3com 4500 Quick Setup Guide
18
C
HAPTER
1: I
NTRODUCING
THE
S
WITCH
4500 F
AMILY
Switch 4500 — Rear
View Detail
View Detail
Figure 5 Switch 4500 — rear view
Figure 6 Switch 4500 PWR - rear view
Off
No link is present.
Duplex (3CR17571-91 and 3CR17572-91 only)
Green
Full duplex, blinking off for every packet received or
transmitted.
transmitted.
Yellow
Half duplex, blinking off for every packet received or
transmitted.
transmitted.
Yellow flashing
The port has failed POST.
Off
No link is present.
PoE (3CR17571-91 and 3CR171572 only)
Green
Power is being delivered to the port.
Green flashing
Port power has exceeded limit or is unable to supply power
due to unit being over budget.
due to unit being over budget.
Yellow
PoE error, no power supplied on port.
Yellow flashing
The port has failed post.
Off
No power is being delivered.
1000BASE-X SFP Port LEDs
Speed Green
A high speed (1000 Mbps) link is present.
Yellow Flashing
Port failed POST.
Off
No link is present.
Duplex (3CR17571-91 and 3CR17572-91 only)
Green
Full duplex packets are being transmitted/received on the
port.
port.
Yellow
Half duplex packets are being transmitted/received on the
port.
port.
Yellow flashing
Port failed POST.
Off
No link is present.
Table 4-1
LED
Color
Indicates
Power Socket
100-240V; 50/60Hz; 1A
Open Book Warning Labels
Earthing Screw
~
Power Socket
Redundant Power System Socket
100-240V; 50/60Hz; 7.0A
Open Book Warning Labels
NULL
Earthing Screw
~
-53 -55V;19.5A