Door entry system

[Amandeep Sofat]

Hi, I am not sure how this works. Can someone help me? One of my customer needs handset replaced. I got bitron universal.there are 4 cables in the flat with different colour and 3 white cables. One of the cable.is positive. But in old handset there are 4 cables as well. Its 4 flat door entry system audio.Many thanks

 

[Handymanjo]

What make is the original D/E system.

 

[Amandeep Sofat]

Old system is Seko LT

 

[Handymanjo]

Have you checked the the Bitron handset work's with seko

 

[Amandeep Sofat]

Yes, I have tested with bitron universal as photo attached. I can't get my head around how to connect them as it's not ahowingbin the chart of bitron universal.

 

[sparkymarka]

Two things ... do you have a picture of the old handset ....with the wires still attached ? Or a picture of the speech unit wiring outside ....not the picture with the buttons on , the rest of it ?

 

[Amandeep Sofat]

Photo 2

• Amandeep Sofat
• 1 Jan 2019

Photo 1

• Amandeep Sofat
• 1 Jan 2019

These are the pictures of old handset.

 

[sparkymarka]

A think the clue was " with the wired still attached ! "