SEC-H-600 SECURITY CONTROLLER
95-7759—07 26
POWER UP AND INITIAL CHECKOUT
Ensure power wiring to the Security Controller is ready—see “Power Wiring,” page 25. Refer to Fig. 4 on page 12 for the 
locations of the NiMH battery connector, status LEDs, and 4-position connector for 12V sealed lead acid backup battery(ies).
Following all mounting and wiring, perform the following:
1. Connect the Backup Batteries.
2. Apply Power.
3. Check the Status LEDs.
Connect the Backup Batteries
For background details, see “About the Backup Batteries,” page 27. Make the following battery connections:
• Connect the NiMH Battery
• Connect the Backup Battery
Connect the NiMH Battery
With the cover removed from the Security Controller, locate the red and black wires coming from the NiMH battery pack, with 2-
position connector plug. Insert the plug into the battery connector on the bottom board (near option slot 2 area), as shown in the 
figure below.
Fig. 15. NiMH battery connector on Security Controller bottom board.
This connector is keyed—you cannot insert it incorrectly. The red (positive) connection should be the furthest from the two 30-pin 
option board connectors. Replace the Security Controller cover after connecting the battery. 
NOTE: The NiMH battery is required to provide sufficient 
time for an orderly shutdown in the event of a 
power failure.
NiMH 
Battery 
Pack
NiMH 
Battery 
Connector