ADTRAN 1200070L1 - Manual (Page 159)

61200.070L1-1 Express XL/XLT User Manual 143
Appendix D
Connector Pinouts
Table D-A
IBM/AT Style EIA-232 Interface
I = Input O = Output N/A = Not Applicable N/C = Not Connected
Table D-B
RJ-45 ISDN BRI U
Pin Name I/O Description
1 CD N/C Carrier Detect
2 RD O Receive Data
3 TD I Transmit Data
4 DTR N/C Data Terminal Ready
5 GND N/A Signal Ground
6 DSR N/C Data Set Ready
7 RTS I Request to Send
8 CTS O Clear to Send
9 RI N/C Ring Indicator
Pin 4 Ring
Pin 5 Tip
MAINTENANCE
ISDN
BRI U