How to lock access to the panel program to prevent take overs.
D9112B1, D2012, D2112, D2212, D2412, D2812, D7212B, D7212B1, D8112G2L, D9112, D9112B, D9112B1
How to use the EN1210W or ISW-EN1210W with external contacts.
The EN1210W or ISW-EN1210W will not go normal when the external contacts are strapped out.
How to interpret the B520 Auxiliary Power Supply Module status LEDs.
The Heartbeat, battery and AC LED's are used to indicate the operational status of the B520 Auxiliary Power Supply.