Black Box ACU3009A Betriebsanweisung PDF herunterladen (Seite 46)

APPENDIX B: AUDIO/SERIAL PORTS

Appendix B: Audio/Serial Ports

Operation and Multi-Port Configuration

This appendix describes audio & serial interface operation for the following CATx KVM

Micro Extenders:

• ACU3022A

• ACUWREM

• ACU1006MRVA

These extender products contain daughter boards that allow bi-directional stereo audio and a

full-duplex serial data link to be sent across the CATx interconnection cable in addition to

PS/2 keyboard, mouse and video.

Serial Interface Setup and Operation

Set up and Operation

No setting up or user adjustments are required.

The Remote Unit’s serial port is wired as DTE - the same as that on a PC. To connect a serial

printer or other DTE (rather than DCE device) to the Remote Unit, you will need a Null-

Modem crossover cable between the Remote Unit and the printer. Select Xon/Xoff software

flow control on the printer and PC.

A serial touch screen may be plugged directly into the Remote Unit.

Handling Multiple Serial Devices

The extender’s serial interface transmits/receives six signals (3 signals in each direction).

Normally, four of these signals are used for hardware handshaking (in addition to TX & RX).

However, because each handshaking line can support signals up to 19,200 Baud it is possible

to configure the serial interface to handle up to three simple 2-wire (Tx/Rx only) serial links.

To do this, you will need to construct a custom breakout cable. Please contact Technical

Support for further information.

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Black Box ACU3009A Betriebsanweisung Seite 46