This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transport and storage conditions applicable to connecting, adapter junction box for coal mine optical fiber cables.
This standard is applicable to connecting, adapter junction box for coal mine optical fiber cables (hereafter referred to as "junction box"), in case cable connecting and branching are involved, they shall comply with those specified in MT/T 166 General Specification for Intrinsically Safe Crimping Type Cable Coupling and Junction Boxes for Mines.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 191 Packaging - Pictorial Marking for Handling of Goods
GB 3836.1 Electrical Apparatus for Explosive Gas Atmospheres - Part 1: General Requirements
GB 3836.4 Electrical Apparatus for Explosive Gas Atmospheres - Part 4: Intrinsic Safety
GB 4208 Degrees of Protection Provided by Enclosure (IP Code)
GB/T 10111 Methods for Random Sampling by Utilizing Dices of Random Number
GB/T 12173 Mining Electrical Apparatus for Non Hazardous Area
GB/T 13993.2 The Series of Optical Fiber Cables for Telecommunication - Part 2: Outdoor Optical Fiber Cables for Core Networks
MT/T 166 General Specification for Intrinsically Safe Crimping Type Cable Coupling and Junction Boxes for Mines
MT 209 General Technical Requirements of Electric and Electronic Products Used for Communication, Detection and Control in Coal Mine
MT 210 Basic Testing Methods for Electric and Electronic Products Used for Communication, Inspection and Control of Coal Mine
MT 286 Model Compilation Method and Management Method for Automotive Product of Coal Mine Communication
YD/T 629.1 Method for Monitoring Optical Fiber Transmission Attenuation Changes - Transmission Power Monitoring Method
YD/T 814.1 Closure for Optical Fiber Cables Part 1: Closure for Outdoor Optical Fiber Cables
YD/T 1024 The Protective Component for Fixed Optical Fiber Splice
3 Terms and Definitions
For the purposes of this part, the following terms and definitions apply.
3.1
fiber splice
connection part that permanently or separably connects two optical fibers together and provides protection to components
3.2
cable splice
protective connection part between two or more cables
