Nortel 5399 Hardware Installation Manual page 24

Chapter 1 Introduction
Supported
Configurations
Watchdog Timer
Nortel Networks 5399 Access Switch Hardware Installation Guide
1-6
• Modify and display a set of configuration parameters stored
in EEPROM.
• Execute interactive diagnostic tests.
• Receive information and statistics for the hardware
configuration and the network.
• Boot the Remote Access Concentrator manually.
Once the Remote Access Concentrator has obtained a boot image and is
booted, the service port terminal leaves the ROM monitor and displays
the Console monitor (for more details, see
You can self-boot the Model 5399 Remote Access Concentrator from the
image contained in its Flash ROM. The Remote Access Concentrator can
also obtain full operational code over the network from one of the
following devices:
• UNIX host
• Another Model 5399 Remote Access Concentrator
configured as a load server
• NT host
The Model 5399 Remote Access Concentrator utilizes a watchdog timer
that is reset by the software at regular intervals. The watchdog timer
reboots the Remote Access Concentrator in the unlikely event of an
internal software error. This feature enables the Remote Access
Concentrator to run for long periods of time without intervention.
Chapter 2).