发明名称 |
FAULT CONDITIONS AFFECTING HIGH SPEED DATA SERVICES |
摘要 |
A portion of POTS system (10) has system (11) for detecting faults in subscriber lines (12-14). The subscriber lines connect subscriber units (16- 18), i.e., modems and/or telephones, to a telephones switch (15). The telephone switch connects the subscriber lines to the remainder of the telephone network. Each subscriber line consists of a standard twisted two- wire (T)(R) telephone line adapted to voice transmissions. The telephone cables (22) include a plurality of subscriber lines. A measurement unit (40) includes devices (41) and (43) for performing electrical measurements in ord er to detect line faults. The devices are connected to the switch through a tes t bus (42) and standard voice test access (44). A computer (46) selects types of measurements performed. The computer sends control signals to the measuremen t unit via a connection (48). The computer comprises monitor (47), readable storage medium (50) and data storage device (49).
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申请公布号 |
CA2348004(A1) |
申请公布日期 |
2000.05.11 |
申请号 |
CA19992348004 |
申请日期 |
1999.11.02 |
申请人 |
TERADYNE, INC. |
发明人 |
SCHMIDT, KURT E.;FAULKNER, ROGER |
分类号 |
H04N1/32;G01R31/08;H04B3/46;H04M1/24;H04M3/08;H04M3/22;H04M3/30;H04Q;H04Q1/20;(IPC1-7):H04M1/24 |
主分类号 |
H04N1/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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