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2 of 3, Features, Overview – Black Box CAT5 KVM User Manual

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2 of 3

7/3/2007
#24466

724-746-5500

blackbox.com

FEATURES

• Drives Sun keyboard, video, and mouse

signals over as much as 1000 feet
(304.8 m) of Category 5 cable.

• Supports resolutions up to 1600 x 1280

at shorter distances.

• Fully adjustable video equalization

and fully buffered signals.

• Intelligent keyboard and mouse

emulation for hot-plugging and
autobooting.

• Rackmountable.

• Dual-access model supports both

local and remote user stations.

Installations with KVM switches are a little trickier,

but CPUs, monitors, keyboards, and mice just plug right in.

OVERVIEW

People asked us, “Why don’t you offer a keyboard/video/

mouse extender for Sun

®

Microsystems

®

computers?” We do

now! Use the ServSwitch

Brand CAT5 KVM Extender for Sun

to control a Sun Microsystems CPU from a monitor, keyboard,
and mouse as much as 1000 feet (304.8 m) away.

The single-access extender (ACU1004A) consists of a local

unit to which you’ll attach the CPU and a remote unit to
which you’ll attach the monitor/keyboard/mouse user station.
You can also attach a local user station to the dual-access
extender (ACU1005A).

You can run inexpensive Category 5 cable between the

extender’s local and remote units. (To use CAT5e or CAT6
cable, call Technical Support.) The extender can transmit video
resolutions as high as 1600 x 1280 across this cable, although
cable runs must be kept shorter than the absolute maximum
length to faithfully reproduce any resolution higher than
1024 x 768. Refer to the Resolution specification on the
next page.

User-station equipment attaches directly to the extender,

and a CPU can be attached to the local unit with included
extension cables. ServSwitch family KVM switches can also be
attached to the extender with the proper CPU or user cables—
call Tech Support if you want to do this.

The extender buffers all of the signals it carries, so you’ll

enjoy smooth, transparent control. Use the remote unit’s
Brightness and Focus dials to get the best possible images
on screen at the remote user station.

Because the local unit always emulates a directly attached

keyboard and mouse, you can unplug and replug any
keyboard or mouse attached to the extender at any time
without disrupting the booting or operation of your Sun CPU.

You can mount a local or remote unit of either extender

model in a 19" rack using an extender rackmount kit

(available separately). The units take up only 1U of rack space.

Ordinarily the two user stations attached to a dual-access

extender will contend for access. One station will be granted
control while the user at that station is typing at their key-
board or moving the mouse. Once this activity stops and a
two- or fifteen-second “inactivity timeout” (you set how long)
elapses, the user at the other station can take control.

However, in sensitive situations, users can put the extender

in private mode to take exclusive, uninterruptible control.

CAT5 interconnect cable

Remote unit

Remote monitor, keyboard,

and mouse

Local monitor, keyboard,

and mouse

Local unit

CPU

Extension cables

(included)

Power
supply

• Solid-core 4-pair Category 5 UTP or STP, pinned and

paired according to TIA/EIA-568A or (preferably) TIA/EIA-
568B, to run from your local unit to your remote unit.
(Bulk CAT5 cable should be terminated with high-quality
RJ-45 plugs.) If possible, do not use cable such as
Category 5e or Category 6. If such cable is already
installed at your site, you will need a delay line module
or skew compensator. Call Black Box for details.

• A monitor for each user station (each monitor must

work when attached directly to any of the CPUs
connected to the extender).

• A standard 118-key Sun keyboard for each user station

where users will need keyboard control.

• A standard 3-button Sun mouse for each user station

where users will need mouse control.

• AC-power and data-line surge protectors.
• Rackmount kits.
• If you’re attaching ServSwitch family KVM switches:

compatible user cables and/or CPU cables.

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