Cisco SFP-25GBX-D-10 Compatible 25GBASE-D SFP28 BiDi transceiver provides transmission speeds of 25.78125 Gb/s over OS2 single-mode fiber (SMF) up to 10 km using 1330 nm on the Transmit (TX) side and 1270 nm on the Receive (RX) side on a simplex LC/UPC interface. The transceiver is equipped with a Distributed Feedback (DFB) laser transmitter and a Photodetector-Induced Circuit (PIN) laser receiver while utilizing Non-return to Zero (NRZ) modulation. The transceiver supports Digital Optical Monitoring (DOM)/Digital Diagnostics Monitoring (DDM) to enable real-time diagnostics of transceiver performance. The transceiver operates off a 3.3V power rail and has a typical power consumption of ≤1.0 W, with a maximum of ≤1.2 W.
This transceiver is packaged in a metal housing to decrease electromagnetic interference (EMI), and it is classified as a Class 1 laser. The transceiver is compliant with the Reduction of Hazardous Substances (RoHS) Directive and is lead-free. The transceiver supports the Institute of Electrical and Electronics Engineers (IEEE) 802.3cc standards for 25GBASE-BX and the SFP28 Multi-Source Agreement (MSA). Additional compliance standards include SFF-8472, SFF-8402, SFF-8431, and SFF-8432.
Designed to operate in single-fiber bidirectional links, the transceiver is ideal to maximize the use of fiber and system components in data center and campus aggregation and access networks. The module is hot-pluggable and supports Common Public Radio Interface (CPRI)/enhanced Common Public Radio Interface (eCPRI) transport as needed. The link partner will need to utilize a complementary wavelength. Supported models include Cisco SFP-25GBX-D-10, Huawei 25GBASE-BX-D, Juniper Networks SFP28-25G-BX, Arista Networks SFP-25G-BD, Mellanox SFP28-25G-BX, Brocade 25G-SFP28-BXD, Generic SFP-25GBX-D, and more.
Specifications
| Parameter | Specification |
| Form Factor | SFP28, hot‑pluggable |
| Line Rate | 25.78125 Gb/s (NRZ) |
| Wavelengths | 1330 nm (TX) / 1270 nm (RX) |
| Fiber/Cable | OS2 SMF, single strand (BiDi) |
| Connector | Simplex LC/UPC |
| Max Distance | 10 km |
| Transmitter | DFB BiDi |
| Receiver | PIN |
| TX Optical Power | -5 to +2 dBm or -2 to +4 dBm |
| Receiver Sensitivity | < -18 dBm or < -13 dBm |
| Receiver Overload | > 0.5 dBm or up to +2 dBm |
| Power Budget | Up to 11 dB (profile dependent) |
| Extinction Ratio | ≥ 3.5 dB |
| Power Supply | Single 3.3 V |
| Max Power Consumption | ≤ 1.2 W |
| CDR | TX & RX built‑in CDR |
| FEC | Not in‑module (host FEC as needed) |
| DDM/DOM | Supported (real‑time monitoring) |
| BER | 1E‑12 (with appropriate host settings) |
| Operating Temp | 0 to 70°C (32 to 158°F) |
| Storage Temp | -40 to 85°C |
| EMC/Enclosure | Metal housing, low EMI |
| Safety/Compliance | Class 1 laser; RoHS; IEC/EN 61000‑4‑2; IEC‑60825; FDA 21CFR 1040.10/104.11 |
| Protocols/Standards | 25GBASE‑BX; SFP28 MSA; CPRI; eCPRI; SFF‑8472/8402/8431/8432 |
| Applications | 25GBASE‑BX Ethernet; CPRI Option 10; eCPRI fronthaul/backhaul |
| Weight | 0.03 kg |
| Warranty | 5 Years |
| Link Note | Requires complementary 1270 nm TX / 1330 nm RX partner at far end |
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