GB 28440-2012Voice communication network management platform for firefighting command center (English PDF)

4.1 General

Fire group voice communications network management platform (hereinafter referred to as management platform) comply with the requirements in Chapter 4, according to the provisions of chapter 5 test.

4.2 Machine performance requirements

4.2.1 Main power management platform should support both AC and DC power supply.

The main section 4.2.2 Management Platform (device) pieces of styling products should meet the relevant standards. Tightening should be no loose parts. Buttons, switches, etc.

Motion control components should be flexible and reliable, and have a clear range of Chinese flags. The surface should be free from corrosion, coating loss and blistering, ignorance Noticeable scratches, cracks, burrs and other mechanical damage.

4.2.3 Platform Management Access U/VHF channel interface conventional wireless communication system should be less than 4, the platform should be able to manage the radio channel Full-duplex communication or half duplex channel.

4.2.4 The management platform channel interface shall have access to the trunked radio communications system, should be able to access the cluster system 350MHz or 800MHz Voice communications.

4.2.5 Management internet access channel public communications network interface should be less than 2-way, you should be able to access the public switched telephone network (PSTN), the user Exchange (PBX), VOIP voice gateway or satellite phone, GSM, CDMA or 3G voice communication mode.

4.2.6 The management platform should have a shortwave radio access channel interface, and voice communication can be performed shortwave radio.

4.2.7 management platform having a local scheduler should telephone interface, should be able to communicate with all the speech communication channels.

4.2.8 The management platform should have a communication channel sounding PA interface should be able to call on a communication channel loudspeaker playback.

4.2.9 The management platform should have a dispatching terminal, should be able to manage the scheduling of all access communication system.

4.2.10 management platform should have exchanged calls, multi-party call, broadcast through calls, conference calls, group calls and private network call control functions it can not affect private conversations when other users to receive calls. When the management platform for voice exchange, the switching time should be less than 1s, delay call it should be less than 50ms. Management platform voice channel frequency response in the range of 300Hz ~ 3400Hz properties should be better than ± 3dB, in the total harmonic distortion should be less than 5% frequency of 1000Hz.

4.2.11 call management platform should have the effect of optimization of the radio communication function, should be noise by hardware or software Filtered out.

4.2.12 management platform should have not less than two trigger modes radio communication, comprising the VOX (voice), COR (carrier detect), VMR (voice).

4.2.13 playback management platform should be able to control a specific sound signal or the emergency command tones, should by all communication channels in the range Independent channels or conference group by internal or external automatic recording should be able to manage and display of all communication channels.

4.2.14 management platform should be able to prepare channel user group, a user key, group talk session, and the automatic access control radio channel with communication parameters Other set command communication plans.

4.2.15 management platform should be able to manage user data and query the call records, should be able to support internal or external inquiries and play back the recording.

4.2.16 management platform should have a unified management and networking capability between multiple platforms.

4.2.17 management platform should have a secondary development interface.

4.3 Insulation

Management platform insulation resistance value between the live terminal and the external insulating casing required not less than 20 M [Omega; power input management platform the insulation resistance value between the terminal and the housing be not less than 50Mohm.

4.4 Electric strength

Plug housing between the management platform and able to withstand a frequency of 50Hz, a voltage of 1250V rms AC for 1min Electrical strength test. During the test, breakdown should not occur, the leakage current value should be less than 20mA; After the test, the whole management platform You should be able to meet the requirements of 4.2.

4.5 Electromagnetic compatibility

Table management platform should be able to withstand the electromagnetic compatibility test under a predetermined condition. During the test, should maintain a normal work management platform

State; After the test, the overall performance management platform should meet the requirements of 4.2.

Table 1 test conditions EMC

No. Name of test Test conditions Test 1 RFEMS

--- field intensity. 10V/m;

--- Frequency range. 80MHz ~ 1000MHz;

--- sweep rate. <=1.5 × 10-3dec/s;

--- modulation amplitude. 80% (1kHz, sine).

