How to configure optical module pigtails, what are the commonly used models of pigtails: LC-LC; LC-FC; LC-SC; FC-FC; FC-SC; SC-SC, etc. These are the more commonly used models. There is also the length of the pigtail: 1, 2, 3, 5, 10, 15, 20, 30 meters, the most commonly used are 1, 3, 5, 10, 15 meters, the length is based on the equipment and the ODF box determined by distance.
The number of pigtails depends on the optical module used. There are two single-core optical modules, and four if it is a dual-core optical module. The mainstream is still a dual-core optical module. There are 4 pieces in total. The LC-LC pigtails are basically used in intelligent engineering, and LC-FC pigtails are also used. This depends on how the designer configures this piece, but now many are using LC-FC. This kind of fiber optic disk has many flanges, which are easy to find in the market and convenient for later maintenance and replacement.
The configuration of BBU and RRU pigtails for communication 3G/4G is also the same. There are 2 BBUs and 4 RRUs each, which add up to 4. Basically, they all use dual cores, and the pigtail type LC-FC for communication equipment.
Finally, let’s talk about the pigtail, because the pigtail is basically used on the equipment and is very close to the equipment. The pigtail should not be too long. According to the large sample diagram of equipment installation, it can be seen that generally 1m/ 3m/5m/10m are the most commonly used, and the pigtails must be properly matched. If the pigtails are too long, the pigtails will be piled up in the cabinet or ODF box, which is ugly. The flying fiber is also ugly, and the distance is just the best.
There is also a possibility that pigtails are used. The optical cable does not go directly from the starting point to the end point. This is equivalent to an extra jump point in the middle. Normally, two optical fiber distribution boxes need to be melted, and fiber jumpers are needed here. , if the optical module is the type of two fibers, two jumper fibers should be placed in the middle of the two branch lines, and they are connected to form a jump point. In this case, the commonly used jumper fiber is FC-FC of. Another problem with the pigtail is that it is easy to break, or the optical attenuation is too large, which will cause it to be unusable. Therefore, when reporting the pigtail, add about 1% more to ensure the loss of the layer fiber.
