Enterasys fn100 Betriebsanweisung
Fast Network 100 User Guide
Page 5-1
CHAPTER 5
FN100 DIAGNOSTICS AND TROUBLESHOOTING
The FN100 incorporates several built-in diagnostic and testing
capabilities which are convenient to use and cause minimal or no
disruption to the operational network. These capabilities are effective for
isolating problems within the FN100 unit. Built-in diagnostic capabilities
include system-wide power-up diagnostics, which are run every time the
system is powered up or reset.
capabilities which are convenient to use and cause minimal or no
disruption to the operational network. These capabilities are effective for
isolating problems within the FN100 unit. Built-in diagnostic capabilities
include system-wide power-up diagnostics, which are run every time the
system is powered up or reset.
All tests can be performed locally or remotely using an in-band or
out-of-band Network Management System (NMS).
out-of-band Network Management System (NMS).
5.1 POWER-UP DIAGNOSTICS
The FN100 performs an extensive set of diagnostic self-tests whenever
any of the following events occur:
any of the following events occur:
•
Power-up
•
Reset using the front panel Reset button
•
Reset via the NMS (a soft reset)
•
Automatic reset in response to a non-recoverable failure
The power-up diagnostics tests processors, memory, and other critical
hardware components of the FN100. All diagnostic software is stored in
non-volatile memory (EPROM and FLASH).
hardware components of the FN100. All diagnostic software is stored in
non-volatile memory (EPROM and FLASH).
5.1.1 Power-Up LED Sequence
When you power-up the FN100, the following occurs:
1. All LEDs, except for the Port Link LEDs, turn on for one second.
2. The Power (Pwr) LED remains on.
3. The Ready LED starts flashing.
4. After several seconds, the Port Link and ACT LEDs flashed briefly.