Black Box ACU3009A Specifications download pdf (Page 31)

SERVSWITCH™ BRAND CAT5 KVM MICRO EXTENDER

As you attach devices to the Extender, here are some things to keep in mind:

• Use caution if you’re attaching KVM switches: Different ServSwitch family KVM

switch models use different proprietary signaling between cascaded switches.

The only ServSwitch family switch models whose cascade signals the Micro

Extenders can carry are those with a regular ServSwitch style DB25 composite

interface (see the list in Section 4.2.4.B), so these are the only models for

which you can install a Micro Extender between two cascaded (master and

submaster) switch units.

Under no circumstances should you ever try to use a Micro Extender to connect

two incompatible ServSwitch models. Having an Extender between them will

not make them compatible.

• Each powered device should be powered OFF when you attach it.

• Make sure you don’t attach your keyboard and mouse, or the keyboard and

mouse strands of any multi-stranded cable, backwards. (Fortunately, the

strands of the KVM-extension cable included with the Extender—and the

similar EHN230 cable—are fairly easy to identify: The keyboard strand is

orange or purple and labeled with the picture of a keyboard, while the mouse

strand is green and labeled with the picture of a mouse.)

• If you run audio cables to and from a KVM/Serial/Audio model, make sure to

run from “audio out” on the device to “audio in” on the Extender Unit, and

vice versa.

• If your Extender is a Dual-Access model, connect your CPU or the user port of

your KVM switch to the Local Unit’s CPU port (the DB25 connector on the

bottom row) only, and connect user equipment or the CPU port of your KVM

switch to the Local Unit’s user port (the connectors on top row) only.

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Black Box ACU3009A Specifications Page 31