Cabletron Systems STHI manual Lanview LED Signals, Color Condition

CHAPTER 4

Troubleshooting

This chapter contains instructions for using LANVIEW LEDs to troubleshoot physical layer network problems.

4.1 LANVIEW LED Signals

The STHI incorporates the Cabletron Systems LANVIEW Status Monitoring and Diagnostics System. These LEDs can help in the diagnosis of physical layer problems such as power failures or cable faults. Table 4-1 lists the LANVIEW LEDs and defines their messages:

Table 4-1. LANVIEW LED Signals

LED	Color	Condition
CPU	blinking	normal operations
	Green
	Red	malfunction
ACT	Green	normal frame received
	flash
	Red	Beacon Recovery running
	flash
16 Mb	Yellow	Ring Speed set to 16 Mbps.
	off	Ring Speed set to 4 Mbps.
MGMT	Green	management operational
	Red	management failure

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