3Com NBX 100 Installation Manual page 129

Figure 36 Connections for 3Com 2101 Basic Telephones
1
1 Ethernet cable (optional; to connect a computer or an Attendant Console to
the network)
2 Ethernet cable (to data jack)
3 Power cable. Ask your Administrator how you should power your phone.
Then see Table 28
power. (Figure 36
4 Handset cord (to handset)
Using the Telephone's Switch Port
Many 3Com telephones contain a two-port Ethernet switch with
connectors on the underside of the phone. One port is used to connect
the telephone to the LAN and the other port connects a computer or
other Ethernet device to the LAN.
To connect a computer to the switch port on the telephone:
Use a Category 5 UTP cable with RJ-45 connectors.
Connect one end of the Category 5 cable to the computer's Ethernet
network interface card (NIC).
Connect the other end of the cable to the Ethernet switch port on the
underside of the telephone.
The Ethernet port is labeled with this icon:
Do not use the telephone's Ethernet port to connect another 3Com
telephone to the system.
for instructions on how to connect your telephone to
shows a connection using an optional AC adapter.)
Adding Telephones
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