3-F

SYSTEM MESSAGES

-48V Over Current

Default Alarm:

Default Grade:

Grade Modified:

Lamp Modified:

SUP

3

 

 

 

 

 

 

This message displays when over current of the operating power (DC-48V) is supplied from the ATI/ELC cir- cuit card to the Attendant Console/Dterm. When this fault occurs, the related circuit card is placed into make-

busy state and stops supplying power.

1: XX00 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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Location of faulty PM

 

 

 

b0-b4: Group

 

 

 

 

 

 

 

b7

b6

b5

b4

b3

b2

b1

b0

 

b5, b6: Unit

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NDA-24300CHAPTER 3

Page 73

Issue 1

Page 100
Image 100
NEC NDA-24300 manual 48V Over Current, Busy state and stops supplying power, ➀ Location of faulty PM