Bell Black M719S Multi-door Switching Unit
This unit allows the operation of a door entry system from two entrances. Several units may be combined to extend operation up to a maximum of eight entrances. When a telephone is called from a given entrance, the switching unit connects the telephone to the speech unit of that panel only for a fixed period (adjustable 25-230 seconds). During this time pressing the lock release button on the telephone will operate the lock of the calling door only. Boxed.
Bell Black M719S Multi-door Switching Unit
£6.40
Bell Black M719S Multi-door Switching Unit
SKU: P663BC
Category: Accessories
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