NEC NDA-24300 manual 33-E, SDT Interface Change Notify, ➁ Detailed information

Models: NDA-24300

1 653
Download 653 pages 50.84 Kb
Page 264
Image 264

33-E

SYSTEM MESSAGES

SDT Interface Change Notify

Default Alarm:

Default Grade:

Grade Modified:

Lamp Modified:

NON

2

 

 

 

 

 

 

This message displays when the ACT/STBY of the SDT (PA-SDTA) card is changed over as a result of fault detection in the optical fiber line. When the ACT/STBY change cannot be performed, this message also indi- cates the cause for the changeover execution failure.

1: X0XX XX00 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

 

 

 

 

 

 

 

 

 

 

 

 

 

MG (Module Group)

 

 

 

 

 

b7: 0/1 = Even-number MG/Odd-number MG

 

 

b7

 

 

 

 

 

 

 

b0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Detailed information

 

 

 

b0:

Active SDT after Changeover

b7

b6

b5

b4

b3

b2

b1

b0

 

0/1=No.0 System/No.1 System

b1:

Operating Status of SDT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0/1=In service/Out of service

 

 

 

 

 

 

 

 

b2, b3:

Result of Changeover

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0/1=Success/Failure

 

 

 

 

 

 

 

 

b7-b4

Cause for Changeover

 

 

 

 

 

 

 

 

0001

SDT had a serious failure

 

 

 

 

 

 

 

 

0010

MB key on SDT card was turned ON

Cause for changeover execution failure

b7 b6 b5 b4 b3 b2 b1 b0

0H:

(Changeover Success)

 

 

 

 

 

 

 

 

1H:

Optical interface isn’t dual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2H:

Optical interface has a serious failure in each No.0/No.1 system

Repair Procedure

Once this message displays, be sure to check other messages, such as [33-C] SDT Alarm Trouble, and review the cause for the changeover. If any fault is implicated, repair the whole fault(s) according to the situation.

NDA-24300CHAPTER 3

Page 237

Issue 1

Page 264
Image 264
NEC NDA-24300 manual 33-E, SDT Interface Change Notify, ➁ Detailed information