Nortel Meridian Meridian 1 Maintenance Manual page 24

12 Chapter 1: Overview
553-3211-510 Standard 1.0 October 1998
¥ SCSI indicator: This yellow LED is lit almost continuously when in
use. The intensity varies according to the amount of data movement.
¥ Fail indicator: This red LED is lit when a hardware or software failure
occurs on the SBC card.
The switches perform the following functions:
¥ Power pushbutton: This turns power on and off on the IPE Module.
¥ button: This button, when pressed, stops program execution
ABORT
and returns control to the debugger. Do not press this button. If you
accidentally press it, all software operations will stop and you will be
in the firmware debugger. In this case, press the red
immediately to reboot the system. Software diagnostics during system
boot will attempt to repair possible file system damage caused by the
non-standard shutdown.
¥ button: This button invokes a cold restart. The system performs
RESET
a self test and then reboots. Do not press the button while an
application is running. Exit the application and prepare the system for
powering down before pressing the
the system controller, this button also generates a VME bus system
reset. The software power down procedure is provided in Chapter 8,
ÒRecovery/replacement procedures.Ó
!
RESET
CAUTION
Risk of memory loss
Do not press both the ABORT and RESET buttons
at the same timeÑyou risk losing device
configuration information.
button
RESET
button. If the SBC card is