ProCurve 5406zl, Руководство по установке и началу работы, Страница: 9 / 52

1-1
In
tro
duci
ng t
he Pro
C
urve Swi
tch
zl Powe
r Supp
ly Shelf
1
Introducing the ProCurve Switch zl
Power Supply Shelf
The ProCurve Switch zl Power Supply Shelf is an external power supply that
can supply backup or extra Power over Ethernet (PoE) power to the Series zl
Switches.
Figure 1-1. ProCurve Switch zl Power Supply Shelf (J8714A)
Throughout this manual, this unit will be abbreviated as the Power Supply
Shelf.
The Power Supply Shelf has two external power supply (EPS) ports that
provide PoE power for a connected ProCurve zl switch.
This chapter describes the Power Supply Shelf including:
■ front of the unit ( page 1-2 )
■
back of the unit ( page 1-4 )
■ EPS port operation ( page 1-5 )
■
supported switches ( page 1-5 )
Power
Supply
Status
EPS Port
Status
E1 E2
ProCurve Switch zl
Power Supply Shelf
J8714A
Power
Fault
–Device Connected
–Power Status
PoE
Fault
Power