Home   Cart   Quotation   Policy   About-Us
www.ChineseStandard.net
SEARCH

MHT4040-2013 English PDF

US$1179.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
MHT4040-2013: Test method for civil aviation air traffic control voice communication switch system
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
MH/T 4040-20131179 Add to Cart 6 days Test method for civil aviation air traffic control voice communication switch system Valid

Similar standards

MH/T 4041   MH/T 4039   MH/T 4038   

Basic data

Standard ID: MH/T 4040-2013 (MH/T4040-2013)
Description (Translated English): Test method for civil aviation air traffic control voice communication switch system
Sector / Industry: Civil Aviation Industry Standard (Recommended)
Word Count Estimation: 47,474
Date of Issue: 10/5/2013
Date of Implementation: 1/8/2013
Issuing agency(ies): Civil Aviation Administration of China

MHT4040-2013: Test method for civil aviation air traffic control voice communication switch system


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test method for civil aviation air traffic control voice communication switch system ICS 03.220.50 V 54 Record number. MH Civil Aviation Industry Standard of the People's Republic of China Civil Aviation Air Traffic Control Voice Communication Exchange System testing method 2013-05-10 released 2013-08-01 implementation Issued by Civil Aviation Administration of China

Table of contents

Foreword...II 1 Scope...1 2 Normative references...1 3 Terms, definitions and abbreviations...2 4 Test conditions and test instruments and devices...2 5 Function test...5 6 Performance and technical index test...26 7 Working environment test...41

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed and interpreted by the Air Traffic Control Industry Management Office of the Civil Aviation Administration of China. This standard was approved by the Aircraft Airworthiness Certification Department of the Civil Aviation Administration of China. This standard is under the jurisdiction of the China Academy of Civil Aviation Science and Technology. Drafting organization of this standard. Shenyang Air Traffic Control Technology Development Co., Ltd. The main drafters of this standard. Pan Qingge, Qiu Yanlin, Wu Ge, Guo Jing, Li Jie, Dong Mei, Chen Qiaoya. Civil aviation air traffic control voice communication exchange system test method

1 Scope

This standard specifies the testing of civil aviation air traffic control voice communication exchange system (hereinafter referred to as air traffic control voice communication exchange system) Conditions and method requirements for testing instruments and devices, functional testing, performance testing, technical index testing and working environment testing. This standard applies to the inspection of the air traffic control voice communication exchange system.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB 3380 telephone automatically exchanges network ring stream and signal tone GB 8898 Safety requirements for audio, video and similar electronic equipment GB/T 15279 Technical requirements for automatic telephones GB/T 16654 ISDN (2B D) NT1 user-network interface equipment technical requirements GB 19517 National Electrical Equipment Safety Technical Code GB/T 22727.1 Safety Limits and Test Methods of Hazardous Substances in Communication Products Part 1.Telecommunications Terminal Products MH/T 4027 Civil Aviation Air Traffic Control Voice Communication Exchange System Technical Specification YD/T 772 Technical requirements and testing methods for PBX network access YD/T 976 B-ISDN User Network Interface (UIN) physical layer specification YDN 034 ISDN network user-network interface specification Physical/electrical characteristics of ITU-T G.703 series of digital interfaces Pulse code modulation of ITU-T G.711 voice frequency Transmission performance characteristics of ITU-T G.712 pulse code modulation channel ITU-T G.728 16kbit/s speech coding using low-delay code excitation linear prediction ITU-T Q.400～Q.490 signaling system R2 specification ITU-T Q.611 incoming call No.5 signaling system logic program ITU-T Q.612 outgoing call No.5 signaling system logic program Technical characteristics of ITU-T Q.23 key phone Standardized 600/1200 Bd modem used in ITU-T V.23 public switched telephone network ECMA 142 Private Integrated Service Network-64K Circuit Basic Service ECMA 143 Private Integrated Service Network-Circuit Basic Service ECMA 165 Private Integrated Service Network-General Function Agreement ECMA 203 Private Integrated Service Network-Call Intrusion Supplementary Service ECMA 225 Private Integrated Services Network-Additional Network Features-Transmission Control ECMA 264 Private Integrated Services Network-Call Priority Control Supplementary Service ECMA 312 Private Integrated Services Network-A dedicated standard in ATS services ETSI 300 402-2 Integrated Services Digital Network, Digital Subscriber No. 1 Signaling System Protocol, Data Link Layer, General Protocol Specification 3 Terms, definitions and abbreviations 3.1 Terms and definitions The following terms and definitions established in MH/T 4027 apply to this document. 3.1.1 System The sum of equipment and man-machine interface. 3.1.2 Position terminal The communication control panel that is assigned roles (such as controller, director on duty, system monitor, etc.) when working online. 3.1.3 Log Records related operations such as system operation monitoring, configuration operations, date, time, users and actions (not limited to). 3.2 Abbreviations The following abbreviations apply to this document. ATS-QSIG Air Traffic Secvices Signalling at Q Reference Point) CO Central Office Switch (Central Office) DA uses a single preset button on the seat panel to directly dial the preset target number (Direct Access) DTMF Dual Tone Multi-Frequency ECMA European Computer Manufacturers Association (European Telecommunication Standards Institute) GPS Global Positioning System (Globe Positioning System) HF High Frequency IA dials the target number through the dial pad on the seat panel (Indirect Access) ISDN Integrated Services Digital Network (Integrated Services Digital Network) ITU-T International Telecommunications Union-T MFC Multi-Frequency Code PABX Private Automatic Exchange (Private Automatic) PCM pulse code modulation (Pulse Code Modulation) PSTN Public Switch Telephone Network (Public Switch Telephone Network) PTT button transmit, release and receive communication mode (Push-To-Talk) UHF Ultra High Frequency (Ultra High Frequency) VHF (Very High Frequency)

