This standard specifies the model, specification, structure, technical requirements, etc. of outdoor optical cable connectors. This standard applies to connectors used for outdoor general optical cable connections on land. JB/T 8310.2-1996 Optical cable connectors Part 2 Outdoor optical cable connectors JB/T8310.2-1996 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T8310.2
1996-04-11
1996-10-01
Cheek Kui Extreme
Cheek Xin Kui Lu Wa Peng Xian
2 Nian Tan
Subject Content and Scope of Application
This standard specifies the model, specification, structure, technical requirements, etc. of outdoor optical cable connectors. This standard applies to connectors used for outdoor general optical cable connections on land. In addition to complying with the provisions of this standard, outdoor optical relay connectors should also comply with the requirements of JB/T8310.1. Cited Standards
JB/T8310.1-96 Optical Cable Connectors Part 1 General Principles
GB 557785
3 Product Representation Method
Synthetic Rubber Brand Specifications
3.1 Products are represented by model, specification and number of this standard. 3.2 Model, Name and Use Requirements
3.2.1 Model
Outdoor Chemical Cable Connector Model consists of blue part Branch code
Appearance structure transmission boundary
Type code (GJW)
The codes of each part are as shown in Table 1.
Type structure
Branch code
1996-04-11Bump
Utong type
One in and one out
Two in and two out
Three in and three out
JB/T8310.21996
1996-10-01Small cable
3.2.2Classification
The classification of outdoor optical cable connectors is as specified in Table 2. Structural type
Open type
JB/T8310.2
Main application occasions
Underground, pipeline, buried
Aerial, pipeline, plastic ground
3.2.3 Specifications
Specifications of outdoor optical cable connectors are classified according to the number of optical cores, such as 6, 12, 18*, etc. 3.3 Example
12-core straight-through one-input and two-output outdoor optical cable connector is expressed as: GJW7.1/2--12JB/T8310.31096
4 Technical requirements
4.1 Structure
The outdoor optical cable connector should be composed of some or all of the following components. 4.1.1 Shell
Sealing method
Heat shrink seal: Mechanical type
Heat shrink seal, mechanical expansion seal
Mechanical type:
The outer protection device of the connector, the shell can be installed with a grounding wire lead-out device (used to lead the metal parts in the connector and the optical cable to the ground) and a valve (used to inflate and measure the gas when checking the connector seal). 4.1.2 Inner body
The general term for the internal components of the connector. The inner body should include the following parts. a. Support frame, used for internal structure support; b storage box: used to store optical fiber connectors and excess length, can store single-core or multi-core optical fiber connectors, the storage box can be fixed or movable, the minimum bending radius of the optical fiber in the storage box should not be less than 35mm (optical fiber wavelength is 1310nm) or 50mm (optical fiber wavelength is 1553nm) +
optical fiber fixing device: used to fix the optical cable, divided into optical cable fixing and reinforcement fixing parts, usually installed on a small support frame; shielding ring and dust lead: used to lead the electrical connection of the optical cable armor layer to the ground, called comfort floating 4.1.3 Sealing material
connector sealing material can be one of the following two materials or a combination of two materials a. heat shrink material; tubular or sheet heat shrink material with hot melt adhesive on the inner wall, with heat shrink seal, its performance should meet the requirements of Appendix A of this standard:
strength. Mechanical sealing materials: sealant, graphite, used for mechanical sealing, its performance should comply with the provisions of GBG377. 4.2 Optical transmission performance
The optical power monitored before and after the connector installation operation should not change. 4.3
The air pressure in the connector is 70kPa, and the pressure drops to no more than 5kPa after 72h of storage. 4.4 Mechanical properties
4.4.1 Tensile
The load borne by the connector during the tensile test should comply with the provisions of Table 3, and the minimum air pressure in the connection is 3CkPa. The test results should comply with the provisions of 4.5.t in Jhi;830.1. 2
4. 4. 2 Flattening
Sensitive installation type
Tensile force
JB/T8310.2
Overhead, pipeline
The pressure that the connector bears when undergoing the flattening test shall comply with the provisions of Table 4, and the air pressure in the connector is 30kPa. The test results shall comply with the provisions of 4.5.2 in JB/T8310.1. Table 4
Laying type
Tensile force
Overhead, pipeline
N/10cm
4.4.3 Punchout
The impact energy that the connector bears when undergoing the impact test shall comply with the provisions of Table 5, and the air pressure in the connector is 30kPa. The test results shall comply with the provisions of 4.5.3 in JB/T8310.1. Table 5
Installation type
God strike energy flea
4.4.4 Bending
Overhead, pipeline
The connector shall be subjected to 5 cycles of bending test. The load during the test shall comply with the requirements of Table 6. The pressure of air in the connector shall be 30kFa.
