Type OB 800Wall Pattern Switchboards
Metallic Circuit
Local Battery System
Type OB 800
Wall Pattern Switchboards
Metallic Circuit
Local Battery System
OB 800/15 shown
THE CONNECTIONS ARE MADE BY MEANS OF PLUGS AND CORDS.
FRAMEWORK
Polished teak. Jack field is covered with fibre.
EQUIPMENT
1 JACK for each line.
1 PAIR OF CORDS and 2-point plugs (see table for number of cord circuits for each board).
1 SPEAKING AND RINGING KEY for each cord circuit.
1 CALLING INDICATOR for each line.
1 CLEARING INDICATOR for each cord circuit.
NIGHT BELL.
NIGHT BELL SWITCH.
GENERATOR. RH 4600, 4-magnet.
MICROTELEPHONE. RE 5054, with cord RS 7501.
|
TYPE |
No. of Metallic ccts |
No. of cord ccts |
Height ins |
Width ins |
Depth ins |
Weight in lbs. |
|
OB 800/15 |
15 |
6 |
22.44 |
11.25 |
12.28 |
41.90 |
|
OB 800/20 |
20 |
7 |
25.59 |
12.68 |
12.28 |
48.50 |
|
OB 800/25 |
25 |
10 |
28.15 |
16.78 |
12.28 |
55.12 |
|
OB 800/30 |
30 |
10 |
28.15 |
16.78 |
12.28 |
61.74 |
Taken from the Ericsson Telephone Catalogue 1914
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