Key Features & Technical Advantages
Target Applications
Product Ordering Information & Technical Specifications
| Part Number | Data Rate | Wavelength/Type | Max Distance | Optical Power | Receiver Sensitivity | Connector/Media |
|---|---|---|---|---|---|---|
| SFP28-25G-SR | 25G | 850nm | 100m | -9.1 ~ +2.4 dBm | < -11.0 dBm | 2xLC/MMF |
| SFP28-25G-LR | 25G | 1310nm | 10km | -5.0 ~ +2.0 dBm | < -13.3 dBm | 2xLC/SMF |
| SFP28-25G-ER | 25G | 1310nm | 40km | -1.6 ~ +6.0 dBm | < -19.6 dBm | 2xLC/SMF |
| SFP28-BIDI-xx-10 | 25G | 1270nm/1330nm | 10km | -5.0 ~ +2.0 dBm | < -13.3 dBm | 1xLC/SMF (BiDi) |
| SFP28-BIDI-xx-30 | 25G | 1270nm/1330nm | 30km | 0 ~ +5.0 dBm | < -18.0 dBm | 1xLC/SMF (BiDi) |
| SFP28-CWDM-xx-10 | 25G | CWDM | 10km | -2.0 ~ +2.0 dBm | < -11.3 dBm | 2xLC/SMF |
Brand Compatibility & Smart Coding Services (Enhancing Trustworthiness)
Multi-Brand Compatibility Guarantee
Every optical transceiver undergoes rigorous protocol reverse-engineering and live-testing prior to shipment to ensure seamless operation across mainstream switches, routers, and servers without throwing error codes.
Supported Mainstream Brands: Cisco, Juniper, Arista, HPE, Aruba, Dell, H3C, Huawei, MikroTik, Ubiquiti, and more.
Free EEPROM Custom Coding: If you are running equipment from specific vendors, we provide pre-shipment custom coding (e.g., Cisco-specific or Juniper-specific codes) so your modules are plug-and-play out of the box, eliminating command-line unlocking hassles.
Testing Standards & International Compliance (Demonstrating Experience & Authoritativeness)
Rigorous Laboratory Testing (First-hand Quality Control):
Every 25G SFP28 transceiver is tested using EXFO/VIAVI High-Speed Bit Error Rate Testers (BERT) prior to delivery to guarantee zero bit errors (BER < $10^{-12}$) at 25Gbps line rates.
Complete optical eye-diagram testing is conducted to ensure extinction ratio and jitter metrics fully comply with IEEE international standards.
International Quality & Environmental Certifications:
Manufactured in strict accordance with ISO9001 certified facilities.
Certified with CE, FCC, RoHS, and TUV, fully meeting enterprise project bidding and international export regulations.
Solid Warranty & After-Sales Support:
3-Year Comprehensive Warranty: Free hardware replacement for any non-artificial defects during the warranty period.
30-Day Risk-Free Compatibility Guarantee: Unconditional return or exchange if the module fails to operate due to compatibility issues in your environment.
Typical Application Scenarios & Deployment Guide (Professional Expertise)
Scenario 1: Data Center Server Access (ToR Switch to Server)
Driven by AI workloads, cloud computing, and high-density virtualization, traditional 10G networks are hitting bottlenecks. 25G SFP28 provides a cost-effective path to connect server Network Interface Cards (NICs) directly to Top-of-Rack (ToR) switches, delivering 2.5x the bandwidth with minimal cable cost increases.
Scenario 2: Data Center Leaf-Spine Architecture
In medium-to-large scale data center leaf-spine topologies, 25G SFP28 modules are widely deployed across horizontal and aggregation layers to handle high-throughput, low-latency traffic demands.
Scenario 3: Backward Compatibility Note
Engineer’s Tip: 25G SFP28 ports often support backward compatibility down to 10G SFP+ rates (subject to switch port and module support configurations), allowing your network architecture to scale smoothly into the future while protecting current capital investments.
Frequently Asked Questions (FAQ)
Q1: This 25G SFP28 module can work on both Cisco and Huawei switches? Can I mix them?
A: Yes. Our 25G SFP28 transceivers are pre-programmed with multi-vendor compatibility codes. You can specify your switch brands (e.g., Cisco on end A, Huawei on end B) when ordering, and we will flash the corresponding EEPROM data before shipment to ensure seamless interoperability.
Q2: What is the maximum transmission distance for the 25G SFP28 SR vs. LR version?
A: The 25G SFP28 SR (Short Reach) module supports up to 70m over OM3 or 100m over OM4 multi-mode fiber (MMF) using an 850nm wavelength. The 25G SFP28 LR (Long Reach) module supports up to 10km over single-mode fiber (SMF) using a 1310nm wavelength.
Q3: Do these modules support DDM for real-time monitoring?
A: Yes, all our SFP28 transceivers feature built-in DDM (Digital Diagnostic Monitoring). Network engineers can easily check real-time parameters such as optical power, temperature, and voltage directly through the switch CLI.
Q4: What is your sample policy for engineering testing?
A: We fully understand the importance of compatibility testing for critical projects. We support low-quantity sample orders for lab testing and evaluation. Please contact our online support or send an inquiry to get your sample policy.