Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB/T8310.1
1: Traditional
1996-04-11
JB/T 8310.11996
Optical fiber connectors are connectors that accommodate optical fiber joints when optical cables are connected to each other and meet the requirements of optical fiber integrity and environmental performance at the connection point. Technical standards specify the types, components, general technical requirements, test methods and acceptance rules of optical fiber connectors. This standard applies to the types of connectors listed in Table 1 below. Unless otherwise specified in subsequent standards, all types of optical fiber connectors should comply with the requirements of this standard.
The models, specifications, structures and technical requirements of various types of optical fiber connectors are specified in subsequent standards. 2 Reference Standards Basic environmental test procedures for electrical products Test Fe: Vibration (sinusoidal) test method G 8423.10-81 GB3873-83 GB 7425.1-87 GR 7425. 2-87 GL 7425. 3--87 GB 7425.4-87 GB 7425.6-87 GB 8405.287
3 Product classification and code
General technical conditions for communication product packaging
General principles for optical relay mechanical performance test methods
Optical cable mechanical performance test methods
Optical cable mechanical performance test piece method
Optical rope mechanical performance test methods
Optical cable mechanical performance test methods
Optical fiber environmental performance test methods
Temperature cycle
The series codes and uses of optical relay connectors are shown in Table 1. The product models of various types of optical cable connectors are composed of three parts: series code, structure code and derived code, which are specified in subsequent standards. Table
Outdoor optical cable connector
Optical cable composite overhead ground wire connector
Submarine optical cable reverse connector
General light source connector
Optical terminal branch line concept
Optical cable gas lead
Indoor optical frequency connector
4 Technical requirements
Used for onshore outdoor general optical cable connection
Used for optical cable combined overhead ground wire connection
Used for submarine optical cable connection
Used for optical cable emergency connection
Used for indoor optical cable reverse connection branch
Used for airtightness with inflatable optical lock
Used for indoor optical cable connection
In addition to meeting the requirements of the general provisions, the various technical requirements of the connector shall also meet the requirements of subsequent standards. 1996-04-11 Type code JB/T8310.11996 4.1 Structure The optical cable connector consists of three parts: the outer shell (the outer protection device of the connector), the inner body (the general name of the components in the connector), and the sealing element (the connector itself and the sealing material between the connector and the optical cable). 4.2 Optical fiber connector and protection The optical fiber connector in the connector should be connected by fusion splicing and enhanced with hot-melt heat shrink tubing or other appropriate methods. After the hot-melt heat shrink tubing is enhanced, the outer diameter of the optical fiber connector should be 2.5mm~3.5mm, and the length of the protected optical fiber should be 25mm~~65mm. 4.3 Optical performance
When the test is carried out in accordance with the provisions of 5.2 of this standard, the attenuation change of the optical fiber connector during the installation and use of the connector shall comply with the provisions of the subsequent standards.
4.4 Sealing performance
When the test is carried out in accordance with the provisions of 5.3 of this standard, the sealing performance of the avoider shall comply with the provisions of the subsequent standards. 4.S Mechanical performance
4. 5. 1 Tensile strength
When the test is carried out in accordance with the provisions of 5.4.3 of this standard, the air filling pressure and the maximum tensile load in the connector during the test shall be specified in the subsequent standards. After the test, the pressure drop shall not exceed 3kPa, the attenuation of the optical fiber connector shall not change, and the appearance of the connector shall not have cracks or obvious deformation. 4. 5. 2 Flattening
When the test is carried out in accordance with the provisions of 5.4.4 of this standard, the air filling pressure and the maximum pressure load in the connector during the test shall be specified in the subsequent standards. After the test, the pressure drop shall not exceed 3kPa, the attenuation of the optical fiber connector shall not change, and the appearance of the connector shall not have cracks or obvious deformation. 4.5.3 Types of Hands
Perform the test in accordance with the provisions of 5.1.5 of this standard. The air pressure in the connector and the impact energy shall be in accordance with the requirements of the subsequent standards. After the test, check that the air pressure drop shall not exceed 3kPa, the optical fiber connector attenuation shall not change, and the connector appearance shall have no cracks and obvious deformation. 4.5.4 Bending
