Handset
for special purposes with four way cord.Can also be found with a built in switch of three different variants. These models were called Tele No. 184A, B & C.
Handset
for special purposes with four way cord.
Can also be found with a built in switch of three different variants. These models were called Tele No. 184A, B & C.
The switch could be configured in different ways:-
A - CB & Auto areas. Pressing switch removes short circuit from transmitter. (3 wire)
B - LB systems. Pressing switch (locking) completes transmitter circuit. (3 wire)
C - Supervisors use. Locking switch that completes transmitter circuit. (4 wire)
Circuit diagram N284.
Click here for the circuit diagram - Web users - CD users.
See also the Telephone Efficiency Committees Report
on Local Battery Area telephones.
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