SYSTEM MESSAGES

6-B

RGU & Howler Failure

Default Alarm:

Default Grade:

Grade Modified:

Lamp Modified:

MN

3

 

 

 

 

 

 

This message displays when a fault in either the ringer or howler tone occurs in the PWR card.

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit and MG number of fault

 

 

b0, b1: Unit No. (0-3)

 

 

 

 

 

 

detection

 

 

 

 

 

 

 

b2: 0/1 = Even-numbered MG/Odd-numbered MG

 

 

b7

 

 

 

 

b2

b1

b0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Kind of fault

 

 

b0:

0/1 = -/RGU (Ringing Unit) Fault

b7

b1

 

b1:

0/1 = -/Howler Fault

b0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHAPTER 3

NDA-24300

Page 88

Issue 1

Page 115
Image 115
NEC NDA-24300 manual RGU & Howler Failure, ➀ Unit and MG number of fault