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ERICSSON
SWITCHBOARD No. OB 2000
 


Type OB 2000
Floor Pattern Switchboard
Earth Circuit
Local Battery System

768.jpg (11731 bytes)OB 2000/50 shown pictured to the right.

THE CONNECTIONS ARE MADE BY MEANS OF PLUGS AND CORDS.

FRAMEWORK
Wood, polished walnut, with the jack field covered with fibre and the iron legs enamelled.

EQUIPMENT
1 x JACK for each line.
1 x PAIR OF CORDS AND PLUGS (see table for number of cord circuits for each board).
1 x OPERATOR's KEY for each cord circuit
1 x RINGING KEY.
1 x RINGING BACK KEY.
1 x CALLING INDICATOR for each line.
1 x CLEARING INDICATOR for each cord circuit.
NIGHT BELL.
NIGHT BELL SWITCH.
GENERATOR. RH 4011, 4-magnet.
MICROTELEPHONE. RE 5052, with cord RS 7021.
LIGHTNING PROTECTOR.
 

TYPE OLD TYPE No. No. of Earth ccts No. of cord ccts Height ins Width ins Depth ins Weight in lbs.
OB 2000/50 645 50 10 58.66 27.16 25.04 104.78
OB 2000/100 646 100 12 63.40 38.19 25.20 194.04


Taken from the Ericsson Telephone Catalogue 1914

 
 
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Last revised: October 08, 2019

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