ERICSSON SWITCHBOARD No. OB 2000


768.jpg (11731 bytes)Type OB 2000
Floor Pattern Switchboard
Earth Circuit
Local Battery System

OB 2000/50 shown

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 JACK for each line.
1 PAIR OF CORDS AND PLUGS (see table for number of cord circuits for each board).
1 OPERATOR's KEY for each cord circuit
1 RINGING KEY.
1 RINGING BACK KEY.
1 CALLING INDICATOR for each line.
1 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: April 29, 2000