Nortel BCM50 Troubleshooting Manual page 18

18 Chapter 3 Hardware Troubleshooting
• BRIM LEDs
System status LEDs
The two system status LEDs on the BCM50 main units (BCM50, BCM50a, BCM50e, BCM50b,
BCM50ba, and BCM50be) show the current state of the BCM50 system.
You can view the system status LEDs on the faceplate and on the top of the main unit. See the
figure Location of system status LEDs on a main unit
LED, and the top LED is the status LED. Under normal operating conditions, both LEDs are solid
green.
Figure 1 Location of system status LEDs on a main unit
The table System status LEDs states and descriptions
system status LEDs after the system boots up and is in service.
Table 1 System status LEDs states and descriptions
Power
Solid green
Solid green
or
Flashing green
Flashing green
Off
NN40020-700 NN40020-700
on page 25
Status LED
Power LED
Status
Description
Solid green Normal operation.
Solid red A Major or Critical alarm is activated on the BCM50.
You must clear the status LED using the Element Manager Alarm Panel.
The LED does not clear itself.
See the Administration Guide for more information.
Solid green Contact technical support.
Off No power to BCM50.
on page 18. The bottom LED is the power
on page 18 describes the meaning of the