Diagnosing And Correcting The Problem - Nortel BayStack 450-24T Using Manual

Table 4-1.
Label Type
10/100 10/100 Mb/s
port speed
indicator
Link Link status
F Dx Duplex status
Activity Port activity

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.
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.
309978-D Rev 01
BayStack 450 Switch LED Descriptions
Color State Meaning
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.
Yellow On The corresponding port is set to operate at 10 Mb/s and
the link is good.
Yellow Blinking The corresponding port has been disabled by software.
Off The link connection is bad or there is no connection to
this port.
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.
Green On BayStack 450-12F model only: The corresponding port is
in full-duplex mode.
Off The corresponding port is in half-duplex mode
Green Blinking Indicates network activity for the corresponding port. A
or high level of network activity can cause the LEDs to
Yellow appear to be on continuously.
Troubleshooting
(continued)
4-5