G652 Fiber Optic Fusion Splicing Mode
The recommended fusion splicing mode for G.652 fibers is the G652/SM AUTO mode on modern fusion splicers.
Recommended Splicing Mode
For G.652 single-mode fibers, technicians should use the G652/SM AUTO mode on up-to-date fusion splicers. This mode automatically aligns the fiber cores using the splicer's cameras, ensuring minimal splice loss without manual adjustments. If the fiber type is unidentified, the splicer can be set to AUTO mode, which detects and aligns the cores automatically .
Splice Loss and Compatibility
G.652 fibers are fully compatible with other standard single-mode fibers, including G.657A1 and G.657A2. When spliced together using a modern core-to-core alignment fusion splicer, the typical splice loss ranges from 0.01 dB to 0.03 dB, which is well below the industry threshold of 0.1 dB and does not affect network performance . The Mode Field Diameter (MFD) of G.652 fibers aligns closely with these other fibers, allowing seamless light transmission through the splice.
Practical Considerations
- Arc Calibration: After selecting the correct splice mode, calibrate the arc to ensure optimal fusion quality .
- Bend Radius: G.652 fibers are more sensitive to bending. Maintain a minimum bend radius of 30 mm in closures or trays to prevent macro-bending attenuation .
- No Special Equipment Needed: Standard single-mode fusion splicers are sufficient; no manual parameter adjustments are required for G.652 fibers . In summary, using the G652/SM AUTO mode on a modern fusion splicer, with proper arc calibration and careful handling, ensures low-loss, reliable splices for G.652 single-mode fibers, whether splicing to the same type or compatible fibers like G.657A1/A2.
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