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9 BLOCK DIAGRAM
9.1. SYSTEM BLOCK DIAGRAM
Tone
Po
w
e
r Switch
DP
H4 Card
BV2
BV1
DOOR1
DOOR2
BV Card
OGM
Card
Ser
ial
Flash
PI
O
CO
8
Int.CID
3
BV
2
BGM
1
DPH
2
INT
4
Paiging
2
Tone
2
DTMF-R
2
DTMF-G
1
8port
Extension
Block
2port
Co
Block
PI
O
8port
Extension
Block
3port
Co
Block
PIO
Cross Point
DTMF-R
8port
Extension
Block
3port
Co
Block
Cross Point
Flash
ROM
SRAM
CPU
DSP
SRAM 8Mbit
CN710
DSP
#2
DSP
#1
CN707
DPH Block #1,
#2
PIO
DPH Block #3, #4
CN708
CID Card #3
FPGA
PI
O
S/
P
FSK Detect
x3
Jack
x8
Cross Point
Jack
x2
Jack
x8
Jack
x3
Jac
k x
8
Jack
x3
DTMF Detect
Stutter Detect x3
CID
Card
#1
Same as
CID
Card
#3
CN706
CN71
1
C
N
712
3AP
Card
2AP
Card
1AP
Card
DTMF-G
for CO
CO1-3
ext1-8
CO
4-6
ext
9-16
CO
7-8
ext
17-24
RS232C
Bel
l
A
C
75V
25H
z
CN
60
0
Ext Paging
Ext Music
CN
601
Ho
st
I
/F
AC
IN
25H
z
+1
5V
-1
5V
+3.
3V
2
2
USB
In
t.
C
ID x
3
BGM
MODEM(Rx, Tx)
OGM(Play, Rec) x2
Vo
lt
a
g
e
ch
e
c
k
R
e
ct
if
ica
tio
n
R
e
ct
if
ica
ti
o
n
battery
bac
k
up
cir
cu
it
Over current
Detect ci
rcui
t
c
ontrol
cir
c
u
it
V
o
lt
age
c
h
ange
noi
s
e
fi
lt
er
L
N
FG
Surge p
rotec
to
r
Ri
nger
Amp.
cir
cu
it
C
N
7
0
5
24
V
G
N
D
E
x
p
a
n
s
i
o
n
C
o
n
n
e
c
t
o
r
E
x
p
a
n
s
i
o
n
C
o
n
n
e
c
t
o
r
DTMF-R
KX-TES824
UA
/KX-TEM824
UA
SYSTEM BLOCK DIAGRAM
+27V
POWER
SUPPLY
IC601
L1, L2
Z1
IC8
IC7
IC2A~C
IC1A~C
IC7
IC600, IC601, IC602
IC613
IC614
IC511
IC512
IC500
IC501
IC502
IC704
IC705
IC701
IC702
IC703
IC700
IC10
IC6
IC705
IC704
IC700
CN703
CN704
IC1
IC2
IC3
IC4
CID
Card
#2
Same as
CID
Card
#3
16
KX-TES824UA / KX-TEM824UA /
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