Cabletron Systems STH-24 User's Guide download pdf (Page 34)

Page 4-1

CHAPTER 4

TROUBLESHOOTING

This chapter contains instructions for using LANVIEW LEDs to

troubleshoot physical layer network problems.

4.1 LANVIEW LED Signals

The STH incorporates the Cabletron Systems LANVIEW Status

Monitoring and Diagnostics System. LANVIEW LEDs can help diagnose

problems such as a power failure or a cable fault. The STH includes the

following LANVIEW LEDs:

4.2 Trouble Resolution

If this section does not guide the user to a solution, please contact

Cabletron Systems Technical Support (see Section 1.4, Getting Help.)

Table 4-1. LED Signals

LED Color Condition

PWR

Green Power on.

off Power off.

16 Mb

Yellow Ring Speed set to 16 Mbps.

off Ring Speed set to 4 Mbps.

STACK

Green Connection with intelligent hub intact.

Red Bypassed or disconnected from intelligent hub.

Ports

off Port enabled but not linked.

Green Port enabled and linked.

Red Port disabled (or set to Ring Out) and not linked.

Blinking

Red

Ring Speed Fault -OR- Port linked but disabled.

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Cabletron Systems STH-24 User's Guide Page 34