发明名称 |
COMMUNICATIONS WIRING NOISE LEVEL MONITOR AND ALARM INDICATOR |
摘要 |
In an apparatus and method of testing the capacity of a network to support DSL services, a test device is coupled to a pair of wires (e.g., Tip-Ring) that support DSL services between ATU-C and ATU-R modems. In operation, the test device: samples for a DC line feed or potential on the wires when the ATU-R and ATU-C modems are operatively connected via the wires; samples for AC noise present on the wires when the ATU-R modem is electrically isolated from the ATU-C modem which is operatively coupled to the wires; samples for DSL signals output by the ATU-R modem when the ATU-C modem is electrically isolated from the ATU-R modem; and samples for DSL signals on the wires when the ATU-R modem is operatively coupled to the ATU-C modem via the wires. Based on these samples, the test device determines the capacity of the network to support DSL services. |
申请公布号 |
EP2630753(A2) |
申请公布日期 |
2013.08.28 |
申请号 |
EP20110835274 |
申请日期 |
2011.10.24 |
申请人 |
TOLLGRADE COMMUNICATIONS, INC. |
发明人 |
FAULKNER, ROGER;NULTY, GREGORY, M. |
分类号 |
H04L12/26;G01R31/02;H04M3/30 |
主分类号 |
H04L12/26 |
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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