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XTP SR HDMI Scaling Receiver • Installation 9
RS-232 and IR Over XTP 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. To pass bidirectional serial command
signals between XTP-compatible devices, connect a control device to the three leftmost
poles (Tx, Rx, and G) of the 5-pole captive screw connector. To transmit and receive IR
signals, connect a control device to the three rightmost poles (G, Tx, and Rx). The
ground (G) pole is shared.
NOTE: RS-232 and IR data can be transmitted or received simultaneously (see figure 6
below for wiring considerations).
Tx/Rx
Pins
RxTx
RS-232
RxTx
TxRx
RxTx
Custom
IR Device
RS-232 Device
G
G
G
IR
Figure 6. Wiring the RS-232 and IR Over XTP Connector
ATTENTION: The length of exposed wires in the stripping process is critical.
ATTENTION : La longueur des câbles exposés est primordiale lorsque l’on entreprend
de les dénuder.
• The ideal length is 3/16 inch (5 mm).
• La longueur idéale est de 5mm (3/16inches).
• Any longer and the exposed wires may touch, causing a short circuit between
them.
• S’ils sont un peu plus longs, les câbles exposés pourraient se toucher et provoquer
un court circuit.
• Any shorter and the wires can be easily pulled out even if tightly fastened by the
captive screws.
• S’ils sont un peu plus courts, ils pourraient sortir, même s’ils sont attachés par les
vis captives.
Power Connection
Apply power to the scaling receiver locally with the provided power supply or remotely with
a power injector or a matrix switcher.
ATTENTION:
• XTP remote power is intended for indoor use only. No part of the network that uses
XTP remote power should be routed outdoors (see Remote power on
page 11).
• XTP à distance est destiné à une utilisation en intérieur seulement. Aucune partie
du réseau qui utilise l’alimentation XTP à distance ne peut être routée en extérieur
(voir Remote power à la page 11).