SIEMENS BROTHERS No. 307

This information is based on the South American model.

Conversion to the the UK plug and socket system

1. White of new line cord to L.

2. Red of new line cord to L2.

3. Blue of new line cord to C.

4. Green of new line cord is not used and should be insulated.

5. Fit a 3.3k resistor between L and E.

6. Fit a rectifier element 205 across telephone terminals 5 and 6.

7. Disconnect one wire from one of the terminals on the square capacitor fitted on the base plate and insulate.

Click here to find out about conversion kits

Diagram

Last revised: August 19, 2007

FM2