3com 5500-ei pwr Guía De Instalación Rápida
18
C
HAPTER
1: I
NTRODUCING
THE
S
UPER
S
TACK
4 S
WITCH
5500 F
AMILY
Switch 5500 — Rear
View Detail
View Detail
Figure 3 Switch 5500 SI and EI — rear view
Power Socket
The Switch automatically adjusts its power setting to any supply voltage
in the range 100-240 VAC.
in the range 100-240 VAC.
Open Book Warning
Labels
Before installing or removing any components from the Switch 5500 or
carrying out any maintenance procedures, you must read the safety
information provided in
carrying out any maintenance procedures, you must read the safety
information provided in
of this guide.
Redundant Power
System Socket
To protect against internal power supply failure, you can use this socket
to connect the Switch to an unearthed 48V DC Redundant Power
System.
to connect the Switch to an unearthed 48V DC Redundant Power
System.
Yellow
Half duplex packets are being transmitted/received on the
port.
port.
Yellow flashing
Port failed POST.
Off
No link is present.
LED
Color
Indicates
Power Socket
Redundant Power System Socket
100-240V; 50/60Hz; 1.0A
Open Book Warning Labels
NULL
Earthing Screw
~
-48 -60V;2.0A
DUA1715-0AAA02.book Page 18 Wednesday, March 23, 2005 11:17 AM