NEC NDA-24300 manual Unit Control Block Diagram Single Configuration

Models: NDA-24300

1 653
Download 653 pages 50.84 Kb
Page 362
Image 362

FAULT REPAIR PROCEDURES

Clock

To

TSW/INT

Speech

Path

(A)

Control of

CPU

MUX X

PM LC/TRK

Line/

 

Trunk

 

 

LC/TRK

Circuit Card

 

 

Figure 5-6 Unit Control Block Diagram (Single Configuration)

PIM 3

MUX (PH-PC36) card is mounted in Slot No. 13 and/or 14 of each PIM.

PIM 2

PIM 1

PIM 0

UNIT = 2

UNIT = 0

UNIT = 2

UNIT = 0

IMG0/1/2/3

13 14

MUX 0

MUX 1

13 14

MUX 0

MUX 1

13 14

MUX 0

MUX 1

13 14

MUX 0

MUX 1

Front View

UNIT = 3

UNIT = 1

UNIT = 3

UNIT = 1

Figure 5-7 MUX Card Locations

NDA-24300CHAPTER 5

Page 335

Issue 1

Page 362
Image 362
NEC NDA-24300 manual Unit Control Block Diagram Single Configuration