发明名称 |
Telephony testing system |
摘要 |
An electronic relay matrix (22) is connectable between a plurality of customer telephone lines and a plurality of testers (2, 201-203). The electronic relay matrix (22) includes a line matrix (80) having a plurality of relay assemblies (821-8250). Each relay assembly (82) in a relaxed state connects together the line-side (12) and the drop-side (8) of one of the customer telephone lines. Each relay assembly (82) is adjustable to enable one of the plurality of testers (2, 201-203) to be connected to the drop-side (8) and/or the line-side (12) of a desired customer telephone line.
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申请公布号 |
US6453015(B1) |
申请公布日期 |
2002.09.17 |
申请号 |
US20000508622 |
申请日期 |
2000.06.05 |
申请人 |
TOLLGRADE COMMUNICATIONS, INC. |
发明人 |
BENEDICT JOHN M.;HOLMES BRADFORD R.;MORTIMER LARRY |
分类号 |
H04M3/26;H04M3/30;H04M3/42;H04Q1/14;(IPC1-7):H04M1/24 |
主分类号 |
H04M3/26 |
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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