TESTING METHOD OF ISDN BASIC ACCESS SUBSCRIBER BOARD IN THE TDX-IB ISDN SYSTEM

摘要

receiving a request of an operator on the test of ISDN subscriber board through a terminal connected to an OMP(22); controlling LTAB4(27) through ITEP(23) to allow the subscriber to test the line when the request is received, to switch the subscriber line connected to line matching section of the ISDN basic connection subscriber board to be connected to a to-be-tested line(25) and ISIB(24); and terminating the test, when the test is arranged, the OMP(22) notifies ITEP(23) the arrangement of the test, the ITEP(23) controls the ISIB(24) to carry out the test, and the tested result is outputted to the operator through OMP(22).