Cisco Router Cisco 831 - Ethernet Cable Specifications; Maximum Cable Distance

A-9
Cisco 831 Router and SOHO 91 Router Hardware Installation Guide
78-14784-02
Appendix A Specifications and Cables
Cabling Specifications
Thanks to the auto-crossover (autosensing) function, both straight-through and
crossover cables can be used for the Ethernet LAN port.
Ethernet Cable Specifications
Table A-4 provides the specifications for straight-through and crossover Ethernet
cables.
Maximum Cable Distance
Table A-5 provides the maximum distance of Ethernet cables that you can use to
connect equipment to the router.
Table A-4 Ethernet Cable Specifications
Type Category
10BASE-T Category 3 or 5
100BASE-T Category 5 or
above
Table A-5 Maximum Cable Distance
Cable Maximum Distance
Ethernet cables 328 ft (100 m)