Bell Laboratories Record

Bell Laboratories Record

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A span line consists of two cable pairs (one for transmission in each direction) with manhole repeaters located approximately every mile and ... Along a particular high-density route such as the one connecting W36 in Manhattan to E38, there may be as many as 1000 or more individual ... Restoration and Maintenance Problems Although the flexibility offered by span line design is desirable and is theanbsp;...

Title:Bell Laboratories Record
Publisher: - 1975


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