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Installation
3.2.6 Data Bus Wiring
This section contains information on how to connect up to eight (8) ECC-50BDAs onto the main
control Data BUS. Refer to the ECC-50/100 Manual for Data BUS specifications. Wire the Data
BUS from TB12 on the main control board to the ECC-50BDA as shown in Figure 3.8 or
Figure 3.9.
ECC-50BDA
to next ECC-50BDA
(max. 8)
Refer to section 2 of the ECC-50/100 Manual for information on setting SBUS addresses.
ECC-50/125DA Instruction Manual — P/N LS10027-000FL-E:D 5/21/2015
ECC-50/100
main control board
TB4
B
A
+
-
Figure 3.8 Data Bus Connections of the ECC-50BDA
ECC-50BDA
TB4
B
A
+
-
Figure 3.9 Connecting Multiple ECC-50BDAs to the Data Bus
firealarmresources.com
ECC-50BDA Backup Remote Amplifier
Supervised,
Power-limited
ECC-50/100
main control board
ECC-50BDA
TB4
B
A
+
-
Supervised,
Power-
limited
33
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