Panasonic KX-NS500AG - Expansion Unit Mother Board; SLIC;CODEC (SLC) Block

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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
Trunk option
Connector
Extension option
Connector
80PIN CONNECTOR (CPU Interface)
RJ45
POWER I/F
Connector
Expansion bus
SLIC/CODEC bus (SPI)
TDM Highway bus
AFESLIC/CODEC(2ch)
AFE
AFE
AFE
AFE
AFE
AFE
AFE
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
ACALM, DCALM
+40V, GND
+15V, GND
RJ45
RJ45
RJ45
PLD1
(EXT_PLD)
FAN I/F
Connector
+15V, GND
INT(2)
DC/DC
+3.3V, GND
15
12V
INT_SLIC
INT_EXT
INT_CO
FAN_ALM
RJ45
PFT
RJ45
PFT
PFT1-PFT2
PFT2-PFT3
SLT4
SLT3
Relay
To SLT3-SLT4
PFT Relay
RJ45
SLT2
SLT1
Fig.5 Expansion Unit Mother Board Block Diagram