Control connector wiring – Extron Electronics MTP_HDMI U R User Guide User Manual
Page 14
Control Connector Wiring
For the 3-pole (digital side) RS-232 pass-through connector, wire as shown below:
Ground
Receive pin on connected unit
Transmit pin on connected unit
Connected RS-232
Device Pins
Tx/Rx
Pins
Rx
Tx
Figure 10.
3-pole RS-232 Connector Wiring
For the 5-pole (analog side) RS-232 connector, wire as shown below:
Ground
Tx
Rx
Gnd
Receive
Transmit
Connected RS-232
Device Pins
MTP/HDMI U R
Pins
Spare
Spare
Figure 11.
5-pole RS-232 Connector Wiring
CAUTION: The length of the exposed (stripped) copper wires is important. The ideal
length is 3/16 inch (5 mm). Longer bare wires can short together and
shorter wires are not as secure in the connectors and could be pulled out.
NOTE: Do not tin the wires before installing them in the connector. Tinned wires are
not as secure and could be pulled out.
MTP/HDMI U R • Cabling
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