SIGMA AM-255 - Manual (Page 10)

2. INSPECTION AND SET-UP page 7
Model AM-255
SYSTEM #2
INPUT SIGNALS RELAY OUTPUTS
Signal Terminal Strip, Pin Signal Terminal Strip, Pin
Radiation Alarm J5-1 Radiation, C J2-1
High Background J5-2 Radiation, NC J2-2
Low Background J5-3 Radiation, NO J2-3
Tamper J5-4* High Background, C J2-4
Common J5-5 High Background, NC J2-5
High Background, NO J2-6
Low Background, C J2-7
Low Background, NC J2-8
Low Background, NO J2-9
Tamper, C J2-10
Tamper, NC J2-11
Tamper, NO J2-12
NOTE: If the tamper input is not used, it must be jumped to the common terminal to prevent
constant tamper alarms.