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L. M. ERICSSON
SWITCHBOARD OD 1250


Type OD 1250
Floor Pattern Switchboards
Common Battery System


FRAMEWORK

768.jpg (11731 bytes)Woodwork, polished walnut with the jack field covered with fibre, legs enamelled cast iron.

OD 1250/6+24 is shown pictured to the right.

EQUIPMENT
1 x JACK for each line.
1 x NIGHT SERVICE CORD for each Exchange Line with a plug, at each end.
1 x PAIR OF CORDS and 3-point plugs (see table for number of cord circuits on each board).
1 x SPEAKING AND RINGING KEY for each cord circuit.
1 x RINGING BACK KEY.
1 x RINGING KEY for Power Generator.
1 x CALLING INDICATOR for each line.
1 x VISUAL CLEARING INDICATOR together with relay for each cord circuit.
NIGHT BELL.
NIGHT BELL SWITCH.
GENERATOR. RH 5050, 5-magnet.
MICROTELEPHONE. RE 5059, with cord RS 7021.

The visual clearing indicators are of the self-restoring type.

These boards are not usually kept in stock.
 

TYPE No. of Exch lines No. of Extn Ccts No. of cord ccts Height ins Width ins Depth ins Weight in lbs.
OD 1250/5+18 5 15 6 59.10 17.70 25.20 147.75
OD 1250/6+24 6 24 7 59.10 17.70 25.20 149.95
OD 1250/5+30 5 30 6 60.85 22.00 25.20 172.6O
OD 1250/7+4 7 40 10 60.85 22.00 25.20 180.80


Taken from the Ericsson Telephone Catalogue 1914

 
 
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Last revised: March 28, 2024

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