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Analogue PSTN terminal support interface.
STANDARD published on 15.10.1999
Designation standards: BS 7940:1999
Publication date standards: 15.10.1999
SKU: NS-77881
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: British technical standard
Category: Technical standards BS
This standard applies to apparatus having an interface for the connection of Terminal Equipment (T.E.) intended for a Direct Exchange Line (D.E.L.) and specifies the performance requirements of the interface which make it appear to the attached T.E. that is interworking with a single 2-wire analogue PSTN D.E.L. Status: Confirmed
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Latest update: 2026-11-05 (Number of items: 2 209 078)
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