Cabletron Systems EMM-E6 Ethernet manual EMM-E6 User’s Guide 14-3

			USING LANVIEW
	Table 14-1. LANVIEW LEDs (Continued)
LED	Color	Description	Error Condition/
			Recommended Action
XMT	Green	LED flashes to	If none of the transmit LEDs is
A,B,C,D		indicate that a	flashing, the EMM-E6 is not
(Transmit)		segment is	transmitting frames on any of
		transmitting a	the segments.
		frame.
			Contact Cabletron Technical
		If not connected	Support for assistance.
		to the LAN, the
		LED flashes
		every two
		seconds to
		indicate it is
		transmitting
		BPDU frames.
CLN	Red	Collision	Excessive flashing, or a solid
(Collision)		detected on a	light, indicates an inordinate
		segment. When	number of collisions.
		the LAN is
		operating	Ensure that the SQE test is
		properly,	disabled for any transceiver
		occasional	connected to the EMM-E6’s
		flashing is	external channels (D, E, or F).
		normal.	Check cabling for data loops or
			defective cables.

EMM-E6 User’s Guide 14-3