Wiring For Rs-232 Control - Extron electronics SW HDMI Series User Manual

Wiring for RS-232 Control

Use a female 9-pin D to bare wire RS-232 cable or a universal control cable (UC50' or
UC100') to connect your computer or control system to the RS-232 pins of the Remote
connector.
1.
2.
3.
Figure 5 shows how to wire this shared connector for RS-232.
RS-232 Auto
Tx Rx G
Figure 5.
Wire the unterminated end of the RS-232 cable to the provided 5-pole captive screw
plug as described below. Connect the transmit, receive, and ground wires of the
cable to the first three pins on the connector, starting at the left:
Connect the transmit wire to pin 1, which plugs into the Tx (transmit) port.
•
Connect the receive wire to pin 2, which plugs into the Rx (receive) port.
•
Connect the ground wire to pin 3, which plugs into the G (ground) port.
•
Plug the 5-pole connector into the Remote receptacle on the rear panel of the
switcher.
Connect the other end of the cable to the appropriate computer or control system
connector.
SW HDMI Series Switcher
Rear Panel
Remote Port
NOTE: If you use cable that has a drain
wire, tie the drain wire to ground at both ends.
Ground (G)
Receive (Rx) Transmit (Tx)
Transmit (Tx) Receive (Rx)
Remote Connector Pin Assignments
Computer or
Control System
RS-232 Port
SW HDMI Series • Installation 8