User's Manual
Table Of Contents
External Monitor (Optional)
28
Normally Closed ( )
A normally closed contact remains closed when inactive. Once activated, the
contact is opened, and your message is transmitted.
Wiring Recommendations
• Use only 20-gauge cable to wire the monitor to the MOC.
• The length of the cable between the MOC and the monitor should not exceed
300 ft.
Wiring Instructions
1. Remove the back cover (see Steps 1 and 2 of “Installing the Batteries”).
Once activated
Inactive:
Normally closed external contact
Contact
Contact