Extron electronics DXP DVI Pro Setup Manual page 17

An optional 9-pin D to 2.5 mm mini jack TRS RS-232 cable, part
number 70-335-01, is available to connect to this port. (The port does
not support RS-422.) The figure below shows the pin assignments for
this cable.
1
6
6
9
9
5
9-pin D Connection
Pin 2 Computer Rx line
Pin 3 Computer Tx line
Pin 5 Computer signal ground
Figure 9. 2.5 mm Connector Cable for the Configuration Port
6 feet
(1.8 m)
Part #70-335-01
TRS Plug
Tip
Ring
Sleeve
DXP DVI Pro and DXP HDMI Series • Setup
Tip
Ring
Sleeve (Gnd)
11