NEC 2400IMX system manual PA-16ELCJ 16ELC

Models: 2400IMX

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PA-16ELCJ (16ELC)

PA-16ELCJ (16ELC)

1.Function

This circuit card is a line circuit card which supports the interface of 16 circuits or eight circuits of a 2W- Digital Terminal based on TCM transmission system (Time Compression Multiplex).

This circuit card can be used as an eight-circuit voice/data digital line (8DLC Mode) and a 16-circuit voice only digital line circuit (16ELC Mode), and can be connected to any Dterm of the Dterm Series III.

Differences in operations by mode are shown below.

 

NO. OF CIRCUITS

NO. OF TIME SLOTS

DATA COMMUNICA-

REMARKS

 

TION FUNCTION

 

 

 

 

 

 

 

 

 

8DLC Mode

8 Circuits

16 Time Slots

Provided

 

 

 

 

 

 

16ELC Mode

16 Circuits

16 Time Slots

Not Provided

 

 

 

 

 

 

16ELC

Dterm 0

Dterm 7

Dterm 8

Dterm 15

Note

Note: In 8DLC mode the circuit card is accommodated to Dterm 0~7.

16ch

INT

 

T

 

S

 

W

 

CPU

MEM

COT

C.O. Line

Position within the System

CHAPTER 4

NDA-24282 (E)

Page 124

 

Revision 1.0

 

Page 143
Image 143
NEC 2400IMX system manual PA-16ELCJ 16ELC