H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/40, 344/1.2
H04Q 3/48 (2006.01)
Patent
CA 1045233
TITLE AN ARRANGEMENT FOR ALTERNATELY ASSIGNING A MARKER TO TWO TRANSLATOR ASSIGNERS OF AN AUTOMATIC COMMON CONTROL SWITCHING SYSTEM ABSTRACT An automatic common control switching system for local and/or toll tandem switching is disclosed wherein two translator assigners are used to recognize requests from the register/senders for one of the two translators of the system. The translator assigner connects the translator to the requesting register/sender, and upon receiving a "call for marker" signal from the translator, searches for an idle marker and assigns the latter to the translator. The arrangement of the present invention detects the condition when only one marker is "on line", and then alternates the assignment of the marker between the two translator assigners. For this purpose, each translator assigner in the system is provided with a detection circuit which monitors up to ten "marker busy" leads. When only one marker is mon line", and providing that both translator assigners are functioning and "on line", the detection circuit of both of the translator assigners will start the sequence of alternating the assignment of the marker. If the condition changes, i.e., more than one marker becomes available or one translator assigner is removed from service, the arrangement will release. Thereafter, the assignment of the markers by the translator assigners will be accomplished via its normal sequence.
218693
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