3com 5000 ATM 사용자 설명서
6-2
C
HAPTER
6: T
ROUBLESHOOTING
When you press the LED test button:
1 The Controller Module initiates a test to all modules in the hub. All
LEDs should respond by lighting continuously for approximately
5 seconds.
5 seconds.
2 During this time, the bi-color LEDs should alternate between green and
yellow approximately every ½ second.
See Appendix B for instructions about contacting 3Com Technical
Support for your product.
Support for your product.
Reading the Base Module LEDs
Table 6-1 identifies the normal phases of operation of the base module
LEDs upon power-on or hardware reset.
LEDs upon power-on or hardware reset.
Table 6-1 Base Module LED Status
Module Status
LED State
MOD
STAT
STAT
PACKET
CHANNEL
CHANNEL
Prior to power-on
Off
Off
Diagnostics upon power-on
Yellow
Off
Failed diagnostics
Yellow
Green
Passed diagnostics; ready to exchange data
Green
Green
Receiving ATM cells and forwarding them to
the packetchannel backplane
the packetchannel backplane
Green
Yellow
Module problem indications during normal
operation
operation
*
* Refer to Determining Corrective Action.
Steady yellow or
Off
Off
Off