Does anyone know the DS-1 pinouts for the avaya definity 50 pin male AMP cable that plugs on the back of a definity? I have to make one up, but need the TX & RX pairs.

Thanks!

22 O/V =LI(rx)
47 V/O =LI(rx)high-side of line

23 G/V =LO (tx)high-side of line
48 V/G =LO (tx)

Thank You! It works!