pdf TPH1836 i1 69 - 2000 and SE50 Group Selectors ocr r Popular
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TPH1836_i1_69_-_2000_and_SE50_Group_Selectors_ocr_r.pdf
Telecom Australia. Issue 1, 1969. The BPO called the SE50 switch (developed by GEC UK in the early 1950's) the 4000 Type switch. Both 2000 and SE50 types were used in Australia and the Telecom Research Labs in Victoria Australia carried out extensive work on improving SE50 performance to suit Australia's relatively unique network. Contributed by Ross Herbert. OCR by Clint Gilliland.
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