Perform the test in accordance with the provisions of 5.4.6 of this standard. During the test, the air pressure in the connector and the bending times and loads shall be in accordance with the requirements of the subsequent standards. After the test, check that the air pressure drop shall not exceed 3kPa, and the optical fiber connector attenuation shall not change. 4.5.5 Rotation
Perform the test in accordance with the provisions of 5.7 of this standard: During the test, the air pressure in the connector and the torsion angle, torsion times and loads shall be in accordance with the requirements of the subsequent standards. After the test, check that the air pressure drop shall not exceed 3kPa, and the optical fiber connector attenuation shall not change. 4.5.6 Vibration
Test according to the provisions of 5.4.8 of this standard. During the test, the filling pressure and vibration frequency, amplitude and number of vibrations in the connector shall be specified in the subsequent standards. After the test, check that the pressure drop should not exceed 3kPa, and the attenuation of the optical fiber connector should not change. 4.G Environmental Performance
4.6.1 Temperature Cycle
Test according to the provisions of 5.5.2 of this standard. During the test, the filling pressure and temperature range, insulation time and number of cycles in the connector shall be specified in the subsequent standards. After the test, check that the pressure drop should not exceed 3kPa, and the attenuation of the optical fiber connector should not change. 4.6.2 Continuous High Temperature
Test according to the provisions of 5.5.3 of this standard. During the test, the filling pressure, maximum temperature and insulation time in the connector shall be specified in the subsequent standards. After the test, check that the pressure drop should not exceed 3kPa, and the attenuation of the optical fiber connector should not change. 4.3 Acid, alkali, salt
Test according to the provisions of 5.5.4 of this standard: The inflation pressure and immersion time during the test shall be specified in the subsequent standards: After the test, check that the air bed should not drop more than 3a: There should be no obvious change on the outer surface of the connector. 5 Test method
5.1 Structure and size inspection
JB/T8310.1
National measurement inspection, the outer diameter is measured with a vernier caliper with a range of 200mm and a graduation value of 0.02mm, and the length is measured with a steel ruler with a range of 500mm and a graduation value of 1mm.
5.2 Optical performance test
According to the test conditions, instruments and methods specified in G7425., monitor the changes in the attenuation of the optical fiber connector before and after the connector is installed according to the regulations at the optical fiber connector connection. 5.3 Unsealed test
Install a set of connectors according to the specified installation and operation requirements, and install a valve and a pressure gauge in the shell. Fill the connector with dry air or nitrogen at the specified pressure. After the air pressure is stable, store it for a specified time to observe the pressure change. The test shows the pressure gauge in the figure
Connector
Schematic diagram of the sealing test of the national optical cable connector
5.4 Mechanical performance test
5.4.1 Sample preparation
Seal and install the connector according to the applicable optical cable sample and operation process. The length of the optical cable sample at each end should exceed 10 meters. Install a valve and a pressure gauge on the outside of the connector: store it under the specified test conditions for 48 hours. Before the test, fill the connector with a certain amount of dry air or nitrogen. The test can be carried out only after the air pressure is stable. 5.4.2 Test conditions
The connector test conditions should comply with the test conditions specified in GB7425.1. 5.4.3 Pull-out test
The tensile test of the connector shall be carried out in accordance with the provisions of GB7425.2. For connectors where the optical cable enters and exits from both ends, the chucks of the optical sample are respectively held on the two optical cables at both ends: for connectors where the optical cable enters and exits from one end, the one end of the chuck is clamped on one of the optical cables, and the other end is connected to the bottom surface of the connector, so that the tensile force can act between the optical cable and the reverse connector (see Figure 2). The clamping point of the lower plate should be more than 250mm away from the entrance of the optical cable of the connector. 5.4.4 Fan compression testwwW.bzxz.Net
JB/T8310.1
City newspaper
Connector
Straight-through, open-type connector
Cap-type connector
Figure 2 Schematic diagram of optical relay connector tensile test
Connector flattening test shall be carried out in accordance with GB 7125.3. Select two test points on the outer surface of the connector for testing, as shown in Figure 3, the three points should not be on the same plane. Movable flat steel plate
Escaper
Flat steel plate base
Figure 3 Schematic diagram of the optical cable connector length flat test
5.4.5 Impact test
Escaper impact test is carried out in accordance with G745.6. Select three test points on the outer surface of the connector for testing, as shown in Figure 4, the three points should not be on the same plane, and each point is impacted twice.
