Expansion Unit Mother Board; Slic/Codec (Slc) Block - Panasonic KX-NS500AG Service Manual

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.
INT(2)
+15V, GND
ACALM, DCALM
Fig.5 Expansion Unit Mother Board Block Diagram
Table.7 Expansion Unit Mother Board Function Description
Device/Function Block
PLD1(EXT_PLD)
SLIC/CODEC
4.3.3.

SLIC/CODEC (SLC) Block

Refer to Service Manual of KX-NS5173/KX-NS5174.
SLIC/CODEC bus (SPI)
INT_SLIC
PLD1
INT_EXT
(EXT_PLD)
INT_CO
Extension option
Connector
Trunk option
Connector
TDM Highway bus
+3.3 V, GND
DC/DC
FAN_ALM
FAN I/F 15
Connector 12V
+15V, GND
POWER I/F
+40V, GND
Connector
PLD1 controls and monitors SLIC/CODEC LSI of each analog line port.
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
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
SLIC/CODEC(2ch)
Description
12
AFE
RJ45
AFE
AFE
RJ45
AFE
AFE
RJ45
AFE
RJ45
AFE
SLT4
SLT3
RJ45
AFE
SLT2
SLT1
To SLT3-SLT4
PFT Relay
RJ45
PFT
PFT2-PFT3
RJ45
PFT
PFT1-PFT2