12
System Components
2.2 Circuit Adder Modules
2.3 Auxiliary Models
2.4 Enclosures
Model Description
DM-1008A Eight detection circuit modules
SGM-1004A Four signal circuit modules
RM-1008A Eight relay circuit modules
Model Description
PR-300 Polarity Reversal and City Tie Module
Model Description
BB-1024 (add
suffix “R” for red
enclosure)
Surface enclosure 24 circuits
BB-1072 (add
suffix “R” for red
enclosure)
Surface enclosure 72 circuits
POLARITY
REVERSAL
ALARM
POLARITY
REVERSAL
SUPV
CITY
TIE
+ | - + | - + | -
JW4
P1 P2