Nortel Networks 350 Switch User Manual


 
Troubleshooting
309979-A Rev 00
4-3
Diagnosing and Correcting the Problem
Before you perform the problem-solving steps in this section, cycle the power to
the BayStack 350 switch (disconnect and then reconnect the AC power cord);
then, verify that the switch follows the normal power-up sequence.
Table 4-1. LED Descriptions
Label Type Color State Meaning
Pwr Power status Green On DC power is available to the switch’s internal circuitry.
Off No AC power to switch, or power supply failed.
Status System status Green On Self-test passed successfully and switch is operational.
Blinking A nonfatal error occurred during the self-test.
Off The switch failed the self-test.
10/100 10/100 Mb/s
port speed
indicator
Green On The corresponding port is set to operate at 100 Mb/s and
the link is good.
Green Blinking The corresponding port has been disabled by software.
Amber On The corresponding port is set to operate at 10 Mb/s and
the link is good.
Amber Blinking The corresponding port has been disabled by software.
Off The link connection is bad or there is no connection to
this port.
Activity Port activity Green Blinking Indicates network activity for the corresponding port. A
high level of network activity can cause the LEDs to
appear to be on continuously.
Warning:
To avoid bodily injury from hazardous electrical current, never
remove the top cover of the device. There are no user-serviceable components
inside.
Vorsicht:
Um Verletzungsgefahr durch einen elektrischen Stromschlag
auszuschließen, nehmen Sie niemals die obere Abdeckung vom Gerät ab. Im
Geräteinnern befinden sich keine Komponenten, die vom Benutzer gewartet
werden können.