发明名称 |
Telecommunications line test extension apparatus |
摘要 |
An apparatus is provided for testing a communications line. The apparatus comprises a spool having at least eight terminals, and a length of wire wound on the spool. The wire has at least four subpairs of wires, each of which has opposite ends. A first end of each of the subpairs of wires is electrically connectable to the communications line, and a second end of each of the subpairs of wires is electrically connected to a corresponding terminal on the spool.
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申请公布号 |
US6813339(B2) |
申请公布日期 |
2004.11.02 |
申请号 |
US20020151482 |
申请日期 |
2002.05.17 |
申请人 |
SBC TECHNOLOGY RESOURCES, INC |
发明人 |
KRACKER DENIS JOSEPH;SNIDER MICHAEL WAYNE |
分类号 |
H04M1/24;H04M3/08;H04M3/28;H04Q1/14;(IPC1-7):H04M1/24 |
主分类号 |
H04M1/24 |
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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