Comfort bus telephone
BTC 850-02 WH/W

Comfort bus telephone for Siedle In-Home bus.
With the functions calling, speech, door release, light, storey call, switching/control functions and internal communication.
Performance features:
• Hearing protection, audio privacy device integrated
• Muting and status display
• Parallel switching of 4 deluxe bus telephones (from the 3rd device, the PRI 602-… USB and ZBVG 650-… are required for programming)
• Call differentiation for storey call, 2 door calls and internal call
• Call generator with 11 call tone sequences, including chime
• Call volume adjustable in 5 stages up to max. 83 dB(A)
• Door release/light function at any time using bus cores
• Door connection possible at any time
• 8 display LEDs (e.g. door open)
• 8 function buttons, 7 freely configurable and capable of double assignment. Button functions can be freely assigned and actuated without additional installation via bus wires, e.g. for internal telephony
• Door call acceptance
• Doormatic
• Call forwarding
• Base plate with pre-installable terminals
• Parallel switching accessory ZPS 850-…, in order to connect a maximum of 4 additional bus telephones in parallel, retrofittable
• Interfacing relay accessory ZAR 850-… retrofittable
• Can be used with table-top accessory ZTC 800-… as a table-top device