Light distribution frame and traditional distribution frame

There are some obvious rules to follow: five types of distribution frames are used for five types of installation, six types of distribution frames are used for optical fiber, and optical fiber distribution frames are used for optical fiber installation. In addition, all copper distribution frames should be of different performance types in backwards compatibility. Backward compatibility means that the paired connections of different kinds of plugs and sockets meet the requirements of low-level components, and all components used in structured wiring systems are compatible with system types at the component level. However, in order to enable you to choose the best patch panel for installation, you need to consider more factors.

We also need to see how different industry standards define patch panels: ISO/IEC11801:2002 patch panels-wiring equipment suitable for jumper connections. This makes it more convenient to move and change the wiring system.

ANSITIA/568-B distribution frame-a cross-connection system composed of paired connectors, which is easy to manage.

Cross-connect-A device that interconnects or cross-connects and terminates cable elements.

You can see that there are various interpretations of the original meaning, and the choice generally depends on some factors, such as user needs, budget, reliability, installation life, ease of use, aesthetics and the familiarity of the installer with the product. Copper cable distribution frame Now, let's take a look at the factors that must be considered when choosing a suitable copper cable distribution frame for installation. Copper distribution frames are generally divided into economical, mid-range or high-end distribution frames.

Economic distribution frame Economic distribution frame is usually fragile in structure and unstable in performance, lacking technical support or guarantee. The termination of distribution frame will generally consume more installation costs, without the support of cable management equipment, and the label equipment is also very poor. Economical distribution frames usually have low port density per U space.

Mid-range distribution frame

The middle-grade distribution frame can play a better role than the economical distribution frame by selecting reasonable high-quality materials. Generally, it is independently tested by a third party and provides some form of long-term warranty. It is usually easier to terminate using industry standard tools, and the label is compatible with recognized industry label manufacturers. Mid-range patch panels have higher patch panel density.

High-end distribution frame

High-end distribution frames are generally solid structures with reliable performance and independent test certificates. They are usually equipped with built-in cable management devices to support and protect cables for easy termination. At the same time, it also provides accessories, including cable ties, locking nuts and labeling equipment for cable management. The gold plating on the contact piece will be thicker, so that more reliable contact can be achieved when inserting the jumper. Some distribution frames are also equipped with complete socket covers to prevent dust pollution. They can also be integrated with intelligent wiring.

Skills of selecting copper cable distribution frame

When selecting a patch panel, there are some key factors to consider:

Does the installation include UTP or STP cables? This seems obvious, but if STP is terminated in UTP distribution frame without connecting the shielding layer or grounding wire to the main electrical grounding layer, it will cause system noise or electromagnetic interference, which will lead to the destruction of transmitted data packets.

Typical modular structure of distribution frame

The distribution frame adopts modular structure, which ensures that modules can be added or moved as needed when the system expands. Some modular distribution frames can allow cables to be terminated outside the cabinet, and then modules can be inserted into the distribution frame to arrange cables in proper positions. This method is very beneficial on the active network, and it will bring the least interference.

Mark a port with a unique identifier

Marking ports with unique identifiers will enable them to operate and maintain effectively. Labels should be easy to understand and can be stored permanently to extend the whole service life of the parts. When the distribution frame is used for cross-connection, each area shall be identified by color and conform to the following ANSI/TIA/EIA-606A standards:

It may be necessary to terminate the module again.

Some distribution frames have crimp connectors, which must be replaced when they need to be terminated again.

Characteristics of cable management

The cable management device on the back of the distribution frame is used to support the wiring to cope with excessive stress, simplify the cable layout and maintain the minimum bending radius of the cable. On some distribution panels, this is an integral part of the design, while other distribution panels have separate cable management, which is included in optional accessories.

Wiring rules

The wiring rule of the system can be 568A or 568B. Although the most common is 568B, some distribution frames are equipped with two-color codes of 568A or 568B wiring rules.

dimensional requirement

Distribution frames come in various sizes, such as 1U boards with 15, 20, 24, 32 or 48 ports, and 2U boards with 32 or 48 ports. Many economical distribution frames cannot support higher density ports.

space available

High-density distribution frame is mainly used when cabinet space is precious. There can be 48 ports on the high density 1U distribution frame. Extra care must be taken when laying or terminating cables in these panels, because there is only limited space for 48 cables in the space of1u. Labels should also make way for the 48 RJ45 ports in front of the distribution frame, because there is almost no place to put traditional labels.

