The unit is a loop-powered addressable magnetic door release. It is directly powered
from the loop and therefore doesn't require external supply. Activation of the unit
is achieved using cause and effect programming as used for I/O unit.
A built-in loop isolator is provided. When a short condition exists in either side of
the loop connections, a yellow LED will be turned ON. Its operation will be reset after
the fault condition is removed.
The activation of the GFE-DHA-ISOLATOR module can be achieved as part of the cause and
effect programming of the panel and it operates in the same way as an I/O unit. This unit
should normally be assigned to either a specific device or a specific zone.