Magneto Floor Switchboards
The open type floor pattern switchboards on cast-iron stands are very convenient and all apparatus and parts are readily accessible for maintenance.
Woodwork matt polished, the jack field covered with fibre and the cast-iron stand black enamelled.
Equipped with individually-mounted line drop indicators and jacks, speaking and ringing keys and clearing drop indicators in the cord circuits, night bell, switch, micro-telephone, generator and a key for switching on power ringing when installed.
Special fitments are:-
Three keys, respectively for speaking, ringing by generator, and ringing by battery, on the answering or calling cord separately when the ordinary cord circuit key is in the speaking position. A key for testing for earth on the lines and a jack for testing the cords.
|Code No.||Lines||Cord Ccts||Dimensions ins||Weight lbs.|
|N640||20||5||58 x 16 x 25||127|
|N641||25||5||58 x 16 x 25||129|
|N642||30||6||58 x 16 x 25||133|
|N643||40||8||61 x 22 x 25||144|
|N644||50||10||61 x 22 x 25||162|
|N645||60||10||61 x 22 x 25||165|
|N646||80||12||68 x 26 x 25||194|
|N647||100||12||68 x 26 x 25||199|
|N650||100||18||63 x 38 x 25||230|
|N651||160||20||65 x 38 x 26||243|
|N652||200||24||72 x 42 x 28||265|
N650, N651 and N652 are two position switchboards and are provided with double the operating equipment's.
Taken from the Ericsson catalogue, edition 26
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