4. Specifications
4.1 Optical Performance
• Insertion Loss: Maximum insertion loss shall not exceed [X] dB (typical [Y] dB) at the operating wavelength range.
• Return Loss: Minimum return loss shall be [Z] dB or higher across the operating wavelength range.
• Operating Wavelength Range: [Specify the applicable wavelength range, e.g., 850 nm, 1310 nm, 1550 nm, or a combination]
• Polarization Mode Dispersion (PMD): Maximum PMD shall be [A] ps/km or less.
4.2 Mechanical Specifications
• Cable Diameter: [Specify the outer diameter of the cable, e.g., X mm]
• Cable Tensile Strength: Minimum tensile strength shall be [B] N (for short-term installation) and [C] N (for long-term operation).
• Bend Radius: Minimum bend radius shall be [D] mm (static) and [E] mm (dynamic).
• Connector Type: MPO/MTP connectors (male/female as specified) with compatible keying and polarity options.
• Connector Durability: Minimum number of mating cycles shall be [F] times without significant degradation in performance.
4.3 Environmental Specifications
• Operating Temperature Range: [-G] °C to [H] °C
• Storage Temperature Range: [-I] °C to [J] °C
• Relative Humidity: [K]% to [L]% (non-condensing)
• Resistance to Chemicals: Compatible with common environmental chemicals and substances as per industry standards.
4.4 Fiber Specifications
• Fiber Type: [Specify the fiber type, e.g., single-mode fiber (SMF), multi-mode fiber (MMF) such as OM3, OM4, etc.]
• Fiber Count: [Specify the number of fibers in the cable, e.g., 12 fibers, 24 fibers, etc.]
• Fiber Cladding Diameter: [M] μm
• Fiber Core Diameter: [N] μm (for single-mode) or [O] μm (for multi-mode)
• Numerical Aperture (NA): [P] (typical value)
5. Assembly Requirements
• All components (fibers, connectors, cable jacket, etc.) shall be sourced from qualified suppliers and meet the specified material and performance requirements.
• The assembly process shall be carried out in a cleanroom environment to prevent contamination of fibers and connectors, ensuring optimal optical performance.
• Fiber splicing (if applicable) shall be performed with precision, with splice loss not exceeding [Q] dB per splice.
• Connectors shall be properly terminated, polished, and inspected to ensure compliance with optical and mechanical specifications.
• After assembly, each cable shall undergo a comprehensive testing process to verify insertion loss, return loss, and other key performance parameters.
• The finished product shall be labeled with relevant information (e.g., fiber type, wavelength range, part number - if not restricted, date of manufacture) for traceability.
6. Installation Manual
6.1 Pre-Installation Preparation
• Inspect the cable and connectors for any visible damage, contamination, or defects before installation.
• Verify that the installation environment meets the product's environmental specifications.
• Prepare the necessary tools and equipment, including cleaning tools for connectors, cable routing hardware, and testing instruments.
• Ensure that the mating interfaces (ports) are clean, dry, and free from debris.
6.2 Installation Steps
1. Plan the cable routing path to avoid sharp bends, excessive tension, and exposure to harsh environmental conditions. Ensure compliance with the minimum bend radius requirements during routing.
2. Clean the connectors of the trunk cable and the mating ports using approved cleaning methods and materials to remove dust, oil, or other contaminants.
3. Align the connector key with the mating port keyway and insert the connector firmly until a positive click is heard, indicating a secure connection.
4. Avoid applying excessive force during insertion or removal of connectors to prevent damage to the connector ferrule or mating port.
5. Secure the cable in place using appropriate cable ties, clamps, or other routing hardware, ensuring that the cable is not subjected to unnecessary stress.
6. After installation, perform a post-installation test to verify the optical performance of the cable, ensuring that insertion loss and return loss are within the specified limits.
6.3 Maintenance and Inspection
• Regularly inspect the cable and connectors for signs of damage, wear, or contamination.
• Clean the connectors periodically using approved cleaning procedures to maintain optimal performance.
• If any performance degradation or damage is detected, replace the cable or affected components promptly.
• Avoid exposing the cable to extreme temperatures, moisture, or physical abuse during operation and maintenance.
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