4 Test conditions and test instruments and devices

4.1 Test conditions 4.1.1 The test environment is. a) Temperature. 0 ℃～40 ℃; b) Relative humidity. 40%～90%, no condensation water in the machine; c) Air pressure. 86 kPa～106 kPa. 4.1.2 The power supply voltage is AC 220 V ± 22 V, and the frequency is 50 Hz ± 3 Hz. 4.2 Test instruments and devices The test instrument used should be qualified and within the validity period, the error of the instrument should be less than one-third of the allowable error of the measured parameter. Instrument used The devices and devices are as follows.

5 Function test

5.1 Basic function test 5.1.1 Multitask Parallel 5.1.1.1 Test process The system works normally. At the same time start all available wireless communication, wired communication, monitoring and other tasks. 5.1.1.2 Qualification judgment Multiple tasks should be able to work simultaneously without interfering with each other. 5.1.2 Completely non-blocking voice exchange 5.1.2.1 Test process Make the system in normal working condition. Configure wired telephone and wireless frequency communication resources to the seat terminal panel. Allocate resources for individual test seats one by one. All seats in the system start the configured wired tasks, wireless tasks, and monitoring tasks at the same time, making multiple tasks work in parallel. Check the working status of each task. 5.1.2.2 Qualification judgment In the case of a single test, each communication task of the system should work normally. Under multiple test conditions, the system’s wired tasks and no Line tasks and monitoring tasks should also be able to work normally at the same time. 5.1.3 Support the active and standby working mode under full-featured capabilities 5.1.3.1 Test process Make sure that the system is operating normally under full-featured capabilities, and the main and standby machines are working normally at the same time. Turn off the host, can realize seamless switching, stand-by machine runs independently, and there is no flicker on the seat terminal interface. Turn off the standby machine to achieve seamless switching, the host runs independently, and the seat terminal interface does not flicker. Restore the active and standby machines at the same time. 5.1.3.2 Qualification judgment During the switching process, after switching or resuming simultaneous operation, the system's full-featured operation should be uninterrupted and operating normally. 5.1.4 Support various wireless communication, wired communication and data communication interfaces 5.1.4.1 Test process The analog wireless communication interface of the system should at least include PTT signal output, transmit audio signal output, receive audio signal input, SQL Squelch signal input, ground signal. The analog wired communication interface of the system should include magnet telephone, dedicated line telephone, satellite telephone, PSTN, PABX and other interfaces. System transmission can adopt E1, ISDN, RS232/422, V.35 and other methods. 5.1.4.2 Qualified judgment Should support PTT signal output, transmit audio signal output, receive audio signal input, SQL squelch signal input, ground signal and other wireless communication Communication interface; should support wired communication interfaces including magnet telephone, dedicated line telephone, satellite telephone, PSTN, PABX, etc.; support E1, ISDN, RS232/422, V.35 and other data communication interfaces. 5.1.5 Online self-check capability 5.1.5.1 Test process 5.1.5.2 Qualification judgment When removing the smallest replaceable functional module, there should be an alarm indication on the monitoring and maintenance terminal, and it should be able to detect the disappearance of the module; it can be replaced after restoration After the minimum function module, the module should be detected again. All functional modules can be tested cyclically. 5.1.6 Support external clock source and internal clock source 5.1.6.1 Test process Ensure that an external clock source (such as GPS clock signal) is used as the system clock. 5.1.6.2 Qualification judgment Disconnect the external clock source, there should be an alarm indication on the monitoring and maintenance terminal, the system should be able to automatically switch to the internal clock source, and the system should operate normally; When the external clock source is restored, the system should be able to automatically switch to the external clock source, and the system operates normally. 