2 conducted disturbances induced by radio frequency fields immunity test

--- voltage. 140dBµV;

--- Frequency range. 0.15MHz ~ 80MHz;

--- modulation amplitude. 80% (1kHz, sine).

Electrostatic discharge immunity test 3

--- air discharge voltage (insulation shell). 8kV;

--- contact discharge voltage (conductor housing and the coupling plate). 6kV;

--- discharge polarity. positive, negative;

--- discharge interval. >=1s;

--- the number of discharges per point. 10 times.

4 electrical fast transient burst immunity test

--- the AC power line transient pulse voltage. 2kV ± 0.2kV;

--- Other cables transient pulse voltage. 1kV ± 0.1kV;

--- repetition frequency. 100kHz;

--- Polarity. positive, negative;

--- Time. every 1min.

5.1 General

5.1.1 Unless otherwise specified, the following test should be conducted under atmospheric conditions.

--- Temperature. 15 °C ~ 35 °C;

--- Relative humidity. 25% to 75%;

--- atmospheric pressure. 86kPa ~ 106kPa.

5.1.2 the tolerance test data is ± 5%.

5.1.3 Environmental test parameter deviations should be consistent with GB 16838 requirements.

5.1.4 The test sample is a set of platform management. Table 4 Test procedure.

Table 4 Test Procedure

Serial number of pilot projects Terms Machine performance test 1 5.2

5.3 Insulation resistance test 2

5.4 Electric strength test 3

4 5.5 Test RFEMS

5 5.6 conducted disturbances induced by radio frequency fields immunity test 5.7 6 electrostatic discharge immunity test

Table 4 (Continued)

Serial number of pilot projects Terms 7 5.8 Electrical fast transient burst immunity test 8 5.9 Surge (impact) immunity test 9 5.10 power transient test 10 5.11 low temperature (run) test 11 5.12 Damp heat (running) test 12 5.13 vibration (sine) (running) test 13 5.14 vibration (sine) (durability) test 14 5.15 Crash Test

5.2 Performance test machine

5.2.1 Test Procedure

5.2.1.1 Under normal operating conditions the sample, a wireless or wired incoming call, the exchange checks the sample, control and display functions.

5.2.1.2 sample under normal operating conditions, the operation terminal dispatching sample, a sample inspection recording, management, query and playback.

5.2.1.3 Under normal operating conditions the sample, oscilloscope, audio tester is connected to a wired voice channel samples, measuring the sample Call delay time, the frequency response characteristic and total harmonic distortion.

5.2.2 Test Equipment

1 set of micro-cluster system, 350MHz conventional handheld radio 2, 400MHz conventional handheld radio 2, 350MHz Cluster 1 handheld radio station, 800MHz cluster handheld radio units 1, 2 GSM or CDMA mobile phones, oscilloscopes, audio synthesis Tester.

5.3 Insulation resistance test

5.3.1 Test Procedure

Insulation resistance test by means 500V ± 50V are applied the following DC voltage portion of the sample.

--- Between the external charging terminals and the chassis insulation requirements;

--- between the power plug (or power terminal) and the chassis (power switch in the ON position, the power plug is not connected to the grid but).

After continued 60s ± 5s, measure the insulation resistance value. During the test, the contact points should ensure reliable contact, the insulation resistance between the leads should Large enough to ensure accurate readings.

5.3.2 Test Equipment

Insulation resistance test using the apparatus satisfies the following technical requirements (also available megger or shaking table test).

--- Test Voltage. 500V ± 50V;

--- Measurement range. 0Mohm ~ 500Mohm;

--- minimum scale. 0.1Mohm;

When --- note. 60s ± 5s.

5.4 Electric strength test

5.4.1 Test Procedure

Before the test, the sample is grounded protective element removed. By testing means to 100V/s ~ 500V/s rate boost, a sample of Test voltage 50Hz, 1250V is applied between the power supply line and chassis. Length 60s ± 5s, tests were observed and recorded phenomenon occurred.

