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BF Apartment Station Digital Entry System

PD–166 Issue 1 Installation and Operating Manual Page 11 of 48

Exact power supply requirements depend upon many factors. The number of power

supplies included within a standard „kit‟ or quotation assumes that all controllers are

installed in one location and that there are no extensions.

The following table gives examples of the minimum number of controllers and power

supplies for a given number of entrance doors and flats.

System

Control Equipment and Power Supplies

1 door 16 flats

1 x BFD-DIG door controller for digital panel

4 x BSC4 video controller

2 x PS4 12V 4A power supply

1 door 20 flats

1 x BFD-DIG door controller for digital panel

5 x BSC4 video controller

2 x PS4 12V 4A power supply

1 door 36 flats

1 x BFD-DIG door controller for digital panel

9 x BSC4 video controller

3 x PS4 12V 4A power supply

2 door 36 flats

2 x BFD-DIG door controller for digital panel

9 x BSC4 video controller

4 x PS4 12V 4A power supply

Distributed installations will typically require more power supplies. Also the use of other

equipment such as coded access or proximity readers must be taken into account.

The following table is a guide to how much equipment a PS4 power supply can safely and

reliably feed, please contact technical support for other variations.

Equipment 1 x PS4 can power

Comments

4 x BSC4 video controllers with 1 BF

apartment station per output.

16 apartment stations directly powered.

Extensions may be added if separately

1 x BSC4 video controllers with 2 to 4 BF

apartment stations per output.

Extension phones must be set to ring only,

use the above configuration to allow the

extensions to have a picture while ringing.

1 to 3 BSC4‟s phones + extensions

16 apartment stations directly powered

1 x BFD-DIG door controller and

2 x BSC4 video controllers with 1 BF

apartment station per output

8 apartment stations directly powered.

Extensions may be added if separately

1 x BFD-DIG door controller and

1 x BSC4 video controllers with 2 to 4 BF

apartment stations per output

Extension phones must be set to ring only,

use the above configuration to allow the

extensions to have a picture while ringing.

2 x BFD* door controllers (any type) with up

to 2 cameras and 1A fail safe locks.

Both door controllers must be in the same

location. No spare current available for

other equipment unless both cameras or all

the lock current is not used.

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