Type OD 2650
Floor Pattern Switchboards
Common Battery System
Double Supervision
FRAMEWORK
Woodwork, of polished walnut, with the jack and indicator field covered with fibre. Legs,
enamelled cast iron.
OD 2650/15+85 is shown pictured to the right.
EQUIPMENT
1x JACK for each line.
1 x NIGHT JACK for each exchange line.
1 x NIGHT SERVICE CORD with a plug at both ends, for each exchange line.
1 x PAIR OF CORDS and 3-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.
1 x CALLING INDICATOR for each exchange line.
1 x CALLING INDICATOR for each extension line.
1 x CLEARING INDICATORS for each cord circuit.
1 x 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
|