After the test, at 100V/s ~ 500V/s down rate so that the voltage drops below the rated voltage value, before power failure. Power ON sample, press 5.2 the requirements of the test machine performance.

5.4.2 Test Equipment

Using the test device satisfies the following conditions.

--- test voltage. the voltage 0V ~ 1250V (RMS) continuously adjustable frequency of 50Hz;

--- leakage current. >=20mA;

--- l, down rate. 100V/s ~ 500V/s;

--- Timing. 60s ± 5s.

5.5 RFEMS test

5.5.1 Test Procedure

5.5.1.1 The sample was conducted in accordance with GB/T 17626.3 test arrangement, power, in normal working condition the sample 20min.

5.5.1.2 Test method according to GB/T 17626.3 applying a predetermined EMI meet predetermined conditions 4.5 sample. During the test, outlook Observe and record the state of the sample. After the test, the required machine performance test 5.2.

5.5.2 Test Equipment

61000-4-3 used in line with the relevant provisions of GB/T test equipment.

5.6 Conducted disturbances induced by radio frequency fields immunity test

5.6.1 Test Procedure

5.6.1.1 The sample was conducted in accordance with GB/T 17626.6 test arrangement, power, in normal working condition the sample 20min.

5.6.1.2 Test method according to GB/T 17626.6 applying a predetermined test EMI meet predetermined conditions 4.5 sample. Trial period Between observed and recorded state of the sample. After the test, the required machine performance test 5.2.

5.6.2 Test Equipment

17626.6 used in line with the relevant provisions of GB/T test equipment.

Electrostatic discharge immunity test 5.7

5.7.1 Test Procedure

5.7.1.1 The sample was conducted in accordance with GB/T 17626.2 test arrangement, power, in normal working condition the sample 20min.

5.7.1.2 Test method according to GB/T 17626.2 applying predetermined electrostatic discharge interference meet the predetermined condition of the sample 4.5 and a coupling plate test. During the test, the sample was observed and recorded state. After the test, the required machine performance test 5.2.

5.7.2 Test Equipment

17626.2 used in line with the relevant provisions of GB/T test equipment.

5.8 Electrical fast transient burst immunity test

5.8.1 Test Procedure

5.8.1.1 The sample was conducted in accordance with GB/T 17626.4 test configuration, the power is turned on, it is in normal working condition 20min.

Fast transient burst disturbance test according to Test Method 5.8.1.2 electrically GB/T 17626.4 predetermined condition is applied to a predetermined sample 4.5.

During the test, the sample was observed and recorded state. After the test, the required machine performance test 5.2.

5.8.2 Test Equipment

17626.4 used in line with the relevant provisions of GB/T test equipment.

5.9 Surge (impact) immunity test

5.9.1 Test Procedure

5.9.1.1 The sample was conducted in accordance with GB/T 17626.5 test configuration, the power is turned on, it is in normal working condition 20min.

5.9.1.2 Test method according to GB/T 17626.5 predetermined interference test is applied to the surge line with a predetermined condition of the sample 4.5. Trial period Between observed and recorded state of the sample. After the test, the required machine performance test 5.2.

5.9.2 Test Equipment

Using test equipment in line with GB/T 17626.5 relevant provisions.

5.10 Power transient test

5.10.1 Test Procedure

5.10.1.1 connected to the power supply transient test specimen means that it is in the normal operating state.

4.6 applying power transient test meet predetermined conditions 5.10.1.2 sample. After the test, the required machine performance test 5.2.

5.10.2 Test Equipment

Can be generated using the power supply device satisfies the requirements of the test conditions.

5.11 Low temperature (run) test

5.11.1 Test Procedure

5.11.1.1 before the test, the specimen is placed 2h ~ 4h under normal atmospheric conditions, then the power is turned on, the sample in normal working condition.

