Digium, Inc.
Page 60
Appendix A: Pin Assignments
All RJ45 (8P8C) ports labeled T1/E1 on the Gateway Series
appliance are 8-pin. RJ45 jacks are also commonly referred to as
RJ48 when used for telecommunication. The pin assignments are
identified in Table A-2.
Table A-2: RJ45 T1/E1 Port Connector
Pin
Description
1
Rx Ring
2
Rx Tip
3
Unused
4
Tx Ring
5
Tx Tip
6
Unused
7
Unused
8
Unused
Pin 1
Pin 8