What Is a Distribution Frame?

A device used for end-user lines or trunks and capable of provisioning and connecting them. The distribution frame is the most important component of the management subsystem, and it is the hub that realizes the cross-connection of the two subsystems, vertical trunk and horizontal wiring. The patch panel is usually mounted on a cabinet or wall. By installing accessories, the distribution frame can fully meet the needs of UTP, STP, coaxial cable, optical fiber, audio and video. Commonly used patch panels in network engineering are twisted-pair patch panels and fiber-optic patch panels. According to different places and uses, it is divided into two categories: main distribution frame and intermediate distribution frame.

Patch panel

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A device used for end-user lines or trunks and capable of provisioning and connecting them. Distribution frame is

The main distribution frame is referred to as MDF, which is used to connect subscriber lines, trunk lines, and dedicated lines to the corresponding interface points of telephone exchanges for testing, wiring, and protecting equipment in the office.

The structure of the MDF is divided into two sides, in-line and in-line. For in-line trunks or dedicated lines that do not need protection, test bars or terminal strips can also be installed. The same type of main distribution frame can be spliced to meet the needs of expansion. The main distribution frame of the subscriber switch is usually of the box type due to its small capacity. Early total distribution frames were large, with a maximum capacity of 303 lines per in-line. The security guard uses a 20 or 21 wire carbon lightning arrester and uses a thermal coil to limit the current. The test row is 20 wires, and the four-wire shrapnel type is used. Separating the shrapnel can separate the incoming line and the outgoing line. In order to cooperate with the program-controlled switchboard, the new main distribution frame vigorously reduces the volume and weight, and each column can hold 1,000 lines. Make sure to arrange 100 lines per block, and use metal discharge tubes to prevent high voltage and overcurrent. Each test line has 128 wires, which can be separated to contact the reeds, and the wires can be easily separated for testing. The wires connected to the terminals have independent wiring troughs, which is convenient for installation and maintenance. Make sure to use the card connection method to connect, and do not need to strip the insulation layer of the wire when the card is connected. The test bar is connected by winding. Both wiring methods are simple, reliable, fast, and pollution-free. According to different occasions, the new distribution frame is available in wall-mounted, floor-mounted, single-sided and double-sided types.

The main functions of the main distribution frame are: security. Protect the user line against high voltage or high current; wiring. Any user can choose the number in the office, the trunk between different offices can choose the trunk module in the office, and can connect the office and related subscriber lines according to the needs of the dedicated line.

The intermediate distribution frame is referred to as IDF, which is a distribution frame that connects the incoming and outgoing lines between the internal telephone exchanges. According to its installation location, it can be divided into two types: the main distribution frame and the intermediate distribution frame of the switching equipment and the inter-machine distribution frame.

The structure of the IDF is also divided into two sides, in-line and in-line. The in-line connects the outgoing lines of the equipment, and the in-line connects the incoming lines of the equipment. Both in-line and horizontal rows are equipped with terminal blocks. The improved terminal strip is wound on one side. The other side is the bonding wire. The function of the IDF is to allocate the access lines between the switching equipment at all levels in order to give full play to the role of the switching equipment at all levels.

Definition of distribution frame in industry standards:

ISO / IEC 11801: 2002 distribution frame-suitable for

The distribution frame is positioned at

Aiming at the shortcomings of traditional distribution frames, a new type of distribution frame has appeared on the market, that is,

RiT RiT distribution frame

Brand: RiT Technology

Super Category 6 shielded patch panel

Features: 24 ports per 1U

Supports all 6 types of line connection hardware performance specifications, bandwidth up to 250MHZ

Complies with ANSI / TIA / EIA-568-B.2-1 / ISO / IEC 11801 2nd Edition (2002) and EN50173 (2002) Category 6 / ClASS E standards

Simple and labor-saving termination with standard 110 wiring tools

Comprehensive detection of shielded cable terminations

Enhanced cable fixing device

Sealed environment enables advanced EMI / RFI protection of shielded module distribution frames

Compatible with 22-26AWG single-core or multi-strand cables

Optional PatchView system

AMP Distribution frame AMP distribution frame

AMP Anpu Super Class 5 110 series patch panel, mature and stable performance, provides a variety of port numbers from 12 to 96 for users to flexibly choose, and supports universal wiring

Performance exceeds TIA / EIA and ISO standards

Distribution frames are designed, manufactured and tested as part of the wiring system

Universal wire sequence labels support T568A and T568B terminal wiring sequences

Provide labels and embedded icons for easy labeling and management

Category 5 patch panels can be terminated with single-pair or multi-pair wiring tools

Obtained UL certification

Height 1 U = 1.75 .

0-406330-1AMP distribution frame

24 ports, height 1U

Universal wiring method

Module socket: 750 mating cycles

Wired port: 200 terminations

Panel: steel plate, powder-coated surface, black

Certification: UL certification file number E81956

0-406331-1AMP distribution frame

48 ports, height 2U

Universal wiring method

Module socket: 750 mating cycles

Wired port: 200 terminations

Panel: steel plate, powder-coated surface, black

Certification: UL certification file number E81956

Multimedia distribution frame

Schneider Electric

Performance description

All maintenance and operations are completed at the front of the distribution frame;

Cable management strips can be used to fasten and identify cables;

High density, can support up to 48 RJ45 information ports.

At the same time support a variety of YYY mixed use;

Color modules make distribution frames easier to identify and manage;

Shield grounding is easy.

Advantage

Tool-free module termination, high density, and support for various YYY, color identification, built-in grounding bar, flush installation and embedded installation.

Application range

It is suitable for the termination of RJ45 voice and data between wiring room and equipment and the termination, installation and management of optical fiber.