These OS2 single-mode fiber patch cords are built for clean, reliable links in data centers, telecom rooms, MDF/IDF spaces, and long-reach LAN/SAN interconnects. Choose your connector style (LC/SC/ST), polarity (Simplex/Duplex), and jacket diameter (2mm/3mm) to match your optics, patch panels, and routing needs.
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| Abbreviation | Meaning |
|---|---|
| SM / SMF | Single-Mode (Single-Mode Fiber) — optimized for long-distance, low-loss links. |
| OS2 | Optical Single-mode grade 2 — standard single-mode fiber for long-reach networks (commonly yellow jacket). |
| LC | Lucent Connector — compact, modern standard used on most SFP/SFP+/QSFP optics. |
| SC | Subscriber/Standard Connector — larger push-pull connector, common on patch panels and legacy equipment. |
| ST | Straight Tip — bayonet twist-lock connector, frequently found in older installations. |
| Simplex | Single-strand cable (1 fiber). Used for single-fiber applications or specialty optics/media converters. |
| Duplex | Two-strand paired cable (2 fibers) for Tx/Rx on most standard single-mode links. |
| 2mm / 3mm | Approximate jacket diameter. 2mm is slimmer/lighter for tight routing; 3mm is more robust for general patching. |
| Yellow jacket | Common color code for OS2 single-mode fiber patch cables. |