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IMP8980DE Datasheet(PDF) 6 Page - A1 PROs co., Ltd.

Part # IMP8980DE
Description  PCM Digital Switch
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Manufacturer  A1PROS [A1 PROs co., Ltd.]
Direct Link  http://www.a1pros.co.kr
Logo A1PROS - A1 PROs co., Ltd.

IMP8980DE Datasheet(HTML) 6 Page - A1 PROs co., Ltd.

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© IMP, Inc.
IMP8980D DS-5-00
6
Figure 8 Simple Digital Switching System
Figure 9 Non-Blocking 16x16 Switch
Figure 7 Typical Simple Digital Switching System
IN 0/7
IN 8/15
OUT 0/7
OUT 8/15
8980
#1
STi0/7
STo0/7
8980
#2
STi0/7
STo0/7
8980
#3
STi0/7
STo0/7
8980
#4
STi0/7 STo0/7
IMP8980
IMP8980
8980 used
as
speed
switch
8980 used
in message
mode for
control and
signalling
STi0
STi0
Signalling
Logic
MT9964
Filter/Codec
Line Divider
and
2- to 4-
Wire
Converter
STo0
STo0
Dx
Dr
Dr
Line Interface Circuit with Filter/Codec
Controlling
µprocessor
Control &
Signalling
8980
Speech
Switch
8980
Line 1
Line 256
Repeated for Lines
2 to 255
Repeated for Lines
2 to 255
8
8
8
8
STi0-7
STo0-7
STi0-7
STo0-7
.
.
.
.
.
.
Line Interface Circuit
with Codec (e.g. 8964)
Line Interface Circuit
with Codec (e.g. 8964)


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