A SUBSCRIBER MULTIPLEXER, A TELEPHONE SYSTEM AND A METHOD FOR COMMUNICATING THE CONDITION OF A SUBSCRIBER INTERFACE

摘要

PCT No. PCT/FI95/00346 Sec. 371 Date Dec. 13, 1996 Sec. 102(e) Date Dec. 13, 1996 PCT Filed Jun. 14, 1995 PCT Pub. No. WO95/34966 PCT Pub. Date Dec. 21, 1995A subscriber multiplexer includes a receiver for receiving signals transmitted from subscriber interfaces a feeder and for feeding those signals further to a telephone exchange via a respective PCM connection, and a feeder for feeding signals transmitted from the telephone exchange via the respective PCM connection further to the subscriber interfaces. For detecting the condition of the subscriber interfaces, the subscriber multiplexer includes measuring devices for checking the condition of the subscriber interface of the subscriber multiplexer, and a controller for activating the measuring devices in response to a measurement request signal transmitted by the telephone exchange via the respective PCM connection to achieve a measurement result, and for transmitting a message describing the measurement result to the telephone exchange to a telephone system and a method for communicating the condition of a subscriber interface of a subscriber multiplexer.