13-N

SYSTEM MESSAGES

Digital Line Warning

Default Alarm:

Default Grade:

Grade Modified:

Lamp Modified:

SUP

1

 

 

 

 

 

 

This message displays when a digital line failure occurs.

1: XXXX 0000 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000

4:0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000

7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000

Accommodated location

b7 b6 b5 b4 b3 b2 b1 b0

b0-b4: Group No.

b5, b6: Unit No. (0-3)

b7: MG No.

0/1 = Even-numbered MG/Odd-numbered MG

Kind of Fault

b7b4 b3 b2 b1 b0

b0-b4: Kind of Fault (HEX)

00 = -

01 = Frame alignment loss PCM down 02 = Bit error rate is over 10-6

03 = Slip is detected

04 = -

05 = Dch down

06= Multi-frame alignment loss

07= -

10= -

11= Frame alignment loss PCM down (frequently)

12= Bit error rate is over 10-4

13= Slip is detected (frequently)

14= Opposite office alarm is detected

15= -

16= Multi-frame alignment loss (frequently)

17= Frame alignment loss PCM down (continuously)

18= Multi-frame alignment loss (continuously)

NDA-24300CHAPTER 3

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Issue 1

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Image 198
NEC NDA-24300 manual 13-N, This message displays when a digital line failure occurs, ➁ Kind of Fault B7b4 b3 b2 b1 b0