|Type OD 2250
Floor Pattern Switchboard
Common Battery System
OD 2250/10+40 shown pictured to the right.
Polished walnut, with the jack and indicator field covered with fibre.
1 x JACK, for each line.
1 x PAIR OF CORDS with 3-point plugs (see table for number of cord circuits on each board).
1 x RELAY for each cord circuit.
1 x CALLING INDICATOR for each Exchange Line.
1 x CALLING AND CLEARING INDICATOR for each Extension Line.
NIGHT BELL SWITCH.
GENERATOR. RH 4000, 4-magnet.
MICROTELEPHONE. RE 5057, with cord RS 7102.
NOTE. All the indicators are self-restoring, exchange indicators being of
the "Drop" type, and the extension of the "Eyeball" type.
These switchboards are not usually kept in stock.
||No. of Exch lines
||No. of Extn Ccts
||No. of cord ccts
||Weight in lbs.
Taken from the Ericsson Telephone Catalogue 1914