This standard specifies the technical requirements for voice and surveillance data recorders (hereinafter referred to as recorders). This standard applies to the planning, design, manufacturing, testing, construction and use of recorders.
MH/T 4049-2018 Referenced Document
IEC 60603-7-5 Connectors for electronic equipment - Part 7-5: Detail specification for 8-way, shielded, free and fixed connectors, for data transmission with frequencies up to 250 MHz
ITU-T H.323 Packet-based multimedia communications systems (Study Group 16)
ITU-T Q.400-Q.490 Specifications of Signalling System R2 Study Group XI [Superseded: ITU-T Q.411 ITU-T Q.412 ITU-T Q.414 ITU-T Q.415 ITU-T Q.416 ITU-T Q.421 ITU-T Q.422 ITU-T Q.424 ITU-T Q.430 ITU-T Q.440 ITU-T Q.441 ITU-T Q.442 ITU-T Q.450 ITU-T Q.451 ITU-T Q.452 ITU-T Q.
ITU-T Q.931 ISDN user-network interface layer 3 specification for basic call control Study Group 11
MH/T 4020 Technical specification of protection against lightning for aeronautical communication navigation surveillance facility
TIA/EIA-232-F Interface between Data Terminal Equipment and Data Circuit-Terminating Equipment Employing Serial Binary Data Interchange
MH/T 4049-2018 history
2018MH/T 4049-2018 Technical requirement for voice and surveillance data recorder