3Com 3C10111C - NBX 100 - Modular Exp Base, Руководство по установке, Страница: 105 / 210

Adding Telephones 105
NBX devices work with these Ethernet power sources:
■
Ethernet power sources that comply with the IEEE 802.3af standard,
commonly called Power over Ethernet or PoE
■
3Com Ethernet power sources that predate the IEEE 802.3af standard
See Table 19 for power connection instructions.
Table 19 Connecting Power to a 3Com Telephone
Power Source 3Com Telephone Connection Details
AC power
adapter
(commonly
known as a
‘power brick’)
Any 3Com
Telephone can
accept power
from a power
adapter.
All 3Com Telephones
On all NBX devices, the
power connector is
marked by the DC
power symbol:
Connect the AC adapter’s power jack 1 to the
power connector on the bottom of the phone.
Run the cable through the strain-relief tab
2 to
prevent power from becoming disconnected.
The location of the power connector varies on
different telephone models. The first connection
diagram shows a Business Telephone that
includes
PE in the part number, for example,
3C10226PE. The second diagram shows an
earlier model telephone.
3102 Business Telephone.
A power adapter is an optional component on
the 3102 Business Telephone.
3101 and 3101SP Basic Telephone.
A power adapter is an optional component on
the 3101and 3101SP Basic Telephones
2101 Basic Telephone.
2
1