Fire-Lite ECC-125DA/E Distributed Audio Amplifiers - Manual (Page 21)

ECC-50/125DA Instruction Manual — P/N LS10027-000FL-E:B 8/13/2013 21
Installation ECC-125DA Remote Amplifier
2.1.6 Data BUS Wiring
This section contains information on how to connect ECC-125DAs (up to 8) 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-125DA as shown in Figure 2.7 or Figure 2.8.
OU
T
–+
IN
–+
BA
+
–
SBUS
Figure 2.7 Data BUS Connections of the ECC-125DA
Supervised,
Power-limited
12
5d
ad
a
ta
wir
e.
wmf
ECC-125DA
ECC-50/100
main control board
OU
T
–+
IN
–+
BA
+
–
SB
US
OU
T
–+
IN
–+
BA
+
–
SB
US
to next ECC-125DA (max 8)
Figure 2.8 Connecting Multiple ECC-125DAs to the Data BUS
Supervised,
Power-limited
mu
lti1
25
da
da
ta
.w
m
f
ECC-125DA
ECC-125DA
ECC-50/100
main control board