SIGMA AM-255 - Manual (Page 8)

2. INSPECTION AND SET-UP page 5
Model AM-255
2.2.3. Connect the Positive Battery Cable:
The positive battery cable is disconnected for shipping, and must be connected to the positive
battery terminal.
2.2.4. Power:
Plug the power cord into a standard 90 to 250Vac outlet.
2.2.5. Toggle Power Switch:
There is a toggle power switch on the circuit board. This switch must be turned on (away from
the connector edge of the board). The green power LED on the front panel will be illuminated
to indicate that the battery is charged and connected, and the power switch is in the on position.
2.2.6. Jumper:
There is a jumper on the AM-255 board to select blinking or steady alarm lamps. The board will
be jumped for blinking when the unit is shipped. If steady lamps are preferred, move the jumper
to the steady position.
2.3. WIRING INSTRUCTIONS
Four strain reliefs are provided in the back panel of the enclosure to accommodate The cables
from the portal system(s) and the relay outputs to the site’s alarm system. Remove the cap by
unscrewing it, remove the plastic washer and rubber weather seal. Feed the cables through the
nut, washer, seal, and into the enclosure.
NOTE: There is a nylon tool for the terminal strips supplied with the AM-255. It is shipped on
the key ring along with the keys for the key switch.