Identifying An Rj-45 Straight-Through Cable - Cisco 7246 - uBR Router Hardware Installation Manual

Appendix C Cable Specifications
Figure C-3

Identifying an RJ-45 Straight-Through Cable

You can identify a straight-through cable by comparing the two modular ends of the cable. Hold the
cables side-by-side with the tab at the back. The straight-through cable's wires are in the same sequence
at both ends of the cable.
Figure C-4
If your cable was purchased from Cisco Systems, pin 1 is white.
Note
Table C-3
Table C-3
RJ-45 Pin
1
2
OL-5421-03
RJ-45 Crossover Cable Identification
Pin 1
Pin 2
RJ-45 Straight-Through Cable Identification
Pin 1 Pin 1
lists the pinouts for the two Fast Ethernet ports.
10BASE-T RJ-45 Connector Pinouts
Description
Tx+
Tx–
Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide
Fast Ethernet Port Cables and Pinouts
Pin 3
Pin 6
RJ-45 Pin Description
3 Rx+
6 Rx–
C-5