3Com 5104M-FL1 Interpreting the 10BASE-FL Module LEDs, LED Name Color State Indicates

Table 3-5 describes how to interpret the 10BASE-FL Module LEDs.

Table 3-5. Interpreting the 10BASE-FL Module LEDs

LED Name	Color	State	Indicates
Activity	Yellow	Off	No packets are received on
			the fiber segment.
(Ports 1-4)		On	Constant activity on the fiber
			segment.
		Blinking	Module receives packets
			from segment to which it is
			attached.
Status	Green	Off	Port disabled.
(Ports 1-4)		On	Port enabled or in standby
			and link integrity is OK.
		1 blink	No light detected.
		2 blinks	Port partitioned.
		3 blinks	FIFO error or MAU jabber
			lockup protection.
Redundancy	Green	Off	Redundancy is disabled;
(Ports 1&2)			ports are independent of
(Ports 3&4)			each other.
		On	Redundancy is enabled
			between ports 1 and 2
			and/or 3 and 4.
		Blinking	Redundancy is enabled
			between ports 1 and 2
			and/or 3 and 4 and there is
			a failure on one of these
			ports.

Installing and Operating the Module 3 - 19