what do option boards do?

RELATED FAQS

Question
Answer
Communication takes place between the 2Q option board and the Von Duprin QEL exit device.  If this communication does not occur then the device will not retract.  The 900-2Q board is not ...
The 900-4R is used with PS900 series power supplies. The 900-4R has four independent outputs and inputs with no time delay.  You can use any of these outputs with electrified hardware including EL...
We no longer offer a delay egress board in the P900 series power supplies.
The delay egress is controlled in the exit device (Von Duprin Chexit), the magnetic lock, or other locking device.
 The Basic PS914 power supply will not accept a 900-FA fire alarm board. 900-8F option board is required with PS914 power supply to accept 900-FA fire alarm board (900-8F is an adaptor board for...
If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...
When the new PS900 series power supplies were created we did not pursue a version of these option boards.  Need to discuss the specific hardware they are using and requirements to determine the app...
The following Legacy information is important to understand before cross referencing power supplies: PS-900 option boards will NOT install onto the legacy power supplies. This includes battery a...
Von Duprin PS914-4RL power supply replaces the PS873-4TD.
You can power both mag locks and EL devices from PS914 power supply.
It requires 900-4RL and 900-FA option boards to release the mag locks when a fire alarm is activated. Specify PS914 x 900-4RL x 900-FA.