Enterasys sth-22 User Manual
Page 4-1
CHAPTER 4
TROUBLESHOOTING
This chapter contains instructions for using LANVIEW LEDs to
troubleshoot physical layer network problems.
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:
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.)
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
Red
Ring Speed Fault -OR- Port linked but disabled.