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B-7
Cisco 800 Series Routers Hardware Installation Guide
78-5373-04
Appendix B Specifications and Cables
Cabling Specifications
Ethernet Cable Specifications
Table B-13 lists the specifications for straight-through and crossover Ethernet cables. Refer to the
Glossary for definitions of straight-through Ethernet cable and crossover Ethernet cable.
Maximum Cable Distances
Table B-14 provides the maximum distances of Ethernet, ISDN, IDSL, and telephone cables that you can
use.
Table B-13 Ethernet Cable Specifications
Type Category Shielding
10BASE-T Category 3 or 5 Shielded twisted-pair (STP)
10BASE-T N/A Unshielded twisted-pair (UTP)
Table B-14 Maximum Cable Distances
Cable Maximum Distance
Ethernet cable 328 ft (100 m)
ISDN S/T and U and IDSL
cables
32.8 ft (10 m)
Telephone cable 500 ft (152 m)