SWEDISH ERICSSON |
TELEPHONE No. DF 250
TELEPHONE - TABLE
Telephone for one conference telephone line and one CB exchange line
Calls from the master station are received by lifting the micros telephone and pressing the white button, and calls from the exchange line by pressing the red button. When the micro-telephone is replaced the press buttons return to home position. The master station is called by lifting the micro-telephone and then pressing the white button. The corresponding indicator on the switchboard will then be actuated. If the white button is pressed in bottom position the bell of the master station will ring.
Calls to or from the CB exchange are handled by lifting the micro-telephone and pressing the red button, after which the station will be in communication with the CB exchange.
Taken from the L. M. Ericsson Telephones and Signalling Material Catalogue No. 188 (1934)
Last revised: October 12, 2019