Type OD 1200
Wall Pattern Switchboard
Common Battery System
FRAMEWORK
 Polished walnut, with the jack and indicator field covered with fibre.
OD 1200/2+4 is shown pictured to the right.
EQUIPMENT
1 x JACK for each Exchange line.
1 x JACK for each Extension line.
1 x NIGHT SERVICE CORD for each Exchange Line with plug at each end.
1 x PAIR OF CORDS with 2-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 for each cord circuit.
1 x CALLING INDICATOR for each line.
1 x CLEARING INDICATOR for each cord circuit.
NIGHT BELL.
NIGHT BELL SWITCH.
GENERATOR. RH 3050, 3-magnet.
MICROTELEPHONE. RE 5059, with cord RS 7021.
These switchboards 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 1200/1+3 |
1 |
3 |
2 |
27.56 |
7.50 |
12.60 |
31.95 |
|
OD 1200/2+4 |
2 |
4 |
3 |
27.56 |
7.50 |
12.60 |
35.30 |
|
OD 1200/3+6 |
3 |
6 |
4 |
31.50 |
8.65 |
13.40 |
44.10 |
Taken from the Ericsson Telephone Catalogue 1914
|
