23-Y

SYSTEM MESSAGES

MUX Clock Failure

Default Alarm:

Default Grade:

Grade Modified:

Lamp Modified:

MN

3

 

 

 

 

 

 

This message displays when the MUX (PH-PC36) card has a clock failure in one of the dual systems.

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

Unit, MG, system number for MUX card with a clock failure

b7b4 b3 b2 b1 b0

b0-b1: Unit number where a clock failure occurred

b2:

MG number where a clock failure occurred

b3:

0/1 = a clock failure in MUX No. 0 system/

 

a clock failure in MUX No. 1 system

b4:

0/1 = Faulty MUX is in ACT/

 

Faulty MUX is in STBY

Scan Data

 

 

 

 

 

Scan Data:Clock alarm information on the faulty MUX card

b7

 

b3

b2

b1

b0

b1:

0/1 = -/FH failure for 2M PCM Highway

 

b2:

0/1 = -/CLK failure for 2M PCM Highway

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

b3:

0/1 = -/4M CLK failure for PM

 

 

 

 

 

 

 

 

 

 

Reference: See Chapter 5, Section 4.3, Section 4.4, and Section 5.3, for the repair procedure.

NDA-24300CHAPTER 3

Page 217

Issue 1

Page 244
Image 244
NEC NDA-24300 manual 23-Y, MUX Clock Failure, ➁ Scan Data