What is CO-OSP? • Customer Owned Outside Plant. • “Telecommunications infrastructure designed for installation exterior to buildings”. ANSI/TIA/EIAA . Active, Most Current. BUNDLE AND SAVE: Item is contained in these product bundles. EN. Additional Comments: ANSI APPROVED. Format. TIA/EIA Engineering Standards and Publications are designed to serve the public Outside Plant Telecommunications Cabling Standard (ANSI/TIA/EIA).

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Customer-owned OSP cabling consists of the backbone cables, splices, terminations, and patch cords or jumpers used for backbone-to-backbone interconnection. Feeder pairs are connected to distribution pairs with jumper wires between the feeder block and distribution block. The armor is usually added to increase the rodent resistance of a direct-buried cable, however the armor also serves as an extra layer of protection against other factors, such as very rocky soil.

If the Document is identified or marked as a project number PN document, or as a standards proposal SP document, persons or parties reading or in any way interested in the Document are cautioned that: The specific location where excavation work is to be performed.

Since the fibers are basically welded together, it is possible to get an environmentally stable optical fiber connection. Work on the standard began with the Electronic Industries Alliance EIAto define standards for telecommunications cabling systems.

A combination of all cables, jumpers, cords, and connecting hardware. The point of emergence for telecommunications cabling through an exterior wall, a floor, or from a conduit. Consideration should be given to the route, method of installation, terrain and landscape. Maintenance holes shall be equipped with: An entrance to a building for both public and private network service cables including wireless including the entrance point of the building and continuing to the entrance room or space.

This is rectified by correctly pairing the pins. Single wire connectors discrete can be used to join or bridge tap half-tap one wire to a through wire and accommodate 26 through 19 AWG wire.


Maximum allowable backbone fibre distances vary between m and m, depending upon the cable type and use. Access to the housed components is typically achieved through doors or removal of a portion of the housing. Where conduit is required for short special conditions in buried distribution systems, separate ducts for power and communications facilities must be provided as covered in NESC Rule A6. It is suggested that the markings consist of: General Definitions 91 92 1 different sizes or types of plugs to mate with one another or to fit into a telecommunications outlet, 93 2 the rearrangement of leads, 94 3 large cables with numerous conductors to fan out into smaller groups of conductors, and 95 4 interconnection between cables.

The owner should notify the excavator when marking is complete. Placing depth as required by local code. Also, suitable corrosion resistant markers or cable tags showing appropriate facility owner operator information should be placed to facilitate visual identification of the fiber cable.

The telecommunications pathways within the tunnels may consist of duct, tray, or wireway. Mandatory and advisory terms In accordance with TIA Engineering Manual, two categories of criteria are specified; mandatory and advisory.

Stewardship Telecommunications infrastructure affects raw material consumption. Outdoor closures may be installed in pedestals, maintenance holes, and on poles and cable messenger strands. This mechanical protection should extend below ground level via a conduit bend to the specified burial depth of the cable see table A type of construction in which steel reinforcement and concrete are combined, with the steel resisting tension and the concrete resisting compression.

This will guide the facility owner s to locate and mark their facility at the proper excavation location. Handholes may be placed when the bends exceed either two degree bends or a total of degrees; or the section length of conduit requires a pull point for ease of cable installation.

Annexes Annex A and B are normative and considered as requirements of this Standard. Thus, the standardization process can reasonably be said to have provided at least a nine-year lifespan for premises cabling, and arguably a longer one. Tapes with metallic coatings will generally exhibit less elongation than dielectric tapes.


Where mandated by the AHJ, automatic switchover to standby power shall be provided. These enclosures are commonly known as splice cases, or closures. Many people refer to cross-connects by their telecommunications names: Questions that occur regarding any reduction of these clearances should be discussed with a responsible representative of the owning company.

Aerial cable is installed between supporting structures such as poles, buildings and other structures.


They must be compatible with metals and other materials such as conductor insulation and filling compounds wia in the manufacture of cable. Choosing media a flexibility with respect to supported services; b eai useful life of backbone cabling; and c site size and user population. The design of the conduit assembly and associated support structure, or cable attachment, should be consistent with pertinent local regulations controlling bridge construction. Cross-connect jumper wire shall be wire of the same or higher transmission category as the cross-connect block.

EIA agreed to develop a set of standards, and formed the TR committee, [3] with nine subcommittees to perform the work. Documents superseded This is the third issue of this Standard. Optional connection facility that is cabled between the equipment outlet and Distributor B or Distributor C in a hierarchical star topology. Local political subdivision tax records and public works department plat records may be referred to for other classes of ahsi owners, such as private corporations, government networks, etc.

In addition to helping protect personnel ansu equipment from hazardous voltages, a proper bonding and grounding system may reduce EMI to and from the telecommunications cabling.

TIA/EIA – Wikipedia

A transmission path between two points, not including terminal equipment, work area cables, and equipment cables. The physical or logical arrangement of a telecommunications system. anzi

Additional information is desirable to show specific contact information and to identify the facility owner.