The test result shall comply with the requirements of 4.5.4 of JB/T 8310.1. Table 6
Installation type
Overhead, pipeline
The connector shall be subjected to 5 cycles of torsion test. The torsion angle is ±90°, the load is 150N, and the pressure of air in the connector is 30kPa. The test result shall comply with the requirements of 4.5.5 of JB/T 831C.1. 4.4.6 Vibration
Connector vibration test The vibration frequency is 10 times. The vibration frequency is 10Hz. The amplitude is ±3mm. The pressure of the air in the connector is 30kPa. The test results shall comply with the provisions of 4.5.6 of JB/T83I0.1. Connectors used in overhead and bridge applications must undergo vibration tests. Connectors used in other applications may be tested based on the actual situation.
4.5 Environmental performance
4.5.1 Temperature cycle
The maximum and minimum temperatures in the temperature cycle test of connectors shall comply with the provisions of Table 7. The holding time at each temperature point shall be no less than 2 hours. The number of temperature cycles shall be no less than 10 times. The pressure of the air in the connector is 30kPa. The test results shall comply with the provisions of 4.5.5 of JB/T83I0.1. Table 7
Deployment type
Maximum temperature
Minimum temperature
4.5.2 Continuous high temperature
Framework, alternating
The maximum temperature of the continuous high temperature test for connectors is 60℃, the holding time is 72h, the pressure of the gas in the connector is 30kPa, and the test results should meet the requirements of 4.6.2 of JB/T8310.1.
4. 5. 3 Acid, alkali, salt resistance
JB/T8310.2
The connector is resistant to acid, alkali, and salt. The immersion time of the acid, alkali, and salt test is 14 days, the pressure of the gas in the connector is 30kPa, and the test results should meet the requirements of 4.6.3 of JB/T8310.1.
5 Acceptance rules
5.1 Factory test
The factory test items of outdoor optical cable connectors shall comply with the requirements of Table 8, and the acceptance criteria shall be in accordance with 6.2.1 of JB/T8310.1. Table 8
5.2 Type test
Inspection items
Optical transmission performance
Normal sealing test
Sampling plan
All products
3% per batch, not less than 3
3% per batch, not less than 3
Testing plan
Article 5.1 of JB/T8310.1
Article 5.2 of JB/T8310.1
Article 5.3 of JB/T8310.1
The grouping, test items, number of specimens and inspection cycle of the type test of outdoor optical cable connector shall comply with the provisions of Table 9. The test sequence of each group must be strictly in accordance with the provisions of Table 9. When the previous test has failed, the product is judged to be unqualified in the test of this group and there is no need to carry out the subsequent test items. The individual criteria shall be in accordance with 6.2.2 of JB/T8310.1. Table 9
Test items and sequence
1. Sealing
4. Continuous high temperature
1. Sealing
4. Temperature cycle
1. Sealing
3. Vibration
4. Acid, alkali, salt resistance
Sample quantity
Test period (month)
Test method
5.3
JB/T8310.1 5. 4. 6
JB/T8310.1 5,4.5
JB/T8310.1+ 5.E.3
JB/T8310. 1 5. 3
JB/T8310, 1 5, 4. 7
JB/T8310. 1 5. 4. 4
JB/T8310.1 3.5.2
JH/T8316. 1 5, 3
JH/F8310. 1 5, 4. 3
JB/T831ml,1 5. 4. 8
5.5.1 of JI3/T8310.1
JB/T8310.2
Appendix A
Main performance indicators of heat shrinkable materials
(Supplement)
Main technical performances of heat shrinkable materials are shown in Table A1. Table A1 Main technical performances of heat shrinkable materials
Mechanical properties
Tensile strengthbzxz.net
Elongation at break
Project name
Heat aging performance (sample treatment conditions: 150℃: 168h)Tensile strength
Elongation at break
Acid and alkali resistance (sample treatment conditions, 23 ri 24 h)S0.(3%)
Tensile strength
Elongation at break
Weight change rate
NaOH(0.1%)
Tensile strength
Elongation at break
Stiffness change rate
Stone paste resistance (sample treatment conditions: 70℃: 168h)Elongation at break
Weight change rate
Withstand voltage
Volume resistivity
Water absorption
Environmental stress cracking resistance
(Test group treatment conditions: 96 h)
Axial change rate
Low-temperature brittleness temperature (sample processing conditions: -60°C)Carbon black protein content
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This standard was drafted by Shanghai Cable Research Institute of the Ministry of Machinery Industry. The main drafters of this standard are Qiu Guozheng, Mu Chengbin and Su Suiqiang.
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