| 摘要 |
FIELD: telephone communications, devices for gathering and transmission of information through phone lines. SUBSTANCE: device has 4m user sets I-I, four first-stage commutation units 2-2, second-stage commutation unit 3, eight output line sets 4-4, control unit 5, memory unit 6, memory-interface unit (encoding unit) 7, scanner 8. Device provides possibility to gather test data from many detectors and to transmit them to several users simultaneously. EFFECT: increased functional capabilities, simplified design. |
