ERICSSON N1970A and N1970B

ERICSSON
TELEPHONE No. N1970A and 1970B

TABLE TELEPHONE
AUTOMATIC

Table telephone for use on automatic exchange lines.

Available in all the standard seven colours.

All the telephone components, except bell ringer, are mounted on a printed circuit board that is fitted behind the dial. The printed circuit has no screw terminals. The cords are connected by means of push on connectors, which plug into the side of the circuit board. The circuit board also has eyelets and the components are pushed into these.

This telephone could be supplied with or without a regulator.

The base plate has punched slots under the bell gongs.

The N1970A may have a bell ringer volume control, but this has not been confirmed.

Known models
N1970B28T - Green cased with dial with arrows - Circuit board N103476 with regulator.
N1970B36T - Black cased with dial with arrows - Circuit board N103476B1 with no regulator.

Circuit diagram - N104688

Additional Pictures
Courtesy of Christopher Colt