User's Manual

CHAPTER 3 NDA-24300

Page 172

Issue 1

SYSTEM MESSAGES

This message displays when a digital line failure occurs.

➀

Accommodated location

➁

Kind of Fault

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

➀ ➁

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

b7 b6 b5 b4 b3 b2 b1 b0

b7 b4 b3 b2 b1 b0

Default Alarm:

SUP

13-O

Digital Line Failure

Default Grade:

Grade Modified: Lamp Modified:

b0-b4: Group No.

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

b7: MG No.

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

b0-b4: Kind of Fault (HEX)

00 = -

01 = Frame alignment loss PCM down

02 = Bit error rate is over 10

-4

03 = Slip is detected

04 = Opposite office alarm (AIS) is detected

05 = -

06 = Multi-frame alignment loss

07 = Frame alignment loss PCM down (continuously)

08 = Multi-frame alignment loss (continuously)