Installation and wiring of telephones and power supplies
Issue 9.1 June 2006 381
●Disconnect the cords on this product and refer servicing to qualified service personnel
under the following conditions:
- The power supply cord or plug is damaged or frayed
- Liquid has been spilled into it
- Exposed to rain or water
- Dropped or the housing has been damaged
- Exhibits a distinct change in performance
- Operates abnormally when following the operating instructions
Using the P333T-PWR switch
The P333T-PWR Power over Ethernet Stackable Switch can be used to power 46xx series IP
telephones in addition to providing a 10/100 megabits per second Ethernet connection. The
switch can form part of a stack with the G700 Media Gateway or members of the P330
stackable switching system.
!CAUTION:
CAUTION: The Avaya P333T-PWR switch does not contain any user-serviceable
components inside. Do not open the case.
!CAUTION:
CAUTION: The P333T-PWR switch can be used only indoors and in a controlled
environment.
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 rack.
Connecting the P333T-PWR switch

To power 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 35: Connectors on the P333T-PWR switch on page 382.