s.6 Bending test
AA section
JB/T8310.1
Middle steel block
Figure 4 Schematic diagram of the optical cable connector impact test
As shown in Figure 5, fix the escaper, apply a load to the optical cable at the length of 20D at the entrance, deflect the optical cable by 30°, and keep it for 1min. Return to the original position, deflect 30° in the opposite direction, keep for 1.min, and return to the original position for one bend. Note: D is plastic optical cable,
After one bend is completed, rotate the connector 90° along the axis, and repeat the bend for one cycle. Each optical cable installed on the connector should be tested. Connector
-Heavy
Figure 5 Schematic diagram of optical cable connector bending test
5.4.7 Torsion test
The connector torsion test is carried out in accordance with GB7425.6. During the test, the clamping points should be on the connector and the optical relay respectively, and each optical cable on the installed connector should be tested. The clamping point on the optical cable should be more than 250mm away from the optical entrance of the connector. 5.4.8 Vibration test
Method 1: Perform vibration test in accordance with GB2123.10. The connector is fixed horizontally on the vibration test bench. The optical cable with a distance of 5
JB/T8310.1
100D from the inlet of the inverter at both ends is fixed on a non-vibrating bracket for testing. Method 2: As shown in Figure 6, perform vibration test on an overhead line vibration test machine. The connector and the optical cables at both ends are fixed on the overhead line installed on the overhead line vibration test machine. The length of the optical cable hanging outside the connector should exceed 2m. The vibration contact on the overhead line should be 5m away from the center of the connector. The vibration transmitted to the connector by the overhead line is tested. Stranded wire
5.5 Environmental resistance test
5.5.1 Preparation and test conditions
Connector
Optical cable-
Figure 6 Schematic diagram of vibration test for optical cable connector
Specimen preparation and test conditions shall meet the requirements of 5.4.1 and 5.4.2 of this standard respectively. 5.5.2 Temperature cycle test
Vibration contact
The temperature cycle test of connector shall be carried out in accordance with GB8405.2. All cycle results shall be placed at room temperature for 2 hours and then observe the pressure. 5.5.3 Continuous temperature test
The continuous high temperature test of connector shall be carried out in accordance with GB8405.2. During the test, the temperature shall be raised from room temperature to the test temperature and then maintained for a specified time. After cooling for 2 hours, the pressure shall be observed.
5.5.4 Acid, alkali and salt test
The test liquids for the connector acid, alkali and salt resistance tests are 5% hydrochloric acid solution, 5% sodium hydroxide solution and 5% sodium chloride solution respectively. Each sample is immersed in a test.
During the test, the connector is placed flat in a glass container, and then the test liquid is added. The connector should be completely immersed in the test liquid during the test. After the specified time, the connector is taken out to observe the changes. 6 Acceptance rules
61 Products should be inspected and qualified by the manufacturing quality inspection department before leaving the factory. The products leaving the factory should be accompanied by a product quality inspection certificate. 6.2 Product inspection is divided into factory test and type test. 6.2.1 Factory test
Factory test is a test conducted by the manufacturer on the products leaving the factory. If any of the inspection items in the factory test is unqualified, it is a defective product. If one of the inspection items in the factory test is unqualified, the product is allowed to be double sampled for re-inspection of the item. If it is still unqualified, the batch of products is judged to be unqualified: Products that fail the factory test shall not be shipped. The factory test items and sampling plan shall be specified in the subsequent standards. 6.2.2 Type test
The samples of the type test shall be randomly selected from the products that pass the factory test. The type test shall be carried out according to the cycle, test grouping, inspection items and sample quantity specified in the subsequent standards. The type test shall also be carried out when the following situations are encountered:
8. When there are major changes in the product structure, main process or main raw materials. When the production is resumed after years of suspension
When the quality supervision department makes a request.