Sliding distribution frame

Sliding distribution frame is easy to install from the front, mainly to make installation, termination maintenance or adding additional data sockets convenient and easy.

perform

Just because the manufacturer claims that the patch panel meets six categories of performance does not mean that it can also meet the latest published standards. Seek third-party confirmation from the testing room to support these claims.

optical fiber distribution frame

The first question that needs to be answered is, why do we need fiber distribution frames?

The distribution frame is an openable box, which protects optical cables and bare optical fibers and provides storage places for splicing, fiber optic adapter and connectors. When disconnected, the fiber optic adapter and connector should be protected from dust and other pollutants.

Economical optical fiber distribution frame

Economic fiber distribution frames are usually fragile in structure, without cable management, sealing tubes or labeling equipment. Their connector spacing is usually uneven, and no adapters are usually provided. The economical fiber distribution frame may also be shallow, which may damage the fiber.

Mid-range fiber distribution frame

The mid-range optical fiber distribution frame is made of reasonable quality materials, and its labels are generally interchangeable with label manufacturers recognized in the industry. Glue has some cable fixing structures that can be fixed or inserted when the depth of the current distribution frame is adjustable.

High-end fiber distribution frame

High-end optical fiber distribution frames usually have all the characteristics of mid-end optical fiber distribution frames, and are more robust in structure. High-end optical fiber distribution frame provides all related accessories, including cable manager and connector support device; They are fixed on the tack, which is related to the looseness of the bonding substrate when the active device heats up. Cable ties, lock nuts, fixing tools and labeling equipment have been provided. These panels are usually equipped with replaceable front panels for different types of connectors, and can also be inserted deeper to accommodate flexible pigtails. Optical distribution frames can also integrate intelligent wiring. Skills of selecting optical fiber distribution frame

The following are some key factors to consider when selecting fiber distribution frames:

Is it wall-mounted or rack-mounted? Is it used for horizontal system, backbone network or centralized wiring?

Optical fiber distribution frame is generally installed in the wiring closet, and small installation can also be directly installed on the wall. If the patch panel is used in a horizontal system, its density will be higher. Centralized optical fiber cabling technology can form trunk/horizontal channels in buildings. The channel can be created, interconnected or spliced by using optical cables from the work area to the central distributor. When used in horizontal systems or centralized wiring, optical fibers can be dual-mode or quad-mode cables. The backbone fiber can be multimode, single mode or hybrid fiber. Connectors are often used to supplement network hardware.

The number and size of optical fibers entering the distribution frame should be considered to ensure that enough holes of suitable size are generated to accommodate the optical cable sealing tube. If small package (SFF) connectors are used, the 1U distribution frame can accommodate up to 24 duplex connectors or 48 fiber bundles.

Cable allowance

A certain number of optical cables should be reserved to ensure that a layer of fiber reinforced film is made on the chassis of the distribution frame. In this way, the optical fiber can be prevented from being pulled out of the distribution frame, and at the same time, the cable can be prevented from being subjected to excessive stress.

protect

Optical fiber distribution frames should provide adequate protection for connectors to prevent accidental contact.

adaptability

The fiber distribution frame shall be able to remove existing connectors and add new connectors or optical fibers. It must also be able to store and identify non-connector optical fibers in horizontal or trunk cables.

Optical fiber management

Cable management should be provided whether the connectors are directly terminated or pigtails and splices are used, and optical cable management in the distribution frame can provide high-density termination. High-density termination can save space, so it is easier to manage grounding and jumper on the basis of installation. There should be enough space and reserve for the main fiber and tail fiber to be used separately. Color coding of connectors and adapters

Labels and color-coded connectors and adapters can prevent different types of lamps from being connected incorrectly. Multi-mode adapters should be beige, while single-mode adapters are blue and APC connectors are green.

Cable management

Labels are generally screen printed on the surface of high-density optical fiber distribution frames, but labels are not allowed in the position of copper distribution frames. Sliding optical fiber distribution frame

They can be easily terminated from the front, which also provides convenience for the future maintenance of optical fiber connectors. There are many sliding distribution frames, from metal sliding on metal to nylon sliding, all for the convenience of plugging and unplugging.

Interchangeable front plate

This feature can improve the usability of the distribution frame, because the chassis is the same and the front panel can be customized according to the needs of users.

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