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1. Basic Description
DIP switch description
1 =
Service, usage – when programming password is forgotten. Incoming call is going directly to
programming mode where you can set new password.
2 =
Heating – switch ON integrated heating of mother board to increase resistance against
condensation water during changes of temperature
3 =
external power supply
4 =
external power supply – switching 3 and 4 simultaneously. The powering is used from screw 12V
due following reasons:
- Using relay mode 7 or 8 – permanent switching ON/OFF is possible only with external power
supply. Don’t forget setup Parameter 64.
- Connection of door intercom to certain type of PBX which has problems with current consumption
on its extensions during start (Siemens).
5 =
Camera lighting up (switch ON/OFF lighting of space before camera via infra LED)
6 =
Cards lighting (switch ON/OFF Leds backlighting for cards beside button)
7 =
Activate permanent camera operation. In default camera is active only when door intercom is
active.
8 =
Allows connect 75ohm to camera output - impedance
1.1. PCB Schematics
USB cable
connector
Handicapped
norm LED
Mini Dip Switch
Button 2
Button1
Button 3
Button 4
Out button
Relay 2
Relay 1
GND
Analog line
Speaker
backlight label LED
12V Power supply