Black Box SERVSWITCH Series - Calling Black Box

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SERVSWITCH BRAND CAT5 KVM EXTENDER FOR SUN
When using UTP, what’s the best way to make sure that the system does not suffer from any
interference?
The extender is designed to withstand high levels of interference while driving
signals over long stretches of UTP. To further reduce the potential for
interference, consider taking these actions:
a) Make sure that the extender’s Remote Unit, the remote monitor or KVM
switch, and the local Sun CPU or KVM switch are all connected to the same
utility-power (mains) phase.
b) Make sure that the AC voltage across the utility-power (mains) grounds (at
both the local CPU and remote monitor) is less than 2V.
c) Use a “clean earth” or “clean grounding” system (if your site has one
installed).
d) Route the interconnection cable away from generators, motors, compressors,
fluorescent lights, and other cables.
e) Try STP cable if you think noise could be a problem.
This interconnect cable is exactly like the cable I use on my LAN. Can I connect the extender
to my network?
Absolutely not. Regardless of the cable similarities, the data signals and voltages
used by the extender are totally different from those used by Ethernet and other
types of networks. Connecting the extender to a LAN hub, switch, repeater, or
other network device, or exposing it to the signal levels present on network data
lines, is a sure way to blow out the extender, and could damage other devices
attached to the extender as well.
Can I rackmount the extender?
Yes, using rackmount kits that are available separately. See Appendix B.
8.3 Calling Black Box
If you determine that your CAT5 KVM Extender for Sun is malfunctioning, do not
attempt to alter or repair it. It contains no user-serviceable parts. Contact Black Box
Technical Support at 724-746-5500.
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 firmware-revision level printed on the bottom of the extender (very
important, especially for keyboard and mouse problems);
• the nature and duration of the problem;