FAAC B680H Instruction Manual page 155

DL1
ON
DS1
DL2
BUS BUS
RX - TX
DL1
ON
DS1
J6
DL2
BUS BUS
Fig. 29
DL2
ON
DS1
BUS BUS
DL2
ON
DS1
BUS BUS
Fig. 27
31
c d
a b
Fig. 28
f
e
Fig. 30