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Installation
3.2.1 Board Layout
Figure 3.1 shows the location of terminals, dip switch, and circuit expander connection, used in the
installation of the ECC-50BDA.
AC Transformer
Connector
W G B
TB1
TB2
OUT
IN
+
-
Battery
Connector
ECC-50/125DA Instruction Manual — P/N LS10027-000FL-E:D 5/21/2015
J1
Amplifier B
Amplifier A
TB5
TB6
+
-
+
-
+
-
+
-
+
-
+
-
Audio Circuits
Figure 3.1 ECC-50BDA Board Layout
firealarmresources.com
ECC-50BDA Backup Remote Amplifier
Audio
Riser
not used
-
+ - +
OUT
IN
TB3
SW3
SW4
OUT
IN
TB4
+
-
+
-
B A +
Data
Bus
SW1
test
switches
SW2
Data Bus ID
Dip Switch
Amp mode
Dip Switch
ECC-50WBU
Connection
-
27
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