Cisco 1720 Hardware Installation Manual page 64

Ethernet Cables
Cisco 1700 Router Hardware Installation Guide
B-2
This section describes the Ethernet cables that are used to connect the router to
your local Ethernet network. A 10/100BaseTX router, like the Cisco 1700 router,
requires Category 5 unshielded twisted-pair (UTP) or shielded twisted-pair (STP)
cable.
RJ-45
1
Pin
1
2
3
6
1.Pins 4, 5, 7, and 8 are not used for signaling.
Table B-1 Straight-Through Ethernet Cable
(RJ-45-to-RJ-45) Pinouts
Signal Direction
TX+ —>
TX– —>
RX+ <—
RX– <—
Appendix B Cabling Specifications
RJ-45
Pin
1
2
3
6
78-5405-03