Cisco SFP-25G-ER Lite Compatible 25GBASE-ER SFP28 is a 1310nm optical transceiver module with delivery speeds of 25 Gbps over OS2 SMF up to 40 km with FEC, or 30 km over G.652 without FEC, utilizing duplex LC connectivity. With the support of FEC, DDM, and DOM, the device can be monitored for real-time functionality and is completely compliant with SFP28 MSA and IEEE 802.3by/802.3cc for 25GbE links.
The SFP28 module implements a DFB transmitter with a PIN receiver and consumes less than 2 W of power, making it useful for today’s high-density 25G ports. The hot-pluggable interface allows for quick service turns while maintaining ER link budgets for metro and campus backbones. The module is suited for long-reach 25GbE where FEC is supported on the host to guarantee 40km performance.
Compatibility includes Cisco SFP-25G-ER Lite, Mellanox SFP28-25GER-31, Brocade 25G-SFP28-ER40, and Generic SFP-25G-ER to allow for multi-vendor environments. The transceiver is suitable for telecom and data center 25G Ethernet while being scalable for metro and ISP distribution where consistent 1310 nm ER optics are required.
Specifications
| Parameter | BYXGD Specification |
| Form Factor | SFP28 |
| Max. Data Rate | 25.78 Gbps |
| Wavelength | 1310 nm |
| Connector | Duplex LC |
| Fiber Type | OS2 Single-Mode (G.652 core) |
| Max. Distance | 40 km (with FEC) |
| Transmitter | DFB / DML 1310 nm |
| Receiver | PIN / APD |
| TX Optical Power | -3 to +6 dBm or 0 to +6 dBm (per model) |
| Receiver Sensitivity (Min) | < -18 dBm or < -19 dBm (per model) |
| Receiver Overload | -5 dBm |
| Power Budget | 19 dB |
| Modulation | NRZ |
| CDR | TX & RX built-in CDR |
| Digital Diagnostics (DDM/DOM) | Supported |
| Max. Power Consumption | ≤ 2 W |
| Extinction Ratio | 4 dB |
| Inbuilt FEC | No |
| Protocols | IEEE 802.3ba, IEEE 802.3by/802.3cc, SFP28 MSA, SFF‑8431, SFF‑8432, SFF‑8472, CPRI, eCPRI |
| Packaging | BOX Packaging |
| Operating Temperature | 0 to 70°C (32 to 158°F) |
| Warranty | 5 Years |
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