SpeedyFiberTX LC to LC 25m Singlemode Duplex Patch Cable

SpeedyFiberTX 2-pack LC–LC 25 m duplex patch cables are singlemode Corning SMF-28 Ultra fiber assemblies built for low loss, improved bend tolerance, and reliable rack-to-rack and equipment connections.

This pair of 25-meter LC to LC patch cords combines Corning SMF-28 Ultra optical fiber with compact LC duplex terminations and a 2.0 mm yellow OFNR riser zipcord jacket. Designed for data closets, campus distribution, and FTTH handoffs, these cables prioritize predictable insertion loss, high return loss, and flexibility for routing in constrained conduits and cable trays.

How low is the signal loss and what test metrics are guaranteed?

Each cable is factory-tested for insertion loss and return loss to ensure consistent link performance. Typical insertion loss is ≤ 0.2 dB per mated pair and return loss meets or exceeds 50 dB, which helps maintain optical budget margins for most singlemode transceivers.

• Insertion loss: ≤ 0.2 dB (per connector pair)
• Return loss: ≥ 50 dB
• Attenuation: ≤ 0.32 dB/km at 1310 nm; ≤ 0.18 dB/km at 1550 nm
• Wavelength support: 1285–1625 nm

Why use Corning SMF-28 Ultra fiber in these patch cords?

Corning SMF-28 Ultra brings industry-leading low attenuation plus enhanced bend performance, so the cable keeps signal integrity even where routing requires tight turns. It remains compatible with legacy singlemode installations and supports long-reach, metro, and access applications without special splicing procedures.

• ITU-T G.652D compliant fiber construction
• Improved macrobend tolerance compared with standard singlemode fiber
• Full-spectrum performance for DWDM and broadband wavelengths

How does the cable design make installation easier in racks and enclosures?

The slim 2.0 mm zipcord profile and LC duplex connectors with short boots allow neat, high-density routing and minimal bend stress near terminations. Color-coded heat-shrink boots make channel identification straightforward during deployment and maintenance.

• Slim 2.0 mm zipcord for tight cable management
• Short-boot LC duplex connectors for reduced strain at panels
• Color-coded shrink tubing—yellow-to-yellow, white-to-white—for clear polarity identification
• Lightweight, flexible OFNR PVC jacket for riser installations

Is this cable safe and compliant for building installations?

The jacket is OFNR-rated PVC providing riser-rated flame performance suitable for vertical riser spaces in buildings. In addition, the product meets multiple international and industry standards to simplify integration into commercial network builds.

• OFNR (riser) PVC jacket for vertical building use
• Compliance: ITU, UL, CE, IEC, TIA, RoHS
• Ferule material: ceramic for consistent connector geometry and low reflection

Who is this for: network engineers, installers, and IT managers who need dependable singlemode patch cords for data centers, telecommunications rooms, FTTH demarcation, and campus backbone links. If you require low insertion loss, proven Corning fiber, and a slim, riser-rated duplex cable for tight routing or high-density panels, this 2-pack offers tested connectors and consistent performance for professional deployments.