5.2 Wireless communication function test 5.2.1 Basic functions of wireless communication 5.2.1.1 Test process Choose a normal working seat and configure more than 10 wireless channels on the seat. Carry out receiving and sending selection and function test for each channel. 5.2.1.2 Qualified judgment Each seat should be able to support more than 10 wireless channel operations at the same time. The seat should be able to provide multiple wireless channel status and transceiver options, And can send the user's selection to the central processing subsystem, and display it on the seat interface. The central processing subsystem should be able to handle The selection information is sent and received, and the corresponding voice channel is established or removed. 5.2.2 Wireless channel configuration 5.2.2.1 Test process On the monitoring and maintenance subsystem, select the wireless module for parameter configuration. Select a seat with permissions, and configure the selected wireless module on the seat. 5.2.2.2 Qualification judgment The wireless channel on the seat should be able to be configured through the monitoring and maintenance subsystem, and it can also be configured by the user on the seat according to certain permissions. Set. 5.2.3 Wireless channel idle, monitoring, command work mode settings 5.2.3.1 Test process Choose a seat that can work normally, and set one or more wireless channels on the seat to idle working mode. Set one or more wireless channels on the seat to monitor working mode. Set one or more wireless channels on the seat to command work mode. 5.2.3.2 Qualification judgment The wireless channel set to idle working mode should not be able to receive and send; the wireless channel set to monitor working mode should be able to Receive the signal for monitoring; the wireless channel set to the command mode should be able to send control and receive signal operations. Three mode settings The status display of the seats shall not be affected during the setting process. 5.2.4 PTT and voice signal transmission 5.2.4.1 Test process Select the wireless channel for transmitting operation on the seat. Activate PTT through external access equipment. Voice communication through external access equipment. 5.2.4.2 Qualification judgment It shall be able to transmit PTT and voice signals through the equipment inserted in the seat jack, and be able to operate wireless channels. Wireless channel PTT is activated After activation, the operating seats and non-operating seats should have corresponding status displays, and the status display can distinguish the operating seats from other seats. 5.2.5 SQL and voice signal transmission 5.2.5.1 Test process The wireless interface establishes a connection with the set seats through the central processing subsystem, and the SQL signals and voice signals received by the wireless interface pass through The central processing subsystem is transferred to the seats. Observe the SQL status display of the SQL signal on the seat. The corresponding audio signal device on the seat has audio signal output. 5.2.5.2 Qualified judgment The wireless interface SQL signal should have corresponding status display on the seat, and the voice signal should be able to be connected to the audio output device on the seat jack Output. 5.2.6 Comparison and selection delay function 5.2.6.1 Wireless channel delay function requirements 5.2.6.1.1 Test process Use comparison configuration software or equipment to select a wireless module with comparison function for parameter query. Modify the current send and receive delay parameters and set them. Use the digital millisecond meter to perform the actual voice delay test and compare it with before setting. 5.2.6.1.2 Qualification judgment The transmission and reception voice channels of each wireless channel should be able to set the delay size separately; the delay setting of each voice channel should be from 0 to 600 ms, the step value is 1 ms. 5.2.6.2 Wireless channel comparison 5.2.6.2.1 Test process 5.2.6.2.2 Qualified judgment Divide several wireless interfaces with the same frequency into a group, and each group should be able to support up to 6 wireless interfaces. When there are multiple connections in the group When the port receives signals at the same time, it should be able to select the one with the best signal quality and transmit it to the corresponding seat according to a certain algorithm. Wireless channel comparison The calculation time should not exceed.200 ms. 5.2.7 Selective call 5.2.7.1 Test process Select to activate the selective call function module on the seat. The selective calling code is set and transmitted through the selective calling function module. The central processing subsystem transmits 2 continuous audio pulses through the selective call wireless interface according to the selective call code. 5.2.7.2 Qualification judgment Each pulse contains two tones that are emitted simultaneously. There are 16 monophonic sounds, each of which represents a different letter and number. Audio pulse duration The time should be 1 s ± 0.2 s, and the pulse interval time should be 0.2 s ± 0.1 s. The frequency tolerance of the transmitted audio frequency should be ±0.15%, which should be able to guarantee the machine The load decoder is operating normally. 