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To learn more about our privacy policy Click hereThere are not many requirements for Fiber Optic Splice Closure itself, but in order to make the fiber optic network run as efficiently as possible, it is a very important problem to select the correct splice box for the network. The cable section from the front end to the hub or node box is very harsh. Pulling the cable from the climate-adjustable fire-proof front end into the trench or air will encounter dangerous weather, branches, chemicals, car accidents, excavators, animal bites, bullets and other hazards.
When the cable jacket is broken and the optical fibers are spliced together, each optical fiber can pass through as many as 25 optical fiber splice boxes. The connector box is different from the front end. There is no room for climate control and fire fighting equipment. Usually, the door is not tight. However, it is generally expected that the connector box can accommodate and protect a large number of optical fibers, such as the front end, so the connector box becomes one of the most important connection devices in optical fiber equipment.
1. Development of Combined Boxes SCTE has yet to formulate general technical requirements for combined boxes. However, the cable TV industry has learned a lot from telephone companies over the years. Prior to the emergence of fiber optic cables, the internal standards for twisted pair cables required telecom operators to use packaged splice boxes at the terminals. This standard was also adopted at the beginning of the cable, but it was soon proved invalid for the cable. The appearance of the inflatable sealed connector box eliminates the packaged connector box.
In the early stages of the competition, it was believed that the inflatable sealed joint box could reduce the cost. However, telecommunications companies have begun to use sealed splice boxes that do not require sealants and do not require inflation. The emergence of this technology prompted Bellcore to introduce TR-771 specification. This standard stipulates the uniform requirements for all optical fiber splice boxes. The cable TV industry has adopted this standard.
2. A large number of optical cables are used in the environment to promote the development of connector boxes. For example, the new GR-771 standard divides the application types of joint boxes into six categories: buried, underground, support, external, wireless and internal. This standard is a useful tool for determining whether a joint closure is suitable for a particular application. Although some joint closures are suitable for only one application type, other joint closures may be common. Therefore, users should negotiate with connector manufacturers according to their specific needs.
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