JB/T8310.1
If one sample fails in a set of type tests, double the number of samples should be taken and the set of tests should be repeated. If there are still no samples that do not meet the requirements, the type test is considered unqualified and production should be stopped. The reasons should be analyzed, measures should be taken, and the qualified samples should be retested before production and testing can be resumed. Samples that have passed type tests shall not be shipped as qualified products. 7 Packaging
7.1 Packaging requirements
In addition to complying with the provisions of this article, the packaging of connectors shall also comply with the relevant provisions of GB3873: All parts of each set of connectors shall be used as individual packaging units. After cleaning and drying, the connectors shall be packaged and cushioned individually. Paper boxes, plastic bags, etc. can be used as packaging materials. The basic packaging should contain the manufacturer's instructions for use, certificate of conformity and a list of accessories. If the basic packaging is placed in a dry moisture-proof packaging. 7.2 Packaging Marking
The outside of the packaging box should be marked with:
Product name,
Type and specifications;
Quantity;
Dimensions, gross weight,
Manufacturer name:
Factory date;
Safety mark.
Additional instructions:
This standard was proposed and managed by Shanghai Cable Research Institute of the Ministry of Machinery Industry. This standard was drafted by Shanghai Cable Research Institute of the Ministry of Machinery Industry. The main drafters of this standard are Yin Guozheng, Zhan Bin and Su Suiqiang. Yu
JB/T8310.1
Lai 880b1230
19XXXX Ridge
100044
WanduanX/X
Zhang JuXXX,XXX
19XX CollectionXX Cabin
X is flounder
Germany pxXX.XX Wing
Xianji Lotus bream3 Continuous temperature test
The continuous high temperature test of the connector shall be carried out in accordance with the provisions of GB8405.2. During the test, the temperature is raised from room temperature to the test temperature and then maintained for the specified time. After cooling for 2 hours, the gas is observed.
5.5.4 Acid, alkali and salt test
The test liquids for the acid, alkali and salt resistance tests of the connector are 5% hydrochloric acid solution, 5% sodium hydroxide solution and 5% sodium chloride solution respectively. Each sample is immersed in one test.
During the test, the connector is placed flat in a glass container, and then the test liquid is added. The connector should be completely immersed in the test liquid during the test time. After the specified time, the connector is taken out to observe the changes. 6 Acceptance rules
61 Products shall be shipped after being inspected and qualified by the manufacturing quality inspection department. The shipped products shall be accompanied by a product quality inspection certificate. 6.2 Product inspection is divided into factory test and type test. 6.2.1 Factory test
Factory test is a test conducted by the manufacturer on the products to be shipped. If any of the inspection items in the factory test is unqualified, it is a defective product. If one of the inspection items in the factory test is unqualified, the product is allowed to be double sampled for re-inspection of the item. If it is still unqualified, the batch of products is judged to be unqualified: Products that fail the factory test shall not be shipped. Factory test items and sampling plans are specified in subsequent standards. 6.2.2 Type test
Samples for type test shall be randomly selected from products that pass the factory test. Type test shall be carried out according to the cycle, test grouping, inspection items and sample quantity specified in subsequent standards. Type test shall also be carried out when the following situations are encountered:
8. When there are major changes in product structure, major process or main raw materials. When production is resumed after years of suspension
When the quality supervision department makes a request.
JB/T8310.1
If one sample fails in a set of type tests, double the number of samples should be taken and the set of tests should be repeated. If there are still no samples that do not meet the requirements, the type test is considered unqualified and production should be stopped. The reasons should be analyzed, measures should be taken, and the qualified samples should be retested before production and testing can be resumed. Samples that have passed type tests shall not be shipped as qualified products. 7 Packaging
7.1 Packaging requirements
In addition to complying with the provisions of this article, the packaging of connectors shall also comply with the relevant provisions of GB3873: All parts of each set of connectors shall be used as individual packaging units. After cleaning and drying, the connectors shall be packaged and cushioned individually. Paper boxes, plastic bags, etc. can be used as packaging materials. The basic packaging should contain the manufacturer's instructions for use, certificate of conformity and a list of accessories. If the basic packaging is placed in a dry moisture-proof packaging. 7.2 Packaging Marking
The outside of the packaging box should be marked with:
Product name,
Type and specifications;
Quantity;
Dimensions, gross weight,
Manufacturer name:
Factory date;
Safety mark.
