. 18
4.1.3 Monitor .................................................................................... 20
4.2 Keyboard-Command Summary ........................................................ 23
4.3 The Commands in Detail ................................................................. 25
4.3.1 Selecting a Port from the Shared Keyboard ......................... 25
4.3.2 Switching to the Next or Previous Port ............................... 25
4.3.3 Scan Mode ............................................................................. 25
4.3.4 Reset ...................................................................................... 25
4.3.5 Send Null Byte (PC CPUs with PS/2 Mouse Ports Only) ... 26
4.3.6 Identify ROM ........................................................................ 26
4.3.7 Keep Settings ......................................................................... 26
4.3.8 Set Maximum Ports (SW628A-R2 Only) .............................. 27
4.3.9 Set Scan-Delay Time ............................................................. 27
4.3.10 Set Keyboard Mode (PC CPUs Only) .................................. 27
4.3.11 Set Keyboard Typematic ....................................................... 29
4.3.12 Set Apple Emulation ............................................................ 31
4.3.13 Set Mouse Translation (PC CPUs with
Serial Mouse Ports Only) ................................................ 33
7
TABLE OF CONTENTS
Chapter Page
5. Troubleshooting ...................................................................................... 34
5.1 Restoring Factory-Default Settings ................................................... 34
5.2 Common Problems ........................................................................... 35
5.2.1 CPU Doesn’t Boot ................................................................. 35
5.2.2 Can’t Switch Ports from Keyboard ....................................... 36
5.2.3 Typed Characters Wrong or Missing (PC CPUs Only) ...... 36
5.2.4 Can’t Switch/Scan to Certain Ports
(SW628A-R2 Only) .......................................................... 36
5.2.5 ServSwitch Jr. MP Scans or Switches to Empty Ports
(SW628A-R2 Only) .......................................................... 36
5.2.6 Mouse Driver Doesn’t Load ................................................. 37
5.2.7 Can’t Access Mouse Functions ............................................. 37
5.2.8 PS/2 Mouse Gets Out of Sync (PC CPUs with
PS/2 Mouse Ports Only) ................................................... 37
5.2.9 Mouse Doesn’t Move Pointer/Cursor ................................. 38
5.2.10 Display is Fuzzy ...................................................................... 38
5.2.11 Video Not Synchronized or Wrong Color ........................... 38
5.2.12 Can’t Access High-Resolution Mode (PC CPUs Only) ....... 39
5.2.13 CPUs Lock Up When Windows 3.x Loaded ........................ 39
5.2.14 ServSwitch Jr. MP Doesn’t Work with Docking Station ...... 39
5.2.15 ServSwitch Jr. MP Doesn’t Work with
Dongle-Protected Software .............................................. 39
5.2.16 ServSwitch Jr. MP Doesn’t Work with IBM ThinkPad ........ 39
5.3 Calling Black Box .............................................................................. 40
5.4 Shipping and Packaging ................................................................... 40
Appendix A: NVRAM Factory Defaults ......................................................... 41
Appendix B: Cable Product Codes ................................................................ 42
Appendix C: Rackmounting the ServSwitch Jr. MP ...................................... 44
8
SERVSWITCH™ JR. MP
1. Specifications
Compliance — FCC Part 15 Subpart J Class A, IC Class/classe A
Standards — With original Serv cabling: VGA (color or monochrome/
page white) and Apple Macintosh video;
With original Serv cabling (minimal) or coaxial cabling
(recommended): SVGA video;
With coaxial cabling: XGA (color or monochrome) and
Apple Macintosh video
Interfaces — VGA/SVGA/XGA (to monitor);
PS/2 keyboard and mouse;
PC port(s):
Proprietary composite of IBM PC/AT or PS/2
keyboard, RS-232 or PS/2 mouse, and VGA/SVGA/
XGA video;
MAC port(s):
Proprietary composite of Apple Macintosh keyboard,
mouse, and video
Resolution — With original Serv cabling: Up to 1024 x 768
noninterlaced;
With coaxial cabling: Up to 1600 x 1280 noninterlaced
Refresh Rate — Up to 100 Hz
Maximum
Distance — Depending on the CPU, monitor, and video resolution
(see Section 4.1.3), either:
20 ft. (6.1 m) of original Serv cable from the
ServSwitch Jr. MP to any CPU; or
20 ft. (6.1 m) of coaxial cable—possibly as much as
100 ft. (30.5 m) depending on CPUs—from any
ServSwitch Jr. MP to any device attached to it
User Controls — Keyboard commands;
Front-mounted membrane switches:
Both models: (1) for resetting the Switch;
SW627A-R2: (2) for port selection;
SW628A-R2: (4) for port selection
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CHAPTER 1: Specifications
Indicators — Both models: (1) for Switch’s power status;
SW627A-R2: (2) for port status;
SW628A-R2: (4) for port status
Connectors — All rear-mounted;
Both models:
(1) HD15 female for VGA monitor;
(2) 6-pin mini-DIN female:
(1) for PS/2 keyboard, (1) for PS/2 mouse;
SW627A-R2: (2) numbered DB25 female for CPUs;
SW628A-R2: (4) numbered DB25 female for CPUs,
(1) 3.5-mm barrel jack for power
Maximum
Altitude — 10,000 ft. (3048 m)
Temperature
Tolerance — 32 to 131˚F (0 to 55˚C)
Humidity
Tolerance — 5 to 80% noncondensing
Enclosure — Steel
Power — 5 VDC at up to 1 A, either from the keyboard-power
leads of the attached computers or from the included
PS255 external power supply:
Input: 115 to 230 VAC at 50 or 60 Hz from utility-
power (mains) outlet through detachable input cord
and IEC 320 male inlet on transformer
Size — 1.75"H (1U) x 8.8"W x 3.5"D (4.4 x 22.4 x 8.9 cm)
Weight — Net: 3 lb. (1.4 kg); Shipping: 4 lb. (1.8 kg)
10
SERVSWITCH™ JR. MP
2. Introduction
Thank you for choosing a ServSwitch Jr.™ MP. Designed with your needs in mind,
your new Switch will simplify your job by helping you organize your multiplecomputer application. Because the ServSwitch Jr. MP lets you use a single
keyboard, monitor, and mouse to access one or two IBM
®
PC compatible
computers and one or two Apple
®
Macintosh®compatible computers, you can
significantly reduce your equipment overhead and end keyboard and monitor
clutter.
