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2-8 Ultra Enterprise 6000/5000/4000 Systems Installation Guide—November 1996
2
• If the Ethernet cable lacks N-type connectors at the ends, use a “vampire”
tap to connect the cable to the transceiver. See Figure 2-8. To connect the
cable to the transceiver, use instructions provided with the vampire tap.
• If the Ethernet cable has N-type connectors, connect the Ethernet cable to
the transceiver:
a. Screw the Ethernet coaxial cable into one of the round screw-on type
connectors on the transceiver.
Use either one of the transceiver connectors.
b. Screw the other Ethernet coaxial cable into the other round screw-on
type connector on the transceiver.
4. Determine if a terminator should be installed. Table 2-1 lists the cabling
limitations for Ethernet.
5. If termination is required, install a 50-ohm terminator in the unused
transceiver N connector or at the end of the coaxial cable. Use a female
double N-type connector.
Figure 2-8 shows the elements used in the installation process.
Figure 2-8 Connecting Twisted Pair Ethernet to N-type Coaxial Cable
Transceiver
Vampire tap or N-type connectors
Ethernet cable
Transceiver drop cable
(coaxial or optical fiber)
Hardware interface
10/100BASE-T
twisted-pair cable
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