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1740 SHDSL 2/4-Wire Router User’s Guide
CHAPTER 15 Pin Assignments
Console Port (RS232 DB9)
Pin number Definition Pin number Definition
1 NC 6 NC
2 TD 7 NC
3 RD 8 NC
4 NC 9 NC
5 GND
LAN Port (RJ45)
Pin number Definition Pin number Definition
1 RD+ 5 NC
2 RD- 6 TD-
3 TD+ 7 NC
4 NC 8 NC
LINE Port (RJ45)
Pin number Definition Pin number Definition
1 Loop2-1 5 Loop1-2
2 Loop2-2 6 Short with 2
3 Short with 1 7 NC
4 Loop1-1 8 NC
1740-A2-GB20-00 July 2004 65