MT90812 Mitel Networks Corporation, MT90812 Datasheet - Page 23
MT90812
Manufacturer Part Number
MT90812
Description
Integrated Digital Switch (IDX)
Manufacturer
Mitel Networks Corporation
Datasheet
1.MT90812.pdf
(105 pages)
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Advance Information
Channels that can be included in a conference include; the 64 channels of STi0 and STi1, and the channels of
the four expansion bus blocks. In fact any location in Local or Expansion Data Memory can be specified as in
incoming conference source, including the 32 tones or the DBT output.
*Refer to Fig. 15 for address information.
Incoming Channel
30-3E
08
09
04
05
H
H
H
H
H
60-6E
CONFO: CID
CC: TD2-0, CFEN
INTS: CFS
INTE: CFE
CPC1-15:
CID,ST,IT,GCout
Control Registers
STi
(input)
STo
(output)
H
*
Conf #1
Incoming Data
Conference Output
Data Memory
B+C+F
slot 8
A
slot 9
A+C+F
Figure 13 - Conference Circuit Block Diagram
Figure 14 - Four Party Conference Example
B
Noise Suppression
Channel Inversion
Gain Pad
slot 10
A+B+F
Gain Pad
C
1 frame (32 timeslots)
slot 11
D
H
slot 12 slot 13
60-6E
Add / Subtract
E
G
6F
H
H
A+B+C
*
Accumulator 1
Accumulator 5
F
GCin,Inv,NS
Gain
High
slot 14
E
G
Connect Memory
slot 15
H
D
Incoming Channel
Insertion Tone
Low
MT90812
19
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