imp8980d A1 PROs co., Ltd., imp8980d Datasheet - Page 6

• Manufacturer Part Number: imp8980d
• Description: Pcm Digital Switch
• Manufacturer: A1 PROs co., Ltd.

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