Additional instructions:
This standard was proposed and managed by Shanghai Cable Research Institute of the Ministry of Machinery Industry. This standard was drafted by Shanghai Cable Research Institute of the Ministry of Machinery Industry. The main drafters of this standard are Yin Guozheng, Zhan Bin and Su Suiqiang. Yu
JB/T8310.1
Lai 880b1230
19XXXX Ridge
100044
WanduanX/X
Zhang JuXXX,XXX
19XX CollectionXX Cabin
X is flounder
Germany pxXX.XX Wing
Xianji Lotus bream3 Continuous temperature test
The continuous high temperature test of the connector shall be carried out in accordance with the provisions of GB8405.2. During the test, the temperature is raised from room temperature to the test temperature and then maintained for the specified time. After cooling for 2 hours, the gas is observed.
5.5.4 Acid, alkali and salt test
The test liquids for the acid, alkali and salt resistance tests of the connector are 5% hydrochloric acid solution, 5% sodium hydroxide solution and 5% sodium chloride solution respectively. Each sample is immersed in one test.
During the test, the connector is placed flat in a glass container, and then the test liquid is added. The connector should be completely immersed in the test liquid during the test time. After the specified time, the connector is taken out to observe the changes. 6 Acceptance rules
61 Products shall be shipped after being inspected and qualified by the manufacturing quality inspection department. The shipped products shall be accompanied by a product quality inspection certificate. 6.2 Product inspection is divided into factory test and type test. 6.2.1 Factory test
Factory test is a test conducted by the manufacturer on the products to be shipped. If any of the inspection items in the factory test is unqualified, it is a defective product. If one of the inspection items in the factory test is unqualified, the product is allowed to be double sampled for re-inspection of the item. If it is still unqualified, the batch of products is judged to be unqualified: Products that fail the factory test shall not be shipped. Factory test items and sampling plans are specified in subsequent standards. 6.2.2 Type test
Samples for type test shall be randomly selected from products that pass the factory test. Type test shall be carried out according to the cycle, test grouping, inspection items and sample quantity specified in subsequent standards. Type test shall also be carried out when the following situations are encountered:
8. When there are major changes in product structure, major process or main raw materials. When production is resumed after years of suspension
When the quality supervision department makes a request.
JB/T8310.1
If one sample fails in a set of type tests, double the number of samples should be taken and the set of tests should be repeated. If there are still no samples that do not meet the requirements, the type test is considered unqualified and production should be stopped. The reasons should be analyzed, measures should be taken, and the qualified samples should be retested before production and testing can be resumed. Samples that have passed type tests shall not be shipped as qualified products. 7 Packaging
7.1 Packaging requirements
In addition to complying with the provisions of this article, the packaging of connectors shall also comply with the relevant provisions of GB3873: All parts of each set of connectors shall be used as individual packaging units. After cleaning and drying, the connectors shall be packaged and cushioned individually. Paper boxes, plastic bags, etc. can be used as packaging materials. The basic packaging should contain the manufacturer's instructions for use, certificate of conformity and a list of accessories. If the basic packaging is placed in a dry moisture-proof packaging. 7.2 Packaging Marking
The outside of the packaging box should be marked with:
Product name,
Type and specifications;
Quantity;
Dimensions, gross weight,
Manufacturer name:
Factory date;
Safety mark.
Additional instructions:
This standard was proposed and managed by Shanghai Cable Research Institute of the Ministry of Machinery Industry. This standard was drafted by Shanghai Cable Research Institute of the Ministry of Machinery Industry. The main drafters of this standard are Yin Guozheng, Zhan Bin and Su Suiqiang. Yu
JB/T8310.1
Lai 880b1230
19XXXX Ridge
100044
WanduanX/X
Zhang JuXXX,XXX
19XX CollectionXX Cabin
X is flounder
Germany pxXX.XX Wing
Xianji Lotus bream
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