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SFP-25GERL-31 is a 25GBASE-ER SFP28 single-mode optical transceiver module that engineered for long-reach data transmission over duplex LC/UPC connections, delivering robust 25Gbps throughput at a 1310nm wavelength across distances up to 30km with integrated Digital Optical Monitoring support.
| Mellanox Part Number | SFP-25GERL-31 | Vendor Name | LINK-PP |
| Form Factor | SFP28 | Max Data Rate | 25.78Gbps |
| Wavelength | 1310nm | Max Cable Distance | 30km |
| Connector | Duplex LC | Media | SMF |
| Transmitter Type | EML | Receiver Type |
APD |
| Receiver Sensitivity | -19dBm | Operating Temperature range | 0°C to +70°C |
| Protocols | MSA Compliant, CPRI, eCPRI | Warranty | 5 Years |
Mellanox SFP-25GERL-31 Compatible LINK-PP module is a specialized 25GBASE-ER SFP28 optical transceiver designed for long-distance single-mode fiber deployments. It integrates an advanced laser architecture, dual LC interfacing, and diagnostic feature into a compact hot-pluggable form factor. This module delivers robust throughput and steady signal reliability for demanding metro and enterprise networks.
This 25G SFP28 transceiver module features a highly efficient 1310nm EML transmitter paired with a sensitive APD receiver. This optimal hardware combination ensures strong signal integrity and excellent optical power budgets. It complies fully with SFP28 MSA standards for seamless multi-vendor compatibility.
Built to handle next-generation data rates, this module provides a major bandwidth upgrade over standard 10G networks. It delivers full 25Gbps line rates to support data-heavy applications and high-density switch connections. It serves as an ideal solution for scaling backbone infrastructure efficiently.
Operating at the standard 1310nm wavelength channel, this transceiver minimizes dispersion over single-mode fiber cables. The chosen optical spectrum ensures clean signal transmission through complex fiber routing. It matches perfectly with existing long-haul network infrastructure.
Engineered for extended-reach capabilities, the module safely spans link distances up to 30km without requiring extra optical amplifiers. This long-range coverage makes it perfect for connecting regional data centers and mobile backhaul sites. It significantly reduces overall hardware deployment costs for mid-range networking.
Equipped with an industry-standard duplex LC/UPC connector, the module guarantees stable optical alignment and low insertion loss. The precise physical polish ensures minimal back-reflection within the fiber plant. It allows for quick, secure patch cable installations in dense patch panels.
Featuring built-in Digital Optical Monitoring (DOM), this transceiver tracks vital metrics like internal temperature, voltage, and optical power. Network administrators can access these real-time diagnostics instantly to simplify troubleshooting and prevent downtime. It ensures long-term operational safety and predictable link health.
Mellanox SFP-25GERL-31 Compatible LINK-PP undergoes rigorous global compliance testing to meet strict international standards, including ISO 9001, CE, RoHS, and FCC certifications.
Every transceiver passes through strict signal integrity, environmental stress, and optical performance tests before shipment to ensure stable operation.
These regulatory approvals verify that the module meets industry safety, environmental protection, and electromagnetic interference requirements.
The module is fully certified to work seamlessly across a wide range of major enterprise switches, routers, and network servers without configuration issues.
Each transceiver undergoes strict validation processes to guarantee excellent optical integrity and steady network performance under demanding enterprise workloads. To explore our comprehensive testing procedures, please visit the LINK-PP Test Support Center.
Verify precise central wavelength and side-mode suppression ratio performance.
Analyze optical signal transmitter quality and waveform integrity parameters.
Measure data transmission accuracy across extended fiber links.
Confirm stable module operation under variable environmental conditions.
We provide efficient shipping services to ensure your 25G SFP28 optical transceivers arrive safely and promptly anywhere in the world.
Prevent electrostatic discharge damage during storage and transit.
Shield delicate optical components from physical impacts during transit.
Accelerate order handling to ensure swift warehouse departures.
Ship orders reliably to worldwide destinations via trusted carriers.
Slide the SFP-25GERL-31 optical transceiver module into any SFP28 slot and connect your duplex LC patch cable for instant deployment. It serves as a vital component in modern telecommunications, metro networks, and mid-range data center paths, bridging long-distance communication gaps up to 30km with high efficiency.
LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.
Professional guidance to help you select the optimal SFP-25GERL-31 module for your network design and application needs.
Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.
Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.
Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.
LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.
15-day no-reason return and refund
Free replacement for dead-on-arrival (DOA) or defective items within the initial period
Free repair services for manufacturing defects throughout the warranty period
Warranty exclusions and conditions apply
Compatible | Mellanox | Mellanox | Mellanox | Mellanox | Mellanox | Mellanox |
Data Rate (Max) | 25.78Gbps | 25.78Gbps | 25.78Gbps | 25.78Gbps | 10/25.78Gbps | 25.78Gbps |
Wavelength | 1310nm | 1310nm | 1310nm | 1310nm | 850nm | 1310nm |
Connector | Duplex LC | Duplex LC | Duplex LC | Duplex LC | Duplex LC | Duplex LC |
Cable Distance (Max) | 30km | 40km | 10km | 20km | 100m | 30km |
Cable Type | SMF | SMF | SMF | SMF | MMF | SMF |
Receiver Sensitivity | -19dBm | -19dBm | -14 to +3dBm | -15 to +3dBm | <-10.3dBm | -19dBm |
Operating Temperature | 0°C to +70°C | 0°C to +70°C | -40 to 85°C | -40°C to +85°C | 0°C to +70°C | -40°C to +85°C |
Vendor Name | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP |
Form Factor | SFP28 | SFP28 | SFP28 | SFP28 | SFP28 | SFP28 |
Transmitter Type | EML | EML | DFB | DFB | VCSEL | EML |
Receiver Type | APD | APD/TIA | PIN | PIN | PIN | APD |
Protocols | MSA Compliant, CPRI, eCPRI | MSA Compliant, CPRI, eCPRI | SFF-8472, SFF-8402, SFF-8432, SFF-8431, CEI-28G-VSR | MSA Compliant, CPRI, eCPRI | SFF-8472, SFF-8024, SFF-8431, SFF-8432 | MSA Compliant, CPRI, eCPRI |
Warranty | 5 Years | 5 Years | 5 Years | 5 Years | 5 Years |
| Pictures | ID# | Description | Price | Stock | Add to Cart |
Q: What exact patch cord type do we need to connect two building main distribution frames 22km apart? By L***t on 2026-02-10
A: You will need a standard duplex LC single-mode fiber OS1 or OS2 patch cable operating at the 1310nm wavelength. By admin on 2026-02-11
Q: How are these optics packaged to prevent static or dust damage during international transit? By O***e on 2025-08-08
A: Each transceiver is individually sealed inside an anti-static ESD bag with protective rubber dust caps installed over the LC optical ferrules. By admin on 2025-08-09
Q: Can we check real-time optical power levels remotely while monitoring cell tower backhaul links? By M***g on 2025-03-21
A: Yes, the built-in Digital Optical Monitoring (DOM) lets you view live Tx/Rx power and temperature levels directly in your management software. By admin on 2025-03-22
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