tandem switching
1tandem switching of tie trunks — Connection between trunks are facilitated without attendant assistance or control. See also tandem switching …
2tandem switching system — See tandem tie trunk network …
3tandem switching — Use of an intermediate switch to interconnect circuits from the switch of one CO to the switch of a second CO in the same exchange …
4tandem — A switching arrangement in which the trunk from the calling office is connected to a trunk to the called office through an intermediate point known as a tandem switching center …
5tandem exchange — Switching center on which inter office or inter exchange circuits are terminated …
6Tandem Computers — A Tandem Computers promotional mug Tandem Computers, Inc. was the dominant manufacturer of fault tolerant computer systems for ATM networks, banks, stock exchanges, telephone switching centers, and other similar commercial transaction processing… …
7tandem office — A primary switching center for the switched telephone network which connects COs when direct interoffice trunks are unavailable …
8Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …
9Number One Crossbar Switching System — The Number One Crossbar Switching System, or 1XB switch, was the primary urban local telephone exchange design used by the Bell System in the mid 20th century. Its switch fabric topology was based on the earlier urban panel switch system, which,… …
10electronic tandem networking — The operation of two or more switching systems in parallel …
