![]() TELEPHONE DF 310 | ||||||
TELEPHONE - TABLE DF310 Parts: Dimensions: Weight inc bell box 3.6 kg. One public exchange line and one line from a private exchange, Type OL, can be connected to this telephone. The public exchange may be on the LB or CB system. The telephone is connected to the public exchange line by pressing the red button and to the private exchange by pressing the white button. The bell of the telephone will ring for calls from the main line and that of the bell box for local calls. Conversations on one line cannot be overheard on the other. When a call comes in over the public exchange line the red button is pressed and conversation can take place. If the call is to be transferred to another telephone connected to the private exchange, the latter is called by means of the white button and the dial, and the call is transferred by replacing the microtelephone of the first telephone which is disconnected at the same time. If the called party is engaged or does not answer the
operator can return to the exchange line. For this purpose the red button is
pressed to bottom position. The local line of the operator's telephone is
engaged only during the transfer of calls; when this has been Taken from the L. M. Ericsson Catalogue No. 188 (1934) Circuit diagram - 138269.
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Last revised: June 08, 2024FM2 |