Extron Electronics DP DA2 User Guide - Manual (Page 14)

Rs-232 control
The RS-232 controls use the first three pins of the rear panel 5-pin captive
screw connector labeled “Remote”. The pins are labeled Tx, Rx, and G. The
ground (G) is shared with the mute controls.
Connect the DP DA2 to a control PC, as follows:
Host PC Pin DP DA2 Pin
5 (Gnd) G
2 (Rx) Tx
3 (Tx) Rx
NOTE: Connect a ground wire between
the DP DA2 and the computer or
control system.
To Computer or
Control System
RS-232 Port
DP DA2
Rear Panel
RS-232 Port
9-pin
Connector
NOTE: If you use cable that has a drain
wire, tie the drain wire to ground
at both ends.
RS-232 MUTE
Rx Tx 1 G 2
REMOTE
(Rx) Receive Pin to Transmit (Tx) Pin 3
G Ground Pin 5
(Tx) Transmit Pin to Receive (Rx) Pin 2
Alternatively, use the Config USB port to connect to the PC (see the next page). For
complete information about SIS commands, see the “
SIS Commands ” section on
page 13.
mute control
The mute controls use the third, fourth, and fifth pins of the “Remote” 5-pin
captive screw connector. They are labeled G, 1, and 2. The ground (G) is
shared with the RS-232.
Ground pin 1 (to mute output 1) or pin 2 (to mute output 2).
RS-232 MUTE
Rx Tx 1 G 2
REMOTE
RS-232
RS-232 MUTE
Rx Tx 1 G 2
REMOTE
Mute
DB9 Pin Locations
Female
5 1
9 6
DP DA2 • Panel Features 8