3Com 3C17203 Getting Started Manual page 16

16 C 1: I
HAPTER NTRODUCING THE
S S 3 S
UPER TACK WITCH
Table 5 LED behavior
LED Color
Port Status LEDs
Packet Green
Yellow
Off
Status Green
Green flashing A high speed (100 Mbps) link is present, but the port is
Yellow
Yellow flashing A low speed (10 Mbps) link is present, but the port is
Off
Module Packet LEDs
Green
Yellow
Off
Module Status LEDs
Green
Green flashing The Module is installed and supported. The Link Status has
Yellow
Yellow flashing A Module is installed, however, it is not supported.
Off
Unit LEDs
1–8 Green
4400
Indicates
Full duplex packets are being transmitted/received on the
port.
Half duplex packets are being transmitted/received on the
port.
No packets are being transmitted/received on the port.
A high speed (100 Mbps) link is present, and the port is
enabled.
disabled.
A low speed (10 Mbps) link is present, and the port is
enabled.
disabled.
No link is present.
Full duplex activity being received or transmitted
Half duplex activity being received or transmitted
No activity
The Module is installed and supported. The Link Status has
been determined, and the port is enabled.
been determined, but the port is disabled.
The Module is installed and supported. The Link status has
not been determined or there is no Link for a single port
Module.
The Module is not installed.
When the Switch forms a stack with other Switch 4400
units, the LED indicates the position of the unit in the stack
and that a link is present.
When the Switch is stand-alone and not part of a stack, LED
1 is on.