Type OD 2650Floor Pattern Switchboards
Common Battery System
Double Supervision
Type OD 2650
Floor Pattern Switchboards
Common Battery System
Double Supervision
OD 2650/15+85 shown
FRAMEWORK
Woodwork, of polished walnut, with the jack and indicator field covered with fibre. Legs,
enamelled cast iron.
EQUIPMENT
1 JACK for each line.
1 NIGHT JACK for each exchange line.
1 NIGHT SERVICE CORD with a plug at both ends, for each exchange line.
1 PAIR OF CORDS and 3-point plugs (see table for number of cord circuits on each board).
1 SPEAKING AND RINGING KEY for each cord circuit.
1 RINGING BACK KEY.
1 CALLING INDICATOR for each exchange line.
1 CALLING INDICATOR for each extension line.
ú CLEARING INDICATORS for each cord circuit.
1 NIGHT BELL.
NIGHT BELL SWITCHES.
GENERATOR. RH 5000, 5-magnet.
MICROTELEPHONE. RE 5059, with cord RS 7021.
These types of boards are not usually kept in stock.
NOTE. All the indicators are self-restoring, the Exchange indicators being of the "Drop" type and the Extension and Clearing indicators of the "Eyeball" type.
|
TYPE |
No. of Exch lines |
No. of Extn Ccts |
No. of cord ccts |
Height ins |
Width ins |
Depth ins |
Weight in lbs. |
|
OD 2650/6+20 |
6 |
20 |
8 |
52.62 |
20.40 |
27.34 |
99.25 |
|
OD 2650/8+50 |
8 |
50 |
12 |
61.00 |
30.31 |
27.34 |
160.95 |
|
OD 2650/16+85 |
15 |
85 |
14 |
61.00 |
30.31 |
27.34 |
220.50 |
Taken from the Ericsson Telephone Catalogue 1914
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