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Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01
Chapter 2 Preparing for Installation
PRP Port Connection Guidelines
lists the cabling specifications for 100-Mbps transmission over
unshielded twisted-pair (UTP) cables.
Note
The transmission speed of the Ethernet ports is autosensing by default and is
user-configurable.
lists IEEE 802.3u physical characteristics for 100BASE-TX.
Table 2-11
Specifications and Connection Limits for 100-Mbps Transmission
Parameter
RJ-45
Cable specification
Category 5
1
UTP, 22 to 24 AWG
2
1.
EIA/TIA-568 or EIA-TIA-568 TSB-36 compliant. Not supplied by Cisco.
2.
AWG = American Wire Gauge. This gauge is specified by the EIA/TIA-568 standard.
Cable length (max)
—
Segment length (max)
328 feet (100 m) for 100BASE-TX
Network length (max)
656 feet (200 m)
3
with 1 repeater
3.
Specifically the length between any two stations on a repeated segment.
Table 2-12 IEEE 802.3u Physical Characteristics
Parameter
100BASE-TX
Data rate (Mbps)
100
Signaling method
Baseband
Maximum segment length
100 m between DTE and repeaters
Media
Category 5 UTP
Topology
Star/Hub
Summary of Contents for 12010 series
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