You have two options for cycling the relay on the dry contact sensor. The first one is from the web interface as shown in the screen shot below.
This shows the example on the securityProbe?s web interface: The second is using the following SNMP commands: snmpset -m all -v1 -c <> <> .1.3.6.1.4.1.3854.1.2.2.1.18.1.25.<> i <> When <> is admin password <> is IP address of unit <> is Port of power relay (default start with 0) is mode to control allow-sensor-control(1), cycle-On-Off-On(8), cycle-Off-On-Off(7), turn-on(3), turn-off(4)