Figure 2.14 Block Diagram Of The 16Sli2/16Mwsli Boards - Samsung OFFICESERV 7100 Service Manual

2.5.6.1 Block Diagram
The following figure shows the diagram of the 16SLI2/16MWSLI boards:
C.O Line
For PFT
© SAMSUNG Electronics Co., Ltd.
PFT
Relay
Relay SLIC
DC FEED
HOS
MW
Relay PWM
Relay SLIC
DC FEED
HOS
MW
Relay PWM
Relay
SLIC
DC FEED
MW HOS
Relay PWM
Relay
SLIC
DC FEED
MW
HOS
Relay
PWM
PROTECTION
CCT
RELAY CCT

Figure 2.14 Block Diagram of the 16SLI2/16MWSLI Boards

X 4EA
EPLD
SLAC
SPI/PSI
CODEC, GAIN
Control,
SERIAL I/F
Frequency
for REGISTERs
Divider
in SLAC
HOS Detection
Buffer x 2
PWM FREQ.
RINGER
CCT
RINGER
Selection
SW
OfficeServ 7100 Service Manual
EPLD
DRIVER
CCT
CLOCK CCT
CARD
4.096 MHz
ID
2.048 MHz
FOI
FS
RINGER
20.25 HZ
-48 V MOTHER B'D
+5 V MOTHER B'D
+3.3 V MOTHER B'D
MESSAGE VOLTAGE
EXT. RINGER CCT
SINE WAVE
S
Y
S
T
E
M
M
O
T
H
E
R
B
O
A
R
D
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