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46 VIP-FE-TX/4E Installation and Configuration
VIP Port Adapter Functions
Table 10 summarizes the characteristics of IEEE 802.3 Ethernet and Ethernet Version 2 for
10BASE-T.
Table 10 IEEE 802.3 and 10BASE-T Ethernet Version 2 Physical Characteristics
Table 11 lists the cabling specifications for 10-Mbps transmission over UTP and STP cables.
Table 11 Cable Specifications for 10-Mbps 10BASE-T
The Ethernet specifications call the 4E device a transceiver, and it is connected to the station with a
transceiver cable. The 4E port adapter is not an end station. The IEEE 802.3 specifications refer to
the same type of device as a media attachment unit (MAU) and to the cable as an attachment unit
interface (AUI). Only transceiver cables can connect to the 4E ports directly.
Parameter IEEE 802.3 Ethernet 10BaseT Ethernet Version 2
Data Rate (Mbps) 10 10
Signaling method Baseband Baseband
Max. segment length (m) 500 100 (UTP)
Media 50-ohm coax (thick) Unshielded twisted-pair (UTP)
Topology Bus Star
Parameter RJ-45
Cable specification Category 5 UTP
1
, 22 to 24 AWG
2
1. Cisco Systemsdoesnot supplyCategory 5 UTPRJ-45 cables; thesecables are
available commercially.
2. AWG = American Wire Gauge. This gauge is specified by the EIA/TIA-568
standard.
Maximum segment length 100 m (328 ft.) for 10BASE-T
Maximum network length 200 m (656 ft) (with 1 repeater)