Ports
Serial (RS422) Port
The female DB9 serial port supports the RS-422 transmission standard.
Signal
Pin
Ground
1
Tx-
2
Rx+
3
Rx-Ground
4
n/c
5
Tx-Ground
6
Tx+
7
Rx-
8
n/c
9
LTC Port
Signal
Pin
Ground
1
LTC-
2
LTC+
3
AES Audio Port
Tria Express DUET User Manual (v01) — Ports • 87