发明名称 |
ACTIVE STRAPPING AND SWITCHING DEVICE FOR TELEPHONE LINE TESTING |
摘要 |
Disclosed is a self-contained battery (12) powered remotely controlled strapping and interconnection device for providing various selected interconnections and terminations of telephone lines or line pairs to which it is attached in order to establish testing configurations comprising a plurality of multi-contact latching relays (10) selectably operable through a plurality of shift register (11) devices under the control of an onboard processor (13) responsive to dual tone multi-frequency instructional command signals remotely applied to a pair of lines. Plug-in expansion modules (14) and battery charger modules (15) are provided.
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申请公布号 |
CA2144868(C) |
申请公布日期 |
2000.09.12 |
申请号 |
CA19932144868 |
申请日期 |
1993.09.17 |
申请人 |
COMMUNICATIONS TECHNOLOGY CORPORATION |
发明人 |
STEPHENS, CHARLES DAVID |
分类号 |
H04M3/28;H04M3/30;(IPC1-7):H04M1/24 |
主分类号 |
H04M3/28 |
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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