45681-284 Apollo XP95 Isolating Detector Base

The Isolating Base senses and detects short-circuit faults on Discovery and XP95 loops and spurs.

The base is is loop-powered, polarity sensitive and accepts the XPERT card to set the associated device address.
In short circuit conditions the integral yellow LED is illuminated.
The detector assocoiated with the base remains active under short circuit conditions.
Power and signals to the affected section are restored automatically when the fault is cleared.