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7 Connecting Telephones and Adjunct Systems: Installation and Wiring Telephones and Power Supplies
Installation and Upgrades for G700 with S8300 or S8700
555-234-100 — Issue 3 — May 2003
263
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:
The Avaya P333T-PWR switch does not contain any user-serviceable components inside.
Do not open the case.
!
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.
Connect the P333T-PWR switch
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 “Connectors on the P333T-PWR switch” on page 263
.
Figure 19. 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.
Power 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
Figure Notes
1. BUPS connector 2. AC connector
scdlp333 KLC 082002
INPUT
Amax
Vin
44-57V 15A
BUPS
INPUT
1
2