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YD/T 928-1997 PDF English

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YD/T 928-1997: Technical specification for ISDN PABXs
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YD/T 928-1997English769 Add to Cart 4 days [Need to translate] Technical specification for ISDN PABXs

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Basic data

Standard ID YD/T 928-1997 (YD/T928-1997)
Description (Translated English) Technical specification for ISDN PABXs
Sector / Industry Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard M40
Classification of International Standard 33.040.30
Word Count Estimation 22,270
Date of Issue 12/5/1998
Date of Implementation 1/1/1998
Summary This standard specifies the narrowband ISDN (N-ISDN) has the second type of network termination function (NT2) of the ISDN user to automatically switch (ISPBX) the technical requirements. This standard applies to access to the public a variety of N-ISDN ISPBX. To other devices with NT2 30B + D interface network functions, such as LAN equipment, multiplexers, network routers and other people must meet basic standards YDN 034 1997C (1SDN user - network access date technical specifications.

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