The instrument has a case of black phenolic plastic and is provided with a push butt on set containing 5 buttons. One button is used for the exchange line and four buttons for the remaining extensions. Calls from extensions are signalled on a D.C. bell in the instrument. A dial is provided for the purpose of calling main exchange subscribers.  The internal components are mounted on a base plate and are readily accessible for adjustment .

The instrument is connected to relay set KFB 1101 over a 30-pin plug. A bell KLA 2144 is added to each instrument that is to receive calls from the main exchange.

Parts:-
Handset - RLF 1801
Transmitter inset - RLA 1820
Receiver inset - RLD 5104
Handset cord - TBS 91309
Dial - RCA 1202
Induction coil - BEK 10153
Feed coil - BEK 10152
Bell - KLD 1005
Instrument cord - TRE 1303
Plug - 225977

DIMENSIONS:-
Height 139mm, width 237mm, depth 178mm.

Net weight 2. 9 kg .

DEH 3102A
Desk Instrument for Intercommunication System with 2 Exchange Lines and 4 Extensions

The instrument has a push but to n set with 5 buttons, 2 for the exchange line s and 3 for the remaining extensions. Otherwise the instrument is identical with DEH 3101 A.

DEH 3101

Last revised: April 06, 2024