5.11.1.2 regulating chamber temperature, 30min ± 5min to keep at a temperature of 20 °C ± 3 °C, then, not more than 1 °C/min the rate of cooling to -25 °C ± 3 °C.

5.11.1.3 at a temperature of -25 °C ± 3 °C, after holding 16h, machine performance testing immediately required 5.2.

5.11.1.4 regulating chamber temperature, so that not more than 1 °C/min to a rate of 20 °C ± 3 °C, and kept 30min ± 5min.

After the sample was taken out 5.11.1.5, 1h ~ 2h place under normal atmospheric conditions, the test coupon coated surface conditions.

5.11.2 Test Equipment

16838 using the test device complies with the relevant provisions of GB .

5.12 Damp heat (operational) test

5.12.1 Test Procedure

5.12.1.1 before the test, the specimen is placed 2h ~ 4h under normal atmospheric conditions, then the power is turned on, the sample in normal working condition.

5.12.1.2 regulating chamber, the temperature was 55 °C ± 3 °C, relative humidity of 90% to 95% (to adjust the temperature, when the temperature reaches a stable After humidification). After continuously maintained 4d, immediately required machine performance test 5.2.

5.12.1.3 sample was taken out, under normal atmospheric conditions, in normal working condition 1h ~ After 2h, the test coupon coated surface conditions.

5.12.2 Test Equipment

16838 using the test device complies with the relevant provisions of GB .

5.13 Vibration (sine) (running) test

5.13.1 Test Procedure

Same (except the influence of gravity can be ignored) when the sample 5.13.1.1 rigidly fixed test device to use the direction of gravity, Power, the sample in normal working condition.

5.13.1.2 vibration applied to the specimen (sine) (running) 4.8 Test meet a predetermined condition.

5.13.1.3 After the test, the appearance of the sample and immediately check the fastening locations, as required machine performance test 5.2.

5.13.2 Test Equipment

Test equipment used in line with the relevant specifications of GB 16838 (the shaker and fixture).

5.14 Vibration (sine) (durability) test

5.14.1 Test Procedure

Same (except the influence of gravity can be ignored) when the sample 5.14.1.1 rigidly fixed test device to use the direction of gravity, the sample is not energized during the test.

5.14.1.2 vibration applied to the specimen (sine) (durable) 4.8 Test meet a predetermined condition.

5.14.1.3 After the test, the appearance of the sample and immediately check the fastening locations, as required machine performance test 5.2.

5.14.2 Test Equipment

Test equipment used in line with the relevant specifications of GB 16838 (the shaker and fixture).

5.15 Crash Test

5.15.1 Test Procedure

5.15.1.1 power, the sample in normal working condition.

5.15.1.2 applied to meet impact test specimen 4.8 predetermined conditions.

5.15.1.3 After the test, the required machine performance test 5.2.

5.15.2 Test Equipment

16838 using the test device complies with the relevant provisions of GB .

6.1 Factory inspection

Factory management platform, shall be examined following the pilot project.

a performance test machine);

b) Insulation resistance test;

c) electric strength test.

Either a failure, the penalty that the product failed.

6.2 Type inspection

6.2.1 Type test items for the test items specified in Chapter 5. Test samples taken at the factory of qualified products.

6.2.2 When one of the following cases, the type of inspection should be carried out.

Pattern evaluation trial when a) new products or old products to the plant;

b) for the production of a formal, structured products, mainly parts or components, production processes, such large changes may affect product performance;

c) normal production for five years;

d) Discontinued more than one year, to resume production;

e) test results and the last type factory test results are quite different;

f) the occurrence of major quality accidents.

6.2.3 Type inspection test results according to a predetermined determination method GB 12978 result is determined.

7.1 Product logo

Each management platform should be clear and permanent marking of products, product logo should include the following.

a) Product name, model;

b) performing the standard code;

c) manufacturer's name or trademark;

d) software version number;

e) Terminal labeling;

f) date of manufacture, product number and place of origin.

7.2 Quality inspection mark

Each management platform should have quality inspection marks.