Nortel Networks R2MFC Manuel D’Utilisation

66 Chapter 6 R2MFC MBM maintenance

NN40010-300

 shows the reactions for Group II alarms when they persist. 

There are two sets of LEDs on the faceplate of the R2MFC MBM. The system status LEDs are 
made up of the Power LED, In Service LED, and Diag LED. 

 shows the LEDs and their 

states.

•

As the BCM starts, the In Service LED is Green Flashing.

•

Once powered up, the Power LED is set to Green, the In Service LED is set to green, and the 
Diag LED is off.

•

When the MBM is operating properly, the In Service LED is Green Solid. 

•

During an alarm on the internal PRI link, the In Service LED is off.

•

During test mode, the Diag LED is red.

CRC-4 errors

RAI

AIS

FEBE

none

none

Table 13   Group II alarms propagation

LOS

RAI

AIS

AIS

RAI

AIS

OOF

RAI

AIS

OOM

TS16

RAI

TS16

 AIS

AIS

TS16

RAI

TS16

 AIS

RAI

None

RAI

RAI

TS16

None

RAI

TS16

DCH down

None

AIS

Table 14   System status monitor LEDs

Active Power

N/A

N/A

N/A

No Power

Normal Operation Start Up

N/A

N/A

Out-of-Service

N/A

N/A

Test Mode

N/A

Normal Operation

Table 12   Group I Alarms propagation (Sheet 2 of 2)