What is a network cable jumper?

Question 1: What do jumpers mean in network wiring? Jumpers are simple wires that connect two devices, usually straight wires. Fiber skipping and direct cable connection are more common.

Encyclopedia detailed explanation.

baike.baidu/view/944? TP = TT

Question 2: What is an optical fiber jumper? What's the difference between it and the network cable? Optical fiber jumper (also known as optical fiber connector) refers to installing connector plugs at both ends of optical cable to realize the movable connection of optical path; A plug at one end is called a pigtail. Optical fiber jumpers/cables are similar to coaxial cables, except that there is no mesh shield. The center is the glass core of light propagation. In multimode fiber, the diameter of the core is 50μm~65μm, which is roughly equivalent to the thickness of human hair. The diameter of single-mode fiber core is 8 μ m ~ 10 μ m, and the fiber core is wrapped by glass cladding with lower refractive index than the fiber core, so that the fiber is kept in the fiber core. Outside is a thin plastic coat to protect the envelope. It is best to use standard fiber optic cables and other related cables. We are used to using the Finit brand in engineering wiring because the standard is cost-effective.

Question 3: The difference between jumper and network cable. There are interfaces at both ends of the jumper, such as FC-FC, SC-SC, field T-ST, FC-SC, FC-ST, which are connectors of the jumper and optical fiber jumper. Do not provide network cable, provide ordinary crystal head.

Question 4: Network cable, jumper cable and crossover cable? How to distinguish the relationship between the three? 1, nail jumping is action, process, and others are names.

It seems that the difference between punching sandbags and punching sandbags

Jumper originally refers to a line with multiple branches that can be connected. Simple understanding is physical single pole double throw switch.

On the network line, jumper means that the two ends of the line are inconsistent and the position of the line is changed according to certain rules. For example, both ends are the same standard. If you cross lines 13 and 26, you can jump to the cross line of A and B. This action is a jumper.

The so-called parallel lines, intersecting lines, straight lines and so on are just names. You don't have to worry so much.

Remember that peer-to-peer devices are connected by a label A and a label B, and different devices use the same connection at both ends!

For example, router → computer is the latter → computer is the former!

Question 5: The difference between ordinary network cable and jumper. As far as five types of 100-megabit networks are concerned, there are two versions of network cables, parallel cables and cross cables. Everyone normally uses parallel lines, computers are connected to switches, and computers use crossover lines. Both types of cables must be jumpers, but the same method is used at both ends of parallel cables, such as 568A or 568B. A crossover cable means that one end is A and the other end is B.

Question 6: What is the difference between a network jumper and a network cable? The network jumper is a small switch that controls the current on the circuit board. Its function is to adjust the on-off relationship of different electrical signals on the device and adjust the working state of the device, such as determining the master-slave relationship between the motherboard voltage and the driver. Network jumper basically consists of two parts, one part is fixed on the motherboard, hard disk and other equipment, and consists of two or more metal jumper pins; The other part is the jumper cap, which is a movable part. The outer layer is made of insulating plastic and the inner layer is made of conductive material. It can be plugged into a jumper pin to connect two jumper pins. When the jumper cap is buckled on the two jumper pins, it is conductive and current flows. We call it the beginning. Conversely, when the jumper cap is not buckled, it means that it is disconnected, which is called disconnection.

Question 7: What does the jumper in the network cable mean? Network management can be divided into industrial integrated wiring and network management. Industrial wiring cannot be assigned to post-management. In the later network management, it is impossible to add a computer to put a line. Jumper is an industrial integrated wiring managed by network management in the early stage. Where is the integrated wiring? The network administrator needs a wire from the switch to the corresponding number of distribution frames.

Question 8: How are the lines and jumpers of the network cable connected respectively? What's the difference? Generally, if two computers are directly connected with a network cable, they will use it.

T568B: white orange, orange, white green, blue, white blue, green, white brown, brown.

T568A: white green, green, white orange, blue, white blue, orange, white brown, brown.

That is, jumpers

If there is a switch, both can be used.

However, many of the latest network cards are adaptive, and both can be used (with self-switching function).

Question 9: What is the function of jumper in integrated wiring? Simply put, a jumper is a finished line with connectors at both ends. It is a link line that can be used by inserting both ends into the corresponding ridges of two devices. There are many kinds of jumpers. You can spend your mother.

Question 10: What is the function of network jumper? There are three types of RJ45 head network jumpers.

1, straight line1-12-23-34-4 5-5 6-6 7-7 8-8 connects different types of equipment (between switches and routers). The current network interface automatically reverses by default! So it doesn't matter.

2. Crossover lines1-32-63-14-45-5 6-2 7-7 8-8 connect the same equipment of the same type (between switches and routers). The current network interface automatically reverses by default! So it doesn't matter.

3. The total reflection line1-82-73-64-55-46-37-28-1is tested and debugged by the equipment manufacturer.

1: orange white 2: orange 3: green white 4: blue 5: blue white 6: green 7: brown white 8: brown