5.2.8 PTT fault protection 5.2.8.1 Test process Select the wireless channel on the seat, activate PTT, and make the wireless channel in the transmitting state. Keep PTT sending long and keep timing. Observe the PTT alarm information on the monitoring and maintenance subsystem. 5.2.8.2 Qualification judgment When the PTT occupancy time of the wireless channel on the seat reaches the preset value, there should be alarm information on the monitoring and maintenance subsystem and the seat. When the PTT signal is cut off, the channel should be able to restore the idle state. 5.2.9 PTT self-locking 5.2.9.1 Test process On any seat in the same system, select any wireless channel and activate the corresponding channel PTT at the same time, so that the wireless channel is in transmission status. Observe whether there is an occupancy display on the wireless channel of the same frequency for other seats in the system. On other seats of the same priority level, activate the PTT of the wireless channel of the same frequency and observe whether it is in the transmitting state. 5.2.9.2 Qualified judgment Any frequency should only allow one seat to occupy the PTT for transmission operation at any time. Once the PTT is activated by a seat, other allocations The seats placed on the channel should have corresponding information display, and the channel cannot be used for transmission. 5.2.10 Wireless channel side tone control 5.2.10.1 Test process Turn on the side tone function of the seat. Monitor the wireless transmission voice through the seat audio output device. Turn off the side tone function of the seat. Monitor the wireless transmission voice through the seat audio output device. 5.2.10.2 Qualified judgment Turn on the side tone function of the seat, and it should be able to monitor the wireless transmission voice. Turn off the side tone function of the seat, and you should not be able to monitor the wireless transmission voice. 5.2.11 Set wireless communication priority or wired communication priority 5.2.11.1 Wireless priority setting 5.2.11.1.1 Test process Set the priority of seats in the system. Wireless communication through low-priority seats. In low-priority seat communication, use high-priority seats to operate wirelessly. Wireless communication through high-priority seats. In high-priority seat communication, use low-priority seats to operate wirelessly. 5.2.11.1.2 Qualification judgment The wireless communication of low priority seats should be interrupted by high priority seats. Conversely, wireless communication for high-priority seats should not be Priority seats interrupted. 5.2.11.2 Wired priority setting 5.2.11.2.1 Test process The wired communication priority of the seat can be increased through the monitoring terminal or the seat operation. After raising its own priority, perform wired communication. 5.2.11.2.2 Qualification judgment When called by a high-priority seat, the seat should have a different prompt from ordinary communication. 5.2.12 Frequency coupling 5.2.12.1 Test process Activate the voice communication function of multiple wireless communication channels on the seat. Turn on the wireless coupling function of the wireless channel. Use the wireless channel opened by the setting coupling function to communicate and observe. Turn off the wireless coupling function of the wireless channel. Use the wireless channel closed by the coupling function for communication and observe. 5.2.12.2 Qualified judgment When the coupling function is turned on, there should be voice intercommunication between the wireless......
Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of MHT4040-2013_English be delivered?

Answer: Upon your order, we will start to translate MHT4040-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of MHT4040-2013_English with my colleagues?

Answer: Yes. The purchased PDF of MHT4040-2013_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.