User guide

Contact Closure Communication
Each port senses an external switch or contact closure. Use these ports to select an input
on the switcher. Wire the connector as shown in figure 6 below.
CONTACT
123G
Ground
Wire Nut
Device 3
Device 2
Device 1
(Switches,
relays, or
similar items)
Switch
1
2
3
G
Heat
Shrink
Over
Shield
Wires
Figure 6. Wiring the Contact Closure Connector
RS-232 and IR Communication
The RS-232 and IR Over XTP connector is for pass-through transmission of serial signals,
such as projector control signals, and Infrared data (see figure 7 below for an example of
how to wire the connector).
Tx/Rx
Pins
RxTx
RS-232
RxTx
TxRx
RxTx
Custom
IR Device
RS-232 Device
G
G
G
IR
Figure 7. Wiring the RS-232 and IR Over XTP Connector
ATTENTION: The length of exposed wires is critical. The ideal length is
3/16 inch (5 mm).
• Longer bare wires can short together
• Shorter wires are not as secure in the connectors and could be pulled out.
XTP T USW 103 • Installation 7