Adaptor, Planset No. 1

The Adaptor, Planset No. 1 was introduced specifically for the Telephone No. 706.  It was only used when a Telephone No. 706 was fitted to a Planset N625 Table.

Adaptor, Local Battery No. 1
A metal bracket fitted with an Capacitor, Paper No. 7727 and a springset comprising of 1 x M and 1 x C contact sets.

These were used on the Telephone No. 706.

Introduced in 1961.

Made by Ericsson, their part N23517A1.

Drawing - 91580.

Adaptor, Planset No. 1

The adaptor bracket is hidden behind the switch hook upright.  The springset can be seen
to the left and the capacitor is above the terminals.  The bracket is fixed by means of the two nuts, seen
on the switch hook upright.

Wiring schematic

Last revised: July 26, 2024