Connection - Alphatech (en)

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Brave Smyle mother board

  • (1) + (3) + (7) + (11) - version /C only

  • relay 2 version (C) only


1. Camera lighting - infra LED. It lights up space before camera when is active. It is possible switch off (via. item 7)   version for camera only /C
2. Connector to PC connection via USB cable
3. Analog colour camera
version with camera /C only
4. Speaker connection
5. Microphone connection (caution on polarity)
6. DIP switch in all models:

1 =  Service, usage when programming password is forgotton.  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

7.  DIP switch position in versions (C) and /C:

3 =  external power supply
4 =  external power supply
switching 3 and 4 simultaneously. The powering is used from screw 12V (11) due following reasons:

- using relay mode 7 or 8 tpermanent switching ON/OFF is possible only with external power supply.  Dont 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

8.  Analog telephone line (not depends on polarity)
9. Grounding
connection to ground of static electricity protection protects electronic of door intercom as same  as PBX
10. Relays are galvanically isolated - max. 48V, max. 1,5A

model (C) has 2 relays
model (LC) has 1 relay only

11.  Camera output - PAL video 1V / 75ohm. For distance longer than 25m we recommend coax cable. For other installation  UTP cable is also available.  /C model only
12. 12V power supply:  - relays control

  - mother board heating
   - cards backlighting
   - camera powering and infra LED camera lighting up
   - external powering of unit (DIP 3 and 4)

The power supply might be AC as same as DC, not depends on polarity, max consumption 250mA from 12V.
The power supply might be used also for electrical lock powering. Then we recommend  power supply 12V/1A.
You can also use 24V DC power supply. It is useful mainly at installations where power supply is already installed and it is used for sliding doors, RFID, etc.. The heating has control element to restrict power.
The remaining components are designed for voltage up 24V DC!!!

It not depends on polarity.

Last change: 29.1.2020
JR2011-2018
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