Cables and Pinouts for 2-Port ISDN BRI Card
Table B-6
ISDN BRI NT/TE
Pin 3/T+
Pin 4/R+
Pin 5/R–
Pin 6/T–
Cisco 1760 Modular Access Router Hardware Installation Guide
B-6
Interface Pin Numbers and Functions
NT Interface
(straight-through cable)
Pin 3/R+
Pin 4/T+
Pin 5/T–
Pin 6/R–
Appendix B
Cabling Specifications
TE Interface (crossover
cable)
Pin 3/T+
Pin 4/R+
Pin 5/R–
Pin 6/T–
78-13342-03