Pre Terminated Fiber Optic Cable

Pre-Terminated Fiber Optic Cable Technical Specification

1. Scope

This technical specification defines the requirements, performance criteria, test methods, and general characteristics of pre-terminated fiber optic cables compliant with IEC (International Electrotechnical Commission) and Telecorida standards. It applies to various types of pre-terminated fiber optic cables for indoor, outdoor, and indoor/outdoor applications, covering multimode and single-mode fiber configurations.

2. Normative References

The following standards are indispensable for the application of this specification. For dated references, only the edition with the stated date applies. For undated references, the latest edition of the referenced standard (including all amendments) applies.

• IEC 60793 Series: Optical fibers - Part 1: Generic specification; Part 2: Product specifications; Part 3: Measurement methods and test procedures

• IEC 60332 Series: Tests on electric and optical cables under fire conditions

• IEC 61754 Series: Fibre optic connector interfaces

• Telecorida Standards: Relevant specifications for fiber optic cables and terminations

3. General Requirements

3.1 Construction

• The pre-terminated fiber optic cable shall consist of optical fibers, buffer, strengthening member (if applicable), jacket, and factory-installed connectors.

• Fibers shall be properly protected by buffers and jackets to prevent mechanical damage and environmental degradation.

• Connectors shall be securely terminated, polished, and tested at the factory to ensure consistent performance.

3.2 Material Requirements

• Optical fibers shall meet the requirements of IEC 60793 series for respective fiber types (multimode OM3, OM4; single-mode OS2).

• Jacket materials shall be compatible with the intended application (indoor/outdoor) and meet fire safety requirements of IEC 60332 series. Common materials include PVC (Polyvinyl Chloride), LSZH (Low Smoke Zero Halogen), and PE (Polyethylene).

• Strengthening members (if used) shall provide sufficient tensile and crush resistance. Materials may include steel or aramid yarns.

• Connector materials shall be corrosion-resistant and comply with IEC 61754 series.

3.3 Environmental Performance

• The cable shall operate within the specified temperature range as defined in Section 4.2, maintaining optical and mechanical performance.

• Outdoor and indoor/outdoor cables shall be resistant to water, UV radiation, and moisture penetration.

• Jackets shall be resistant to abrasion, chemicals, and other environmental factors relevant to the application.

4. Technical Specifications

4.1 Fiber Core Characteristics

4.2 Mechanical and Environmental Parameters

4.3 Connector Specifications

• Connector Types: LC, SC, MTP (compliant with IEC 61754 series)

• Polishing: Factory-polished to ensure low insertion loss and return loss. APC (Angled Physical Contact) polishing option available for low reflection requirements.

• Insertion Loss: ≤ 0.3 dB (typical) for single-mode; ≤ 0.2 dB (typical) for multimode (compliant with IEC 61755)

• Return Loss: ≥ 50 dB (for UPC polishing); ≥ 60 dB (for APC polishing) (compliant with IEC 61755)

• Connector Protection: Connector boots provided for mechanical protection and dust resistance

4.4 Jacket Specifications

• Plenum Jackets: Available for indoor applications requiring plenum-rated fire safety (compliant with relevant IEC and Telecorida plenum standards)

5. Test Methods

5.1 Optical Performance Tests

• Attenuation Measurement: Per IEC 60793-1-4 (cutback method)

• Bandwidth Measurement: Per IEC 60793-2-10 (multimode)

• Insertion Loss and Return Loss: Per IEC 61755-3 and IEC 61755-4

• Chromatic Dispersion (Single-mode): Per IEC 60793-1-5

5.2 Mechanical Tests

• Crush Resistance: Per IEC 60794-1-2

• Tensile Strength: Per IEC 60794-1-1

• Bending Tests: Per IEC 60794-1-3 (macrobend); IEC 60793-2-50 (microbend)

• Connector Mechanical Durability: Per IEC 61754-20 (insertion/extraction cycles)

5.3 Environmental Tests

• Temperature Cycling: Per IEC 60794-1-4 (exposing cables to extreme temperature ranges and measuring optical performance)

• Water Penetration (Outdoor Cables): Per IEC 60794-1-8

• UV Resistance (Outdoor Cables): Per IEC 60794-1-9

5.4 Fire Safety Tests

• Flame Propagation: Per IEC 60332-1-2, IEC 60332-3-24

• Smoke Density and Toxicity (LSZH Jackets): Per IEC 61034-1 and IEC 60754-1

6. Quality Assurance

• All cables shall undergo 100% factory testing for optical performance (attenuation, insertion loss, return loss) and mechanical integrity before shipment.

• Test reports shall be provided for each batch of cables, documenting test results and compliance with this specification and relevant IEC/Telecorida standards.

• Cables shall be labeled clearly with relevant information (fiber type, fiber count, connector type, length, test date).

• A warranty period shall be provided, ensuring that cables meet the specified performance requirements during normal use.

7. Customization

• Cable Length: Custom lengths available in 1-meter increments, up to a maximum of 2000m.

• Fiber Type and Count: Customizable based on application requirements, within the ranges specified in Section 4.1.

• Connector Configuration: Customizable connector types and polishing options (UPC/APC) based on customer needs.

• Jacket Material: Customizable jacket material (PVC, LSZH, PE) based on environmental and fire safety requirements.