Extron Electronics MPX 866 A User Guide - Manual (Page 64)

Rear Panel Remote Ports
Function Pin
TX
RX
Gnd
Transmit data
Receive data
Signal ground
RS-232
PRIMARY
RS-232
SECONDARY
Tx Rx
Tx Rx
Controlling
Device
Ground ( )
Receive (Rx)
Transmit (Tx)
Ground ( )
Receive (Rx)
Transmit (Tx)
Bidirectional
Do not tin the wires!
Figure 27. Remote Connector Pin Assignments
Front Panel Configuration Port
NOTE: This port parallels the rear panel RS-232 Secondary port. If a front panel
configuration connection is made, the rear panel RS-232 Secondary port
becomes inactive and the front panel Configuration port is active.
The optional 9-pin D to 2.5 mm mini jack TRS RS-232 cable, part number 70-335-01
(see figure 28) can be used for connection to the Configuration port.
6 feet
(1.8 m)
5
1
9
6
Sleeve (Gnd)
Ring
Tip
9-pin D Connection TRS Plug
Pin 2 Computer Rx line Tip
Pin 3 Computer Tx line Ring
Pin 5 Computer signal ground Sleeve
Figure 28. Optional 9-pin TRS RS-232 Cable
MPX 866 A Media Presentation Matrix Switcher • Programming Guide 59