Pro Tools | MTRX Installation Guide20
Connections 1–4 / 5–8
Connections for the combined input and output 25-pin D-sub connector are listed in the table below. The
pinning is according to the proprietary standard by Tascam.
Pin number Function Pin number Function
1 DOUT 4/8 + 14 DOUT 4/8 –
2 GND 15 DOUT 3/7 +
3 DOUT 3/7 – 16 GND
4 DOUT 2/6 + 17 DOUT 2/6 –
5 GND 18 DOUT 1/5 +
6 DOUT 1/5 – 19 GND
7 DIN 4/8 + 20 DIN 4/8 –
8 GND 21 DIN 3/7 +
9 DIN 3/7 – 22 GND
10 DIN 2/6 + 23 DIN 2/6 –
11 GND 24 DIN 1/5 +
12 DIN 1/5 – 25 GND
13 N.C.