61200051L1-1D
ISU 2x64 Dual Port ISDN Service Unit User Manual
Appendix E: Connector Pinouts
RJ-45 Dial Line Connector S/T Interface
Pin
3
4
5
6
Maintenance Connector
Pin
1
2
3
4
5
6
7
8
9
Table E-F
Description
TxP
RxP
RxN
TxN
Table E-G
Description
CD
RD
TD
DTR
SG
DSR
RTS
CTS
RING
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