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NDA-24282 CHAPTER 4
Page 111
Revision 1.0
PA-16ELCH (16ELC)
PA-16ELCH (16ELC)
1. Function
This circuit card is a line circuit card that supports the interface of 16 circuits or 8 circuits of a 2W-Digital
Terminal based on TCM transmission system (Time Compression Multiplex).
This circuit card can be used as an 8-circuit voice/data digital line (8DLC Mode) and a 16-circuit voice only
digital line circuit (16ELC Mode), and can be connected to any D
term
of the D
term
Series III. Differences in
operations by mode are shown below.
NUMBER OF
CIRCUITS
NUMBER OF
TIME SLOTS
DATA COMMUNICATION FUNCTION REMARKS
8DLC Mode 8 circuits 16 Time Slots Provided
16ELC Mode 16 circuits 16 Time Slots Not Provided
D
term
0
D
term
7
D
term
8
D
term
15
Note
16ELC
16ch
COT
MEM
CPU
C.O. Line
Position within the System
INT
T
S
W
Note:
If 8DLC mode, the circuit card is
accommodated to D
term
0~7.