Installing and wiring telephone power supplies
242 Installing the Avaya S8700 Media Server with an Avaya G650 Media Gateway
December 2003
The P333T-PWR switch has 24, 10/100 Base-T ports, each of which can supply up to 16.5 watts using the
internal power supply and operates on a 100–240 volts AC, 5.3 amperes, 50/60 hertz power source with
the option of using the 44~57 volts DC, 15 amperes to boost the InLine power.
The P333T-PWR switch can be placed in a wiring closet or on a flat, stable surface like a desk. Screws
are provided for mounting in a standard 19-inch (48-centimeter) rack.
Connecting the P333T-PWR switch
Powering up—AC input
1 Insert the power cord into the power connector (BUPS or AC Power Supply) on the rear of the
unit. See Figure 97, Connectors on the P333T-PWR switch,
on page 242.
Figure 97: Connectors on the P333T-PWR switch
2 Insert the other end of the power cord into a nonswitched electrical outlet or the connector on the
BUPS.
The unit powers up and performs a self-test procedure. The LEDs flash at regular intervals after
the self-test procedure is completed successfully.
Powering up—DC input (optional)
The P333T-PWR switch can operate on the AC input only. However, you may wish to use the optional
DC input for the following:
• Backup for the power over Ethernet ports
• To provide more than 200 watts for the power over Ethernet ports
NOTE:
Please see the P333T-PWR switch User’s Guide for more information.
Connecting the cables
Connect IP telephones, PCs, servers, routers, workstations, and hubs.
1 Connect the Ethernet connection cable (not supplied) to a 10/100 megabits per second port on the
front panel of the Avaya P333T-PWR switch.
NOTE:
Use standard RJ45 connections and a CAT5 cable for 100 megabits per second operation.
Figure notes
1 BUPS connector 2 AC connector
scdlp333 KLC 082002
INPUT
Amax
Vin
44-57V 15A
BUPS
INPUT
1
2
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