Black Box ServShare II KV421A User manual

Access a single computer or KVM switch
via two or four consoles.
Access a single computer or KVM switch
via two or four consoles.
ServShare II
© 2007. All rights reserved. Black Box Corporation.
FREE 24-hour Tech Support: 724-746-5500
blackbox.com

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10/1/2007
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FEATURES
• Automatic sharing/switching on a
timeout basis.
• Displays video to four user stations
simultaneously.
• Supports high-resolution 1900 x 1440
video using 280-MHz amplifiers.
• Ideal for console sharing, video splitting,
and resource-sharing applications.
• Flash upgrades ensure future
compatibility.
Expand the number of consoles that share
access to your computer or KVM switch. Use the ServShare II as a video splitter
and broadcast device.
Share resources with the ServShare II.
OVERVIEW
Suppose you have a small office with two to four computer
users and want to access a single central CPU or KVM switch.
Expand the number of consoles that share access to your
computer or switch with the ServShare™II. Available with two
or four ports, the ServShare II can be used for video splitting,
resource sharing, and KVM matrix applications.
The ServShare II features high bandwidth and video boost.
Substantial bandwidth (up to 280 MHz) ensures that
maximum amounts of data can be transmitted. Video boost
amplifies the video signal to compensate for losses caused
by long video cables. So not only do you get maximum data
transfer with the ServShare, but you can also transfer the
data over long runs of video cable (up to 96 feet [29.3 m]).
The ServShare supports high video resolutions up to
1600 x 1280. And it even supports super high resolutions
exceeding 1900 x 1440 when short cables are used.
To ensure maximum future compatibility, the ServShare
firmware is stored in flash-upgradeable memory that you
can upgrade from the keyboard port.
Power the ServShare II either from the attached computer
via the keyboard interface or from an optional power supply
(call Tech Support for details).
While distributing the video signal to all of the consoles,
the ServShare automatically manages access to the computer
or ServSwitch on a timeout basis by allowing only one KVM
console to be active at any one time. When a console is
inactive, the keyboard’s num, caps, and scroll lights flash.
After the ServShare has detected no keyboard or mouse
activity from the active console for the timeout period, it
enables the other consoles to access the central computer.
The ServShare II works with popular ServSwitch models
such as the ServSwitch Duo and Quadro. In these applications,
it’s configured as a “square matrix.” A square matrix system is
defined as one that has about the same number of console
connections as user connections. Using a combination of
ServShare and ServSwitch Quadro products, construct a
16-x-16 matrix KVM switch with a high degree of built-in
redundancy.
ServShare II
(KV421A)
ServShare II
(KV421A)
ServShare II
(KV421A)
CPU Video source
User 1 CPU
ServSwitch ServSwitch
User 1 User 2 User 2 CPU
Shared resource
CPU
User consoles User consoles

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10/1/2007
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724-746-5500 blackbox.com
TECH SPECS
Share Mode — Automatic with 2- or 5-second timeout, inactive consoles
indicated by flashing keyboard indicators
Keyboard Support — PS/2®and AT®compatible (using modes 1, 2, and 3);
Supports extra keys on Internet style keyboards transparently
Mouse Support — 2-button, 3-button, wheel, and IntelliMouse®style mice
with PS/2 connections
Video — 280 MHz analog video at resolutions up to 1900 x 1440 DDC
connected to monitor port 1
Cable Lengths — 96 ft. (29.3 m) maximum cable run (input plus output)
for video only applications when used with power supply
Hardware Compatibility — IBM®compatible PCs, Alpha, SGI™, and
RS/6000®ServSwitch™products; Special integration features provided
for operation with ServSwitch Duo™and Quadro™products
Software Compatibility — Windows®3.x/95/98/XP/Me, Windows NT®,
Windows 2000, DOS, NetWare®, Linux®, UNIX®
Flash Upgradeability — Via the keyboard port from a computer
Connectors — KV221A: Video: (3) HD15 F; Keyboard and mouse:
(6) 6-pin mini-DIN (color-coded); Power: (1) 2.5-mm connector;
KV421A: Video: (5) HD15 F; Keyboard and mouse: (10) 6-pin mini-DIN
(color-coded); Power: (1) 2.5-mm connector
Indicators — Per unit: (1) Power LED;
Per port: Keyboard and mouse activity LEDs
Power — Input: 100–240-VAC desktop power supply, 50–60 Hz;
Output: 5 V DC, 2 A; fuse protected with auto-resettable fuse
Size — KV221A: 1"H x 5.7"W x 3"D (2.5 x 14.5 x 7.6 cm);
KV421A: 1.7"H x 5.7"W x 3"D (4.3 x 14.5 x 7.6 cm)
Weight — 1 lb. (0.5 kg)
Item Code
ServShare II
2-Port KV221A
4-Port KV421A
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Don’t waste time and money—call Black Box today.
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Tech Support. Period.
KV421A