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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
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
RS-232 MUTE
RxTx 1G2
REMOTE
the DP DA2 and the computer or
control system.
wire, tie the drain wire to ground at
both ends.
(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 SIS Commands on page14.
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
RxTx 1
G2
REMOTE
RS-232
RS-232 MUTE
RxTx 1
G2
REMOTE
Mute
DB9 Pin Locations
Female
51
96
DP DA2 • Panel Features 9