Table A-3. Rs-366 Dialing Port Pinouts - ADTRAN ISU 512e Manual

Appendix A. Pinouts
Pin Name I/O
1 Shield I/O
2 DPR I
3 ACR O
4 CRQ I
5 PND O
6 PWI O
7 SG I/O
13 DSC O
14 NB1 I
15 NB2 I
16 NB4 I
17 NB8 I
22 DLO O
I= Input, O= Output, N/A= Not Applicable
A-4

Table A-3. RS-366 Dialing Port Pinouts

Description
Shield for cable
Digit Present
Abandon Call and Retry
Call Request
Present Next Digit
Power Indication
Signal Ground
Distant Station Connect
Digit LSB
Digit bit 2
Digit bit 3
Digit MSB
Data Line Occupied
ISU 512e User Manual 61203086L1-1