This chapter describes everything that comes with the Switch, the external and
operating features of the Switch, and the cabling you’ll need for the Switch.
2.1 The Complete Package
Your ServSwitch Jr. MP package includes the ServSwitch Jr. MP, its power supply,
and this manual. If anything arrived damaged, contact Black Box.
2.2 Operating Features
• With the 2-port model (SW627A-R2), you can access one IBM PC compatible
CPU and one Apple Mac
®
compatible CPU with one keyboard, monitor, and
mouse. With the 4-port model, you can access two of each.
• Microprocessor-controlled keyboard and mouse switching.
• Supports all modes of PS/2
®
compatible keyboards.
• Remaps the keys of the IBM keyboard to support all Apple keyboard functions.
• Mouse can be any 2-button PS/2 type by Microsoft
®
or Logitech™, including a
PS/2 “wheel mouse” such as the Microsoft IntelliMouse
®
.
• Simultaneously supports IBM type CPUs with either PS/2 or RS-232 mouse
ports.
• Support SVGA and color or monochrome XGA or VGA video at resolutions up
to 1600 x 1280 noninterlaced, at refresh rates up to 100 Hz (although all video
types except VGA require coaxial or special cables).
• Support Mac video at 640 x 480 resolution; many other resolutions and several
sync options are available if you attach a Mac Adapter for ServSwitch (our
product code KV99MA).
11
CHAPTER 2: Introduction
• If your application is not very demanding, the Switch can operate using only a
portion of the attached computers’ keyboard power. For higher-level
applications, an external power supply is included.
• You can select the desired CPU from your keyboard or from the Switch’s front
panel.
• Front-panel LEDs show which CPU is selected.
• The units remember and restore Num Lock, Caps Lock, Scroll Lock, and
keyboard mode for each CPU.
• Scan function can sequence between CPUs every 1 to 15 seconds.
• Screen-save function can turn off video after 1 to 999 seconds of inactivity.
• You can program the keyboard’s typematic rate and delay.
• Custom settings for each CPU can be saved in nonvolatile memory.
• Rackmount kits are also available.
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SERVSWITCH™ JR. MP
2.3 The Front Panel
The ServSwitch Jr. MP’s front panel features three or five membrane switches and
the same number of LED indicators. To familiarize yourself with these controls and
indicators, refer to Figure 2-1 and the descriptions that follow.
Figure 2-1. The front panel of a 4-port ServSwitch Jr. MP (SW628A-R2).
STATUS Status LED: Lights to indicate that the Switch is powered ON.
LEDs 1, 2, 3, 4 Port-Selection LEDs: Light if the corresponding port is
currently selected.
RESET Reset Switch: Press to reset the Switch and reinitialize the
shared keyboard and mouse; also used to restore the Switch to
its factory-default state.
Switches 1, 2, 3, 4 Port-Selection Switches: Press to select the corresponding CPU
port.
NOTE
On the 2-port (SW627A-R2) model, LED 1 and switch 1 are for the PC
CPU, LED 2 and switch 2 are for the Mac CPU. On the 4-port
(SW628A-R2) model, LEDs 1 and 2 and switches 1 and 2 are for the PC
CPUs, LEDs 3 and 4 and switches 3 and 4 are for the Mac CPUs.
1234STATUS
RESET
PC
Mac
21
43
13
CHAPTER 2: Introduction
2.4 The Rear Panel
All cable connections are made at the ServSwitch Jr. MP’s rear panel, as illustrated
(in Figure 2-2) and described below.
Figure 2-2. The rear panel of a 4-port ServSwitch Jr. MP (SW628A-R2).
Panel Label Connector Description
Ports 1, 2, 3, 4* DB25 F Connect the sharing computers to these ports with
special CPU Cables. At the Switch end, these cables
have a DB25 male connector; at the other ends,
they have appropriate connectors to plug into your
CPUs’ video, keyboard, and (on PC CPUs) mouse
ports. These cables take the signals that would
normally pass between the CPUs’ ports and the
monitor, keyboard, and mouse, and carry them
between the CPUs’ ports and the ServSwitch Jr. MP
instead.
* On the 2-port (SW627A-R2) model, port 1 is for the PC CPU, port 2 is for the Mac
CPU. On the 4-port (SW628A-R2) model, ports 1 and 2 are for the PC CPUs,
ports 3 and 4 are for the Mac CPUs.
(VGA HD15 F Attach the shared monitor’s video cable directly to
MONITOR) this port.
(PS/2 6-pin mini- Attach the shared PS/2 type (regular or wheel)
MOUSE) DIN F mouse directly to this port.
(PS/2 6-pin mini- Attach the shared PS/2 type keyboard, attach it
KEYBOARD) DIN F directly to this port.
[None] 3.5-mm Attach the power supply’s output cord to this jack.
barrel jack
4
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3
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