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Please complete the system that, from the beginning of the Group to buy a telephone exchange to how to make a telephone line, how to connect patch panels, install all the extension and the normal extension of each other and playing outside, to make people can learn to manage the company group phone , Answering a good score is not a problem more
Yes, two use. One at the center of the room, OLT equipment, one end connected with the telecom operators room equipment, one end and the user's home set-top box connected); a home in the user's set-top box (that is, home installed fiber optic cable ONU) Optical is a Fan does not refer to what kind of specific equipment, its full name is the photoelectric signal converter, as long as it is used for optical signals and electrical signals can be referred to as optical switch. Specific to the application of different and divided into different optical, such as video Guangduan Ji, CATV Guangduan Ji, PDH / SDH Guangduan Ji, and so on.
How many phone points can be connected to a voice patch panel?
With the ordinary cable is not the use of the advantages of the copper core cable Caixing, the kind of expensive. This will not have another power supply, 5V power good looking ah, mobile phone charger are. Many mobile phone chargers are There is a USB port output. Find a very easy bar /
What is the DDF rack? what's the effect?
However, with the modernization of power transmission equipment and information needs of social development, and now the wires and cables have been developed to the "cable in the cable", "cable in the cable" era
There is no air conditioning in the small room with a replacement patch panel. Is a building inside every two layers set up a replacement patch panel of the small room, which put the two switches and patch panels, there is no installation of air conditioning, there is no problem ah more
There is an alternating magnetic field around the single wire, the magnetic field and the electromagnetic induction of the steel pipe produce eddy current in the steel pipe, which causes the fire of the steel pipe to cause the fire. The magnetic field of the same circuit is opposite to the opposite direction, and the magnetic field will cancel each other. Will cause eddy heat
Why do you say if there is no patch panel, front-end information points directly connected to the switch, then if the cable once the problem, it is facing to re-wiring. In addition, the management is also more chaotic, multiple plug may cause the switch port damage. The existence of patch panels to solve this problem, you can replace the jumper to achieve better management. How he is managed by jumper to achieve more
According to the work area of the socket port number to the horizontal cable label, to the patch panel port number, to ensure that these three parts of the same number, and then do the form, marked above: terminal equipment number (ID / IP) address, network The number of the information outlet, the cable number, the patch panel port number, the exchange equipment port number; again with the plan, the system map is accurate, to ensure accurate, so that the completion of the integrated wiring system of the initial management information. ---- focus is the number can not be wrong.
42U of the cabinet, up to the number of 24 switches can be placed. Please elaborate, thank you! More
But the line can not improve the efficiency of electricity to take the dark line of trouble to wear trouble but beautiful how you choose
Probably the topological map I already know, that is, how the middle of the specific link. For example, the central switch is connected to the layer switch with an optical fiber, and the middle is connected with the specific device. More
How many meters of cable can be customized according to the requirements.
Does the fiber patch panel have a pigtail? What are the pigtails in the fiber patch panels?
There is no, is a chassis and inside the welding plate, as well as inside the accessories. But no pigtail with the flange on the device can not be used. ODF (OpticalDistributionFrame) Optical fiber patch panel is designed for fiber optic communications room design of fiber optic wiring equipment, with cable fixing and protection function cable termination function, transfer line function. ODF can protect the cable core and tail fiber. Optical fiber patch panels can be individually assembled into fiber patch panels, but also with the digital wiring unit, audio wiring unit installed in a cabinet / rack. Constitute an integrated patch panel. The equipment configuration is flexible, the installation is simple, easy to maintain, easy to manage, is the optical fiber communication cable network terminal, or relay point to achieve fiber, jump fiber optic cable welding and access essential equipment.