CONVERTERS RINGING


Converters Ringing No. 4

Input - 250 volt ac
Output - 66 volts ac 25hz

Will ring up to about 20 bells.

Output is continuous.

Dimensions
12" x 5" x 6"

Click for more information


 
Converters Ringing No. 5

Input - 250 volt ac
Output - 66 volts ac 25hz

Will ring up to about 35 bells.

Output is continuous.

Dimensions
19" x 7" x 6"

The Converters Ringing No. 5 is the larger of the two in the picture.

Click for more information

 


 
Converters Ringing No. 6

Click for more information

 

Converters Ringing No. 7

Input - 250 volt ac
Output - 66 volts ac 25hz

Will ring up to about 6 bells.

Output is continuous.

Dimensions
3" x 4.5" x 4"

The Converters Ringing No. 6 is the smaller of the two in the picture.

Click for more information

 

   
Converter Ringing No. 9A

Used when an external extension is fitted to a Planset N625

 

 

 
 
BACK Home page BT/GPO Telephones Search the Site Glossary of Telecom Terminology Quick Find All Telephone Systems

Last revised: November 29, 2010

FM