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Description of Parts
Ethernet Transceivers
When using a standard 15-pin AUI Ethernet connector, you need an Ethernet transceiver or media
attachment unit (MAU) to connect the router to the Ethernet network. Several types of single- and
multiport transceivers are available. The type you use depends on the type of cabling your Ethernet
network uses: thick-wire (10Base5), thin-wire (10Base2), or unshielded twisted-pair (10BaseT).
Some single-port transceivers attach directly to the 15-pin connector on the applique; others, such
as multiport transceivers for connecting multiple Ethernet interfaces to a network, require interface
cables. Figure 5 shows examples of different types of transceivers and installations.
Transceiver
15-pin AUI
connector
Figure 5
6 Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards
To Ethernet port
cable
Ethernet XCVR
BNC connectors to thin-wire or
thick-wire Ethernet network
To Ethernet port
Transceiver cable
15-pin AUI connector
Ethernet Transceivers
Attaches directly to Ethernet
15-pin AUI connector
Multiport transceiver
port or to the transceiver cable
RJ-45
connector
UTP cable
To 10BaseT
Ethernet network
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