ERICSSON SWITCHBOARD No's N640 - N652


Magneto Floor Switchboards
N644 shown

n644.jpg (17617 bytes)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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Last revised: April 12, 2000