Rear Panel Remote Ports; Front Panel Configuration Port - Extron electronics MPX Plus 866 A User Manual

Rear panel Remote ports

N See "Selecting the RS-232 Primary port's baud rate", in chapter 3, "Operation",
RS-232
PRIMARY
Tx Rx
RS-232
SECONDARY
Tx Rx
Figure 4-1 — RS-232 connector pin assignments

Front panel Configuration port

N This port parallels the rear panel RS-232 Secondary port. If a front panel
The optional 9-pin D to 2.5 mm mini jack TRS RS-232 cable, part #70-335-01
(figure 4-2) can be used for connection to the Configuration port.
1
5
9-pin D
Pin 2
Pin 3
Pin 5
Figure 4-2 — Optional 9-pin TRS RS-232 cable
MPX Plus 866 A Media Presentation Matrix Switcher • SIS Programming and Control
to configure the RS-232 Primary port from the front panel.
Pin Function
TX Transmit data
RX Receive data
Gnd Signal ground
Do not tin the wires!
Bidirectional
Ground ( )
Receive (Rx)
Transmit (Tx)
configuration connection is made, the rear panel RS-232 Secondary port becomes
inactive and the front panel Configuration port is active. The two paralleled
ports' protocol can be changed via SIS command control only. See the "Set serial
port parameters" command in "Command/response table for IP-specific SIS
commands" on page 4-20 to configure this port under SIS control.
Part #70-335-01
6
9
Connection
Computer's RX line
Computer's TX line
Computer's signal ground
Controlling
Device
Ground ( )
Receive (Rx)
Transmit (Tx)
6 feet
(1.8 m)
TRS Plug
Tip
Ring
Sleeve
Tip
Ring
Sleeve (Gnd)
4-3