Cisco

Cisco SFP-50G-LR-S | 50G SFP56 | 50GBASE-LR | 1310 nm | 10 km SMF | LC duplex | IEEE 802.3cd | 25G fallback

SKU:SFP-50G-LR-S

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Description

Enterprise 50GBASE-LR SFP56 optic for long‑reach single‑mode links up to 10 km at 1310 nm. Hot‑swappable, MSA compliant, with DOM and KP4 RS‑FEC support; dual‑rate operation allows 25G fallback on compatible ports. Ideal for campus and data center leaf–spine or WAN edge single‑mode runs.

Features

- Long‑reach 10 km single‑mode connectivity at 50G
- Dual‑rate operation for flexible 25G/50G deployments
- Hot‑swappable with DOM for easy monitoring
- Standards‑based for multi‑vendor interoperability
- Low power consumption for dense deployments

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Technical Specifications

- Form factor: SFP56 (MSA compliant)
- Line rate: 50 Gb/s PAM4 (dual‑rate 25 Gb/s NRZ fallback on supported hosts)
- Standard: IEEE 802.3cd, 50GBASE‑LR
- Wavelength: 1310 nm
- Fiber/cable: Single‑mode fiber (SMF, G.652)
- Reach: Up to 10 km
- Connector: Duplex LC (PC)
- Host FEC: RS‑FEC (KP4) required for 50G PAM4 operation
- Digital diagnostics: DDM/DOM supported
- Operating temperature: 0 to 70 °C (commercial)
- Power: Low power, hot‑swappable
- Interoperability: Works with standards‑based SFP56 ports that support 50GBASE‑LR

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