ERICSSON SWITCHBOARD No. OB 6300


768.jpg (11731 bytes)Type OB 6300
Multiple Switchboards
Mechanically restored Jack Indicators
Metallic Circuit
Local Battery System

OB 6300/100 shown

FRAMEWORK

One position section, polished walnut, with the jack indicator field covered with fibre.
Each section has a multiple capacity of 30 strips each for 20 jacks and for 6 strip of jacks for junction purposes.

EQUIPMENT
1 COMBINED Jack and indicator for each line.
1 PAIR OF CORDS and 2-point plugs (see table for number of cord circuits on each board).
1 SPEAKING AND RINGING KEY for each cord circuit.
1 DOUBLE SPEAKING KEY.
1 DOUBLE RINGING KEY for Hand Generator.
1 DOUBLE BATTERY RINGING KEY.
1 RINGING KEY for Power Generator.
PRESS BUTTON for short circuiting the secondary winding of the induction coil.
PRESS BUTTON for closing transmitter circuit.
1 CLEARING INDICATOR for each cord circuit.
1 PRESS BUTTON to each cord circuit for replacing clearing indicators when both plugs are in use.
PILOT VISUAL INDICATOR for calling.
PILOT VISUAL INDICATOR for clearing.
NIGHT BELL
3 NIGHT BELL SWITCHES.
RINGING VIBRATOR for supervising the outgoing ringing current.
GENERATOR RH 5080, 5-magnet.
MICROTELEPHONE. RE 4110 (differentially wound Receiver), with cord RS 9502. 

TYPE

OLD TYPE No.

No. of Metallic ccts

No. of cord ccts

Height ins

Width ins

Depth ins

Weight in lbs.

OB 6300/50

982

50

10

60.82

23.62

29.10

154.35

OB 6300/100

983

100

15

60.82

23.62

29.60

231.52


NOTE. The jack indicators are mechanically restored by the action of the plug. The clearing indicators and pilot visual indicators are self-restoring.

Type OB 6300/200
200 LINE SWITCHBOARD
Consisting of:-
2 1-position sections CB 6300/100.
Which have an additional equipment of 10 strips of multiple series jacks, each for 20 lines, arranged in 4 panel multiples and cabled with 60 wire 0.6 m/m wool insulated mat cables for 3 sections and with mat cables for return to the connecting racks of sections Nos. 1 and 2.

Type OB 6300/300
300 LINE SWITCHBOARD
Consisting of:-
3 1-position sections OB 6300/100.
Which have an additional equipment of 25 strips of multiple series jacks, each for 2G lines, arranged in 4 panel multiples and cabled with 60 wire 0.6 m/m wool insulated mat cables for 4 sections and with mat cables for return to the connecting racks of sections Nos. 1, 2 and 3.

Type OB 6300/400
400 LINE SWITCHBOARD
Consisting of:-
4 1-position sections CB 6300/100.
Which have an additional equipment of 40 strips of multiple series jacks, each for 20 lines, arranged in 4 panel multiples and cabled with 60 wire 0.6 m/m wool insulated mat cables for 5 sections and with mat cables for return to the connecting raclcs of sections Nos. 1, 2, 3 and 4.

Type OB 6300/500
500 LINE SWITCHBOARD
Consisting of:-
5 1-position sections CB 6300/100.
Which have an additional equipment of 65 strips of multiple series jacks, each for 20 lines, arranged in 4 panel multiples and cabled with 60 wire 0.6 m/m wool insulated mat cables for 6 sections and with mat cables for return to the connecting racks of sections Nos. 1, 2, 3, 4 and 5.

Type OB 6300/600
600 LINE SWITCHBOARD
Consisting of:-
6 1-position sections CB 6300/100.
Which have an additional equipment of 90 strips of multiple series jacks, each for 20 lines, arranged in 4 panel multiples and cabled with 60 wire 0.6 m/m wool insulated mat cable for 7 sections and with mat cables for return to the connecting racks of sections Nos. 1, 2, 3, 4, 5 and 6.

Taken from the Ericsson Telephone Catalogue 1914

Home page BT/GPO Telephones Ericsson Telephones Ericsson Home Page Ericsson PABX All Telephone Systems

Last revised: April 29, 2000