GPO 706F Connections? - UK Vintage Radio Repair and Restoration Discussion Forum

mark pirate · 2nd Sep 2008, 9:18 pm

Hi all, this is my first post in this section, i have a gpo 706f phone which i would love to use, can this be wired to work with a standard bt lead?
If so, how & where do i connect the four wires from the bt lead?
any advice would be gratefully received.
Btw there the remnants of two cut off wires (see pics)

Mark

AndiiT · 2nd Sep 2008, 9:36 pm

Hi,
Information on how to convert a 706/746 to PST (plug, socket, telephone) working can be found at the following link
http://www.britishtelephones.com/pstconv1.htm#700

Regards
Andrew

mark pirate · 2nd Sep 2008, 10:32 pm

Hi Andrew, thanks for the link, interesting site, but cannot find a diagram on
how to connect new bt lead, my phone does not have marked terminals like the later version

i need to identify what terminal is what, this seems like it was used with only two wires?

Mark

Station X · 2nd Sep 2008, 10:38 pm

In your left hand picture T1 is at top left. Numbering is left to right and continues left to right in the lower row. Just like reading a book.

mark pirate · 2nd Sep 2008, 10:49 pm

Many thanks Graham, it now makes sense

i will now attempt to get it working!

Mark

AndiiT · 3rd Sep 2008, 10:28 am

Hi,
As Graham says T1 is at the top left etc. if you look very closely at the moulding you may see T1, T9, T10 and T19 inscribed in the moulding close to the appropriate terminals.
This does also depend on the age of the phone; I have seen phones of this type with both visible and non-visible markings.

Regards
Andrew

mark pirate · 4th Sep 2008, 7:57 pm

Phone now working a treat

Love the ring, brings back memories

Now in the lounge as main phone (looks much better than the modern tat it has replaced) Thanks to all for the help.
P.S. this had the 'non-visible markings'

Mark.

2nd Sep 2008, 9:18 pm	#1
mark pirate Dekatron Join Date: Mar 2008 Location: Worthing, West Sussex, UK Posts: 5,185	GPO 706F Connections? Hi all, this is my first post in this section, i have a gpo 706f phone which i would love to use, can this be wired to work with a standard bt lead? If so, how & where do i connect the four wires from the bt lead? any advice would be gratefully received. Btw there the remnants of two cut off wires (see pics) Mark Attached Thumbnails

2nd Sep 2008, 9:36 pm	#2
AndiiT Octode Join Date: Aug 2005 Location: Saltburn-East, Cleveland, UK. Posts: 1,786	Re: GPO 706F Connections? Hi, Information on how to convert a 706/746 to PST (plug, socket, telephone) working can be found at the following link http://www.britishtelephones.com/pstconv1.htm#700 Regards Andrew

2nd Sep 2008, 10:32 pm	#3
mark pirate Dekatron Join Date: Mar 2008 Location: Worthing, West Sussex, UK Posts: 5,185	Re: GPO 706F Connections? Hi Andrew, thanks for the link, interesting site, but cannot find a diagram on how to connect new bt lead, my phone does not have marked terminals like the later version i need to identify what terminal is what, this seems like it was used with only two wires? Mark

2nd Sep 2008, 10:38 pm	#4
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,289	Re: GPO 706F Connections? In your left hand picture T1 is at top left. Numbering is left to right and continues left to right in the lower row. Just like reading a book. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.

2nd Sep 2008, 10:49 pm	#5
mark pirate Dekatron Join Date: Mar 2008 Location: Worthing, West Sussex, UK Posts: 5,185	Re: GPO 706F Connections? Many thanks Graham, it now makes sense i will now attempt to get it working! Mark

3rd Sep 2008, 10:28 am	#6
AndiiT Octode Join Date: Aug 2005 Location: Saltburn-East, Cleveland, UK. Posts: 1,786	Re: GPO 706F Connections? Hi, As Graham says T1 is at the top left etc. if you look very closely at the moulding you may see T1, T9, T10 and T19 inscribed in the moulding close to the appropriate terminals. This does also depend on the age of the phone; I have seen phones of this type with both visible and non-visible markings. Regards Andrew

4th Sep 2008, 7:57 pm	#7
mark pirate Dekatron Join Date: Mar 2008 Location: Worthing, West Sussex, UK Posts: 5,185	Re: GPO 706F Connections? Phone now working a treat Love the ring, brings back memories Now in the lounge as main phone (looks much better than the modern tat it has replaced) Thanks to all for the help. P.S. this had the 'non-visible markings' Mark. Attached Thumbnails