ADTRAN 1200051L6 - Manual (Page 136)

Appendix E: Connector Pinouts
122 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Table E-D
RS-366 Interface
Pin Name I/O Description
1 ........................... Shield ................... I/O ........ Shield for cable
2 ........................... DPR ...................... I ............. Digit Present
3 ........................... ACR...................... O........... Abandon Call and Retry
4 ........................... CRQ ..................... I ............. Call Request
5 ........................... PND ..................... O........... Present Next Digit
6 ........................... PWI...................... O........... Power Indication
7 ........................... SG ....................... I/O ........ Signal Ground
13 ......................... DSC ..................... O........... Distant Station Connect
14 ......................... NB1 ..................... I ............. Digit LSB
15 ......................... NB2 ..................... I ............. Digit bit 2
16 ......................... NB4 ..................... I ............. Digit bit 3
17 ......................... NB8 ..................... I ............. Digit bit MSB
22 ......................... DLO...................... O........... Data Line Occupied
8-12....................... NC ...................... N/A....... No Connection
18-21..................... NC ...................... N/A....... No Connection
23-25..................... NC ...................... N/A....... No Connection
I = Input ..............O = Output........ ............ N/A = Not Applicable
Figure E-5
RJ-45 Dial Line Connector U Interface
Table E-E
RJ-45 Dial Line Connector U Interface
Pin Description
4 Ring
5 Tip
ISDN
PIN 1 PIN 8