Black Box ACU3009A Specifications download pdf (Page 56)

CHAPTER 8: Troubleshooting

When using UTP, what’s the best way to make sure that the system does not suffer from any

interference?

The Micro Extender is designed to withstand high levels of interference while

driving signals over UTP. To further reduce the potential for interference,

consider taking these actions:

a) Make sure that the Micro Extender’s Remote Unit; remote monitor, serial

device, audio devices, and/or KVM switch; and local 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 PC or switch and remote monitor or switch) 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 Micro

Extender to my network?

Absolutely not. Regardless of the cable similarities, the data signals and voltages

used by the Micro Extender are totally different from those used by Ethernet and

other types of networks. Connecting the Micro 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.

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Black Box ACU3009A Specifications Page 56