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B-6
Cisco 800 Series Routers Hardware Installation Guide
78-5373-04
Appendix B Specifications and Cables
Cabling Specifications
Cabling Specifications
This section provides the following cabling specifications:
• Straight-through and crossover Ethernet cables.
• Ethernet, ISDN, IDSL and telephone cable distance limitations. (A telephone cable connects a
device to a telephone port.)
5 IDSL interface network connection
(Ring)
6Unused
7Unused
8Unused
Table B-11 Telephone Connector Pinouts (RJ-11)
Pin Function
1Unused
2Unused
3Ring
4Tip
5Unused
6Unused
Table B-12 Power Connector Pinouts
Pin Function
1ROF
2RTN
3Unused
4Unused
5+5
6RTN
7–71
8–24
Table B-10 IDSL Connector Pinouts (RJ-45)
Pin Function