Professional Standard - Post and Telecommunication
Status
2009-12
Latest
YD/T 758-1995
Scope
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of line signal testers. This standard applies to PCM system line signal testers and similar products.
YD/T 758-1995 history
1995YD/T 758-1995 Technical conditions of line signal testers