Nortel Networks 450 - Manual (Page 231)

Troubleshooting
302401-D Rev 00 4-5
Diagnosing and Correcting the Problem
Before you perform the problem-solving steps in this section, cycle the power to
the BayStack 450 switch (disconnect and then reconnect the AC power cord);
then, verify that the switch follows the normal power-up sequence.
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.
Link Link status Green On BayStack 450-12F model only: valid communications link
established.
Off The communications link connection is bad or there is no
connection to this port.
Blinking The corresponding port is management disabled.
F Dx Duplex status Green On BayStack 450-12F model only: the corresponding port is
in full-duplex mode.
Off The corresponding port is in half-duplex mode
Activity Port activity Green
or
Amber
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.
Table 4-1. BayStack 450 Switch LED Descriptions (continued)
Label Type Color State Meaning
kombk.book Page 5 Tuesday, June 29, 1999 3:25 PM