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11
Installation and Configuration Note for the Catalyst 4500 Series Supervisor Engine V
78-15590-02
Port Cabling Specifications
Flash Port
The Flash port accepts a Type 1 compact Flash card. You can use it for file transfer tasks such as loading
a new software image. The Flash card is optional and can be obtained from third-party suppliers.
For more information, refer to Using the Compact Flash on the Catalyst 4000 Family Supervisor
Engine III and IV at the following URL:
http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/hardware/configuration/notes/OL_2788.h
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Port Cabling Specifications
This section provides port cabling specifications and includes the following subsections:
• Maximum Cable Distances, page 11
• Using a Patch Cord, page 12
The length of your networks and the distances between connections depend on the type of signal, the
signal speed, and the transmission medium (the type of cabling used to transmit the signals). The
distance and rate limits in this document are the IEEE-recommended maximum speeds and distances for
signaling. Table 2 shows the transmission speed versus the distance.
Maximum Cable Distances
Table 3 shows the maximum cable distances for transceiver speed and cable type.
Table 2 EIA/TIA-232 Transmission Speed in Contrast with Distance
Rate (bps) Distance (ft) Distance (m)
2400 200 60
4800 100 30
9600 50 15
19,200 25 7.6
38,400 12 3.7
56,000 8.6 2.6
Table 3 Maximum Cable Distances
Transceiver
Speed Cable Type Duplex Mode
Maximum Distance
Between Stations
10 Mbps Category 3 UTP Half or full 328 ft. (100 m)
10 Mbps MMF Half or full 1.2 mi. (2 km)
100 Mbps Category 5 UTP Half or full 328 ft. (100 m)
100 Mbps MMF Half 1312 ft. (400 m)
100 Mbps MMF Full 1.2 mi. (2 km)