Filter
Top Products
BASIC BOARD MODULE (BBM)
7-2
Figure 7-1 BASIC BOARD MODULE BLOCK DIAGRAM
J12
TP8
P33
M-LEAD OUTPUT
MA
MB
EB
EA
DETECTOR
E-LEAD
-15V
-48V
3
2
1
J36
PO
VX
CODEC
R83
TP5
TP3
PCM LOOPRCM
AUDIO
PCM FSK
PERSONALITY CARD TX
TxDTMF
TxPCM
FSR
1
2
3
J27
CARD
PERSONALITY
FROM
DTMF DECODER
U51
J11
TO PERSONALITY CARD
6
5
4
3
2
1
R44
TXA+
TXA-
R41
RXA+
RXA-
S1
S4
8
7
6
5
4
3
2
1
4
3
2
1
S3
R102
TD
UART
U6
RD
SEL
TP4
RD
RC
TD
FSK
U16
TC
R86
R90
4
3
2
1
TP9
RXS-
TXS-
RXS+
TXS+