Marmitek DOORGUARD300TM user manual EXTRA POSSIBILITIES WITH YOUR DOORGUARD300, Marmitek

DoorGuard300 03-07-2007 12:05 Pagina 6

5. EXTRA POSSIBILITIES WITH YOUR DOORGUARD300

a.Connecting an electric door opener

-To open the door from the monitor (figure 8).

-You need an electric door opener with its own power supply. The door-open-contact of the monitor is a potential-free normally-open (NO) contact.

-The maximum load for this contact is: DC24V/1A or AC24V/1A.

-You need to connect the door opener onto the L+ en L- connectors of the monitor, using the supplied cable.

indoormonitor

outdoor station

		figure 8
door opener	adaptor

door opener

Terminals function:

Brown (R1) : VIDEO

Black (R2) : GNO

White (R3) : AUDIO

Red (R4) : VCC

L+ : dooropener

L- : dooropener

adaptor

b.Connecting multiple monitors

-To be able to see who is at the door from several places (max. 4). Upon that, you now have an intercom system (figure 9). Available separately:

DoorGuard300	Black/white Hands Free monitor:	art.no: 09786 (E version) 09787 (UK version).
DoorGuard100	Black/white monitor:	art.no: 09692 (E version) 09693 (UK version).

-Beware: Only the last monitor that you connect should be switched on 75 Ohm.

-The remaining monitors are to be connected parallel. The DoorGuard300 monitor is provided with an extra connector for the connection of an

extra monitor.
- If you want to bridge a greater distance, then			Figure 9.
check out the following table for the required		door opener
cable type.
Cable length	Required cable type
1-25m	4 core cable of minimum 4x 0,55mm2
25-50m	coax cable, 75 ohm of minimum 0,5mm2 + 2 wire audio 0,35mm2
50-100m	coax cable, 75 ohm of minimum 1.0mm2		+ 2 wire audio 0,35mm2
100-300m	coax cable, 75 ohm of minimum 1.5mm2		+ 2 wire audio 0,5mm2

c. Marmitek Camera corner bracket

To be able to mount your DoorGuard300 camera in the corner of the door frame. Art.no: 09746

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