Cisco SFP-25G-ER-S Compatible 25GBASE-ER SFP28 Optical Transceiver Module operates at a data rate of 25Gbps using G.652 single-mode fiber with a wavelength of 1310nm and has a duplex LC interface. It has a transmission distance of up to 30km and can reach up to 40km with FEC. The module follows the SFP28 MSA, CPRI, and eCPRI compliant standards and provides Digital Diagnostic Monitoring (DDM) to track optical performance in real time. It is compatible with Cisco SFP-25G-ER-S-I, Arista SFP-25G-ER-I, Mellanox SFP28-25GER-31-I, and Brocade 25G-SFP28-ER-I to provide 25G Ethernet, telecom, and data center connectivity.
Specifications
| Item | Specification |
| Brand | BYXGD |
| Form Factor | SFP28 |
| Interface Connector | Duplex LC/UPC |
| Media / Fiber Type | SMF, G.652 core |
| Application | 25G Ethernet; CPRI; eCPRI |
| Max Data Rate | 25.78 Gbps |
| Wavelength | 1310 nm |
| Max Distance | 30 km |
| Transmitter Type | DML 1310 nm |
| Receiver Type | APD |
| TX Optical Power | 0 to +6 dBm |
| Receiver Sensitivity | < -19 dBm |
| Receiver Overload | -4 dBm |
| Extinction Ratio | ≥ 4 dB |
| Link Power Budget | 19 dB |
| CDR | TX and RX |
| Electrical Modulation | 25.78 Gb/s NRZ |
| Optical Modulation | 25.78 Gb/s NRZ |
| FEC (Module) | Not supported |
| DDM/DOM | Supported |
| Standards Compliance | SFP28 MSA; SFF‑8431; SFF‑8432; SFF‑8472; CPRI; eCPRI |
| Regulatory | RoHS; CE; REACH |
| Power Consumption | ≤ 1.5 W (typ.); ≤ 2.2 W (max) |
| Case Operating Temp | 0 to 70 °C (32 to 158 °F) |
| Storage Temperature | -40 to 85 °C (-40 to 185 °F) |
| Operating Humidity | 5% to 85% non‑condensing |
| Storage Humidity | 5% to 95% non‑condensing |
| Packaging Technology | BOX Packaging |
| Dimensions (L×W×H) | 56.7 × 13.9 × 8.5 mm |
| Shipping Weight | 0.035 kg |
| Warranty | 5 Years |
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