pdf C38.595.06 I1 568-type Telephone Sets Popular

Published on 09 May 2011 By Anonymous 809 downloads

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C38.595.06_I1_Jun61_TelSet_568Types_Ident.pdf

June 1961, Issue 1. 568HT is an early touch tone set with 22-type dial including red P (Priority) and SG (Special Grade) buttons and round line keys. For 2- and 4-wire service. SG connected to a 4-wire line if available. Replaced by the 1568HT, which had square line keys. Early dials had a different button contour than the 25-type dials used on the 1500-series production sets. 568HB has a rotary dial. Contributed by Dennis Hock.

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pdf C38.595.06 I1 568-type Telephone Sets Popular

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