Grade B Fiber-Optic Patch Cords
Grade B fiber optic patch cords are high-performance assemblies designed to meet stringent insertion loss requirements for reliable optical connectivity in data center and telecom networks. Based on IEC 61753-1 performance classifications, Grade B patch cords ensure controlled insertion loss distribution under random mating conditions, providing stable and predictable link performance. They are widely used in high-speed transmission systems where consistency, reliability, and network stability are critical. TIA-568.3-D TIAA-604 series IEC 61754 series IEC 61753-1 Telcordia GR-326-CORE RoHS Compliant
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Overview
Specifications
| Parameter | Value |
|---|---|
| Grade | B |
| Fiber Mode | Single-mode G.652/G.657 |
| Cable Jacket Material | Low Smoke Zero Halogen (LSZH) / PVC |
| Cable Jacket Ratings | Riser (OFNR) / Plenum (OFNP) |
| Cable Jacket Color [G.652/G.657] | Yellow or Customized |
| Polarity [TIA-568.3-D] | Type A / Type B |
| Connector Type | LC/MU/SC/FC,etc. |
| Endface polish | PC / UPC / APC |
| Operating Temperature | −10~+60 |
| Storage Temperature | −40~+85 |
| Insertion Loss [Single-mode] | ≤0.2 dB |
| Return Loss [Single-mode；UPC] | ≥50 dB |
| Return Loss [Single-mode；APC] | ≥65 dB |
| Wavelength [Single-mode] | 1310 / 1550 |
| Random Mating Loss [mean] | ≤0.12 dB |
| Random Mating Loss [97% of samples] | ≤0.25 dB |
| Standard Compliance | TIA-568.3-D;TIAA-604Series(As Stated);IEC61754Series;IEC61753-1;TelcordiaGR-326-CORE |
| RoHS Compliance | Yes |
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