Cabletron Systems manual Using LANVIEW LEDS, EMM-E6 Installation Guide, Color, Description

Using LANVIEW LEDS

Table 4-1 LANVIEW LED Messages (Continued)

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

EMM-E6 Installation Guide 4-3