3Com 1000BASE-SX quick start Module Status, Port Status

142-PORT 1000BASE-SXAND 2-PORT 1000BASE-LX GIGABIT ETHERNET INTERFACE MODULES QUICK START GUIDE

Verifying Module The GEN Interface Modules each have one Module Status LED and two Operation 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.

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Table 3 Module and Port Status LED Indicators

LED	State and Color	Description
Module Status	Green	Power is on (normal operation).
	Off	No power.
Port Status	Green	Port is enabled and link is up.
	Flashing Green	■ Port is receiving or transmitting
		packets.
		■ Port is cabled but the switch fabric
		module is down or unavailable.
	Off	Link is disabled or port is not cabled.