Appendix d connector pinouts – ADTRAN L768 User Manual
Page 119
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61202192L1-1
Express L768/L1.5 User Manual
103
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 HDSL 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 1
Loop 1
Pin 2
Loop 1
Pin 3
no connection
Pin 4
Loop 2 (Express L1.5 only)
Pin 5
Loop 2 (Express L1.5 only)
Pin 6
no connection
Pin 7
no connection
Pin 8
no connection
MAINTENANCE
ISDN
BRI U
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