3Com 1000BASE-SX Quick Start Manual page 14

14
2-P 1000BASE-SX
ORT
Verifying Module
Operation
2-P 1000BASE-LX G
AND ORT IGABIT
The GEN Interface Modules each have one Module Status LED and two
Port Status LEDs. Watch the LEDs during system power-on to verify
proper module operation. During the power-on diagnostic test, both
the Module Status and Port Status LEDs flash for approximately 1
second, and then reflect the active status of the module as described in
Table 3.
.
Table 3 Module and Port Status LED Indicators
LED
Module Status
Port Status
E I M Q
THERNET NTERFACE ODULES UICK
State and Color Description
Green Power is on (normal operation).
Off No power.
Green Port is enabled and link is up.
Flashing Green
Off Link is disabled or port is not cabled.
S G
TART UIDE
Port is receiving or transmitting
packets.
Port is cabled but the switch fabric
module is down or unavailable.