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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
5Tip
ISDN
PIN 1 PIN 8