Kaba La Gard 2789 Alarm Cable Connections

2789 Small alarm/battery Box
 

Can be configured as NC or NO by changing the internal jumper.
 

2789 Alarm Cable Connections

4 Wires 26 AWG 

Alarm Relay Connections 
Red and Black 
Normally Open (NO) or Normally Closed (NC) 
Relay Contacts: Settable 
50V DC @ 250 mA Max Load 
Switches 1 sec. 

Remote Input to Disable or Override Lock 
Yellow: Positive Input (+) 
Green: Negative Input (-) 
5-12V DC @ 20 mA Max Input