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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An assembly of one or more insulated conductors or optical fibers, within an enveloping sheath.


Details should also include the location of abrupt deviations taken from the cable’s normal planned route tja placing depth. It covers other protective measures that should be observed to reduce the probability of damage resulting from work operations in the vicinity of such cables. Reference should eiia made to the specific state law in effect. Consideration should be given to the route, method of installation, terrain and landscape.

HS, designed for driveways, parking lots and off road application subject to occasional non-deliberate heavy vehicles. See entrance room or space telecommunications. Requirements for bandwidth and system length should be considered before specifying eiw fiber type. Categories 1 and 2 were excluded from the standard since these categories were only used for voice circuits, not for data. Work on the standard began with the Electronic Industries Alliance EIAto define standards for telecommunications cabling systems.

Maintenance holes shall be installed 578 a gravel base of sufficient depth to allow for drainage and stability. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations before its use.

TIA/EIA – Wikipedia

Damage prevention laws usually specify the location of this zone. Commencement of work Protection of marking Use of nondestructive excavation methods Backfilling Damaged facilities Unknown or unmarked facilities Codes and regulations Central registries 66 B.


These documents can be obtained through contact with the associated standards body or designated representatives.

The butt splice method is preferred. Non-metallic materials shall be non-corrosive to metals and shall resist deterioration when exposed to chemical pollutants and sunlight.

Handholes General a identification; b access; c covers. HSCs represent the most robust environmental protection available for optical fiber Vented aerial closures Underground closures Direct-buried closures 52 splice closures.

Any combination of ducts, conduits, maintenance holes, handholes and vaults joined to form an integrated whole. State damage ti laws generally cover central registration. If properly installed, these cables can be installed in less time than lashing a conventional duct cable to a metallic messenger. The location of the pedestal should be away from traffic conditions that could cause injury to personnel, yet it should be easily accessible for maintenance.


Return loss Mechanical protection 43 Stripped optical fiber should be protected with a heat shrink or silicone adhesive to prevent exposure to moisture. This has no effect on the signal quality of the T1 signal, which is fully differential, and uses the Alternate Mark Inversion AMI signaling scheme.

A drain slope of no less than 10 mm per meter. The location of the vault should be away from traffic conditions that could cause injury to personnel, yet it should be easily accessible for maintenance.

Due to the variety of designs encountered in OSP construction, it is not possible to establish link or channel requirements for these ansk. Where such markings cannot be reasonably maintained due to circumstances beyond the excavator’s control, the facility owner should be contacted for assistance or re-marking.

A facility for the placement of telecommunications cable. Bridge crossings a Attachments to bridges shall be made with the approval of the AHJ.



Some terminals intended for strand mounting may also be pole mounted, where, for example, a terminal is mounted at a dead end or at an aerial-to-buried transition.

The following is a sample list of construction elements that need to be considered in the design and installation of subsurface pathways: These closures can be used in a variety of applications including branch splicing. The owner should arrange with the excavator for a prompt new marking completion date or schedule, as may be specified by state law. By using this site, you agree to the Terms of Use and Privacy Policy.

These markers shall withstand all environmental exposure required for the block without becoming unserviceable. Dual feed systems pump air into the cables at different points along the cable route. From Wikipedia, the free encyclopedia. Note that the only difference between TA and TB is that pairs 2 and 3 orange and green are swapped.

The location of other utilities, such as electrical, water, gas, and sewer, shall be considered in the selection of ta telecommunications entrance facility location. The maximum length of aerial service wire shall not exceed m ft. Typically, there are length limitations depending upon location due to the NESC wind and ice loading conditionsand special mounting hardware is required.

For the purpose of this Standard they are termed, customer-owned OSP. If there is a reverse U-shaped bend in the section, a pull box shall be installed. Vaults anei grade level or below grade environmental protection, security and quick access to the splice cases, excess cable and distribution equipment.