YD/T 751-1995
Test method for networking of digital office telephone exchange equipment in public telephone network (English Version)
- Standard No.
- YD/T 751-1995
- Language
- Chinese, Available in English version
- Release Date
- 1995
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YD/T 751-1995
- Scope
- This standard specifies the public test conditions for digital telephone switching equipment used in public telephone network offices, test instrument and equipment requirements, test environment and sampling methods, detection methods of various technical indicators and functions, as well as user signal methods, inter-office signal methods and The detection method of synchronization performance also stipulates the raw test data processing and evaluation principles. This standard applies to network entry testing and online quality supervision and inspection of digital program-controlled telephone terminal bureaus, tandem bureaus, Changjiang Municipal Integrated Bureau, Changzhou Rural Integrated Bureau, long-distance bureaus and international export bureaus, and is applicable to digital program-controlled Production and qualification testing of telephone switching equipment.
YD/T 751-1995 history
- 1995 YD/T 751-1995 Test method for networking of digital office telephone exchange equipment in public telephone network
