TB/T 2997.1-2000 Technical requirements and test methods for the master computer of railway program-controlled common-line telephone equipment (English Version)
This standard specifies the basic performance, technical requirements and test methods of the master computer of railway program-controlled common line telephone equipment. This standard applies to the design, production, and inspection of main control machines for railway program-controlled common-line telephone equipment, and also applies to on-site maintenance.
TB/T 2997.1-2000 history
2000TB/T 2997.1-2000 Technical requirements and test methods for the master computer of railway program-controlled common-line telephone equipment