FIELD: telephony; data acquisition and transmission over telephone lines. SUBSTANCE: device has 4m incoming line sets 11-1m, four first-section switching units 21-14, second-section switching unit 3, eight outgoing line sets 41-C8, control unit 5, storage unit 6, storage matching unit (encoding unit) 7, and scanner 8. EFFECT: provision for acquiring measurement data from great number of sensors and transmitting it to several users simultaneously at low expenses for line equipment. 2 cl, 1 dwg
Authors
Dates
1997-05-20—Published
1995-02-24—Filed