2024-04-12
Colleges and universities will expand campus area or add new campuses based on factors such as the number of students and teaching needs, and the ensuing problem will be campus network coverage. In order to maximize the utilization of optical fiber resources and meet the increasing demand for high performance (high speed, large capacity) and broadband of data transmission, single-mode optical fiber jumpers can be used to connect a CWDM passive wavelength division multiplexer during optical fiber cabling in the new campus. The expansion port of the user is cascaded to another CWDM passive wavelength division multiplexer, which can double the existing fiber capacity without installing or renting additional optical fibers. So how to connect the fiber jumper to the wavelength division multiplexer?
The specific connection method is as follows:
1. Splice the optical cable and pigtail, then put it into the optical fiber splicing tray of the optical fiber distribution frame, and then use the adapter and single-mode optical fiber jumper to connect the CWDM passive wavelength division multiplexer;
2. First place the two CWDM passive wavelength division multiplexers in a 1U rack-mounted fiber distribution box (for ease of management), and then use single-mode fiber jumpers to connect the two CWDM passive wavelength division multiplexers;
3. Use single-mode optical fiber jumpers and single-mode optical modules to connect the CWDM passive wavelength division multiplexer to the switch.
In the era of information construction, high-density data centers are the basic needs of large enterprises. In order to meet the needs of efficient, economical, low-loss, space-saving data centers, and to simplify multi-floor high-density wiring (since large enterprises are all in one Building offices, therefore involving multi-floor wiring), we can use optical fiber jumpers to connect wall-mounted optical fiber distribution boxes and high-density optical fiber distribution boxes to make wiring more convenient and save space for wiring. So how to use MTP/LC/MTP-LC different types of fiber optic patch cords to connect MTP/MPO high-density fiber optic distribution boxes, MTP fiber optic adapter panels, high-density fiber optic distribution boxes, and wall-mounted fiber optic distribution boxes when wiring in large enterprises What about other equipment? The specific connection methods are as follows:
1. Place the two optical fiber distribution boxes in the 1U rack-mounted optical fiber distribution box, then insert the optical module into the corresponding port of the switch, and finally use the LC single-mode fiber jumper to connect the switch;
2. Place 2 MTP fiber optic adapter panels in the wall-mounted fiber optic distribution box, and then use MTP fiber optic patch cords to connect the fiber optic distribution box to the fiber optic adapter panel;
3. Place multiple fiber optic distribution boxes (the number depends on the demand) in the high-density fiber optic distribution box (in order to meet the needs of high-density data centers), and then use MTP fiber optic jumpers to connect the fiber optic adapter panel and the fiber optic distribution box ;
4. Just use ultra-low loss LC fiber optic patch cord to connect to the server.
In addition, before connecting the fiber optic jumper to the equipment, you must first check whether the fiber optic jumper is qualified. Otherwise, when the fiber optic jumper has been fully routed, it will be discovered that the fiber optic jumper fault has caused the fiber optic link to not work properly. At that time, it will cause Big trouble. So how to detect fiber jumpers?
1. Use a red light pen to check whether the fiber jumper is connected, and make sure there are no breakpoints or faults in the fiber jumper before use;
2. Use an optical return loss tester to measure the insertion loss and return loss of the optical fiber jumper. Generally, the insertion loss value is less than 0.3dB and the return loss value is greater than 45dB. It can be used if the measurement results meet the requirements;
3. Use an optical power meter to measure fiber connector loss and fiber attenuation (it can even detect fiber fault points), and it can be used as long as it meets the standards.
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