Extron electronics DTP CrossPoint 4K Series - Page 31

DTP CrossPoint 4K Series Matrix Switchers • Installation 23
Serial and IR port connectors
Figure 21 shows how to wire the Over TP RS-232 and IR and Remote connectors. For the
Over TP connector, the Ground (G) pin is shared by both signal types and both signal types
can be active at the same time.
Tx/Rx
Pins
Rx Tx
Tx Rx
Gnd
Gnd
RS-232 Device
IR Device
RS-232 IR
Tx Rx Tx RxG
OVER TP
TxGnd
RS-232 Device
Rx
Tx Rx G
REMOTE
Figure 21. RS-232 and IR Connectors Wiring
NOTE: The length of the exposed wires is important. The ideal length is 3/16 inch
(5 mm) (see the audio input connector NOTES on page 21 for details).
S/PDIF output connector
Figure 22 shows the cable wiring for the S/PDIF jack. This is a 75-ohm cable with a
standard RCA connector.
Tip (+)
Sleeve ( )
RCA Connector
Figure 22. Wiring an RCA Connector for the S/PDIF Jack