Extron Electronics PowerCage FOX Tx_Rx HDMI User Guide - Manual (Page 17)

3. Place the LockIt lacing bracket on the screw and against the HDMI connector, then
tighten the screw to secure the bracket (
c ).
ATTENTION: Do not overtighten the HDMI connector mounting screw. The shield
to which it fastens is very thin and can easily be stripped.
4. Loosely place the included tie wrap around the HDMI connector and the LockIt lacing
bracket as shown (
d ).
5. While holding the connector securely against the lacing bracket, use pliers or a similar
tool to tighten the tie wrap, then remove any excess length (
e ).
RS-232 connectors
The RS-232 Over Fiber port is for transmission of serial signals, such as projector control
signals, between the transmitter and receiver.
The Remote RS-232 port is for remote control of the transmitter and receiver. The protocol
for the Remote RS-232 port is as follows:
• 9600 baud • no parity • 8 data bits
• 1 stop bit • no flow control
Do not tin the wires!
Controlling
Device
Ground ( )
Receive (Rx)
Transmit (Tx)
Ground ( )
Receive (Rx)
Transmit (Tx)
Bidirectional
Function Pin
Tx
Rx
Gnd
Transmit data
Receive data
Signal ground
RS-232
OVER FIBER
Tx Rx
1 2
REMOTE
RS-232
Tx Rx
ALARM
NOTE: Cross the Tx and Rx lines once between
the source and the target.
Figure 8. RS-232 Over Fiber Connector
NOTE: 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.
PowerCage FOX HDMI • Installation and Operation 11