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YDN040-1997 PDF English

Std IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)Status
YDN 040-1997EnglishRFQ ASK 3 days [Need to translate] Test method for N-ISDN (Narrowband-Integrated Services Digital Network) and PSTN interface signaling

Standard similar to YDN040-1997

YD/T 4045 | YD/T 4046 | YD/T 4044 |

Basic data

Standard ID YDN 040-1997 (YDN040-1997)
Description (Translated English) Test method for N-ISDN (Narrowband-Integrated Services Digital Network) and PSTN interface signaling
Sector / Industry Telecommunication Industry Standard
YDN040-1997 English cover page
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