12
KX-NS500AG
4.3.2.
Expansion Unit Mother Board
Fig.5 shows detail block diagram of Mother Board, and each function of Base is described in Table.7.
Table.7 Expansion Unit Mother Board Function Description
4.3.3.
SLIC/CODEC (SLC) Block
Refer to Service Manual of KX-NS5173/KX-NS5174.
Device/Function Block
Description
PLD1(EXT_PLD)
PLD1 controls and monitors SLIC/CODEC LSI of each analog line port.
SLIC/CODEC
SLIC/CODEC is exclusive LSI which is used for analog line interface.
8) Line interface power supply
9) Dial pulse detection
10) DTMF receiver / Caller ID generation
11) Bell signal generation
12) Hooking detection / Ringtrip detection
13) 2W/4W conversion
14) CODEC function
Trun
k
option
Connector
Extension option
Connector
80PIN
CONN
ECT
OR
(CP
U
Int
er
fa
ce)
R
J
45
POWER I/F
Connector
Exp
a
nsi
on
bu
s
S
LIC/CODEC bus (
S
PI)
TDM Hi
g
h
wa
y bus
A
FE
S
LIC/CODEC(
2
ch)
A
FE
A
FE
A
FE
A
FE
A
FE
A
FE
A
FE
S
LIC/CODEC(
2
ch)
S
LIC/CODEC(
2
ch)
S
LIC/CODEC(
2
ch)
S
LIC/CODEC(
2
ch)
S
LIC/CODEC(
2
ch)
S
LIC/CODEC(
2
ch)
S
LIC/CODEC(
2
ch)
A
C
A
LM, DC
A
LM
+40
V
, GND
+15
V
, GND
R
J
45
R
J
45
R
J
45
PLD1
(E
X
T_PLD)
F
A
N I/F
Connector
+15
V
, GND
INT(
2
)
DC/DC
+3.3
V
, GND
15
1
2V
INT_
S
LIC
INT_E
X
T
INT_CO
F
A
N_
A
LM
R
J
45
PFT
R
J
45
PFT
PFT1-PFT
2
PFT
2
-PFT3
S
LT4
S
LT3
Re
l
a
y
To
S
LT3-
S
LT4
PFT Rel
a
y
R
J
45
S
LT
2
S
LT1
Fi
g
.5 Exp
a
nsion Unit Mother Bo
a
rd Bloc
k
Di
ag
r
am
Summary of Contents for KX-NS500AG
Page 21: ...21 KX NS500AG 5 Location of Controls and Components 5 1 Name and Locations ...
Page 24: ...24 KX NS500AG 9 1 1 Startup ...
Page 25: ...25 KX NS500AG ...
Page 26: ...26 KX NS500AG ...
Page 27: ...27 KX NS500AG ...
Page 28: ...28 KX NS500AG 9 1 2 Battery Alarm ...
Page 29: ...29 KX NS500AG 9 1 3 Using Voice Mail ...
Page 30: ...30 KX NS500AG Using Voice Mail continued ...
Page 34: ...34 KX NS500AG 9 2 3 41V are Not Output Only 15V is output ...
Page 35: ...35 KX NS500AG 9 2 4 Battery Backup Function Does Not Operate PSU can Not Charge Batteries ...
Page 43: ...43 KX NS500AG 11 3 3 Power Supply Board ...
Page 59: ...59 KX NS500AG 12 2 Memo ...
Page 73: ...73 KX NS500AG 12 5 Memo ...
Page 131: ...131 KX NS500AG 16 Appendix ...