Cisco Fiber Optic Module SFP-10G-BX40D-I
Details:
- Fiber Type SMF
- Wavelengths: Transmits at 1330 nm & Receives at 1270 nm
- Max Distance: Up to 40 km
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Cisco Fiber Optic Module SFP-10G-BX40D-I:
The Cisco SFP-10G-BX40D-I is a 10 Gigabit Ethernet SFP+ transceiver designed for long-distance, single-fiber, bidirectional (BiDi) communication over single-mode fiber (SMF). Operating at industrial temperatures, it’s suitable for applications requiring reliable, high-speed connectivity over extended distances.
The SFP-10G-BX40D-I utilizes bidirectional (BiDi) technology, enabling 10Gbps data transmission and reception over a single strand of SMF. This is achieved by using different wavelengths for transmitting and receiving signals: 1330 nm for transmission and 1270 nm for reception. This approach effectively doubles the capacity of existing fiber infrastructure, reducing the need for additional cabling.
This module is compatible with various Cisco networking equipment, including switches, routers, and network interface cards (NICs). It’s also interoperable with other SFP+ modules that support BiDi technology, provided they match the corresponding wavelengths.
The Cisco SFP-10G-BX40D-I is a high-performance, industrial-grade transceiver module that offers reliable 10Gbps connectivity over long distances using a single fiber strand. Its BiDi technology and wide compatibility make it a cost-effective solution for expanding network infrastructure without the need for additional cabling.
This module designed by Cisco company and you can buy it in network equipment market with 1-year Atech warranty. If you want to know more about network module specially cisco fiber optical module, you can contact us.

Uses of Cisco Fiber Optic Module SFP-10G-BX40D-I:
- Data Centers: Ideal for connecting servers and switches over long distances within data centers.
- Enterprise Networks: Suitable for linking network equipment across large enterprise campuses.
- Service Providers: Useful for extending network reach without the need for additional fiber installation.
Technical Specifications of Cisco Fiber Optic Module SFP-10G-BX40D-I:
- Data Rate: 10.3125Gbps
- Wavelengths: Transmits at 1330 nm & Receives at 1270 nm
- Max Distance: Up to 40 km over SMF
- Connector: Simplex LC
- Temperature Range: -40°C to 85°C (industrial grade)
- Digital Optical Monitoring (DOM): Supported for real-time diagnostics
- Compliance: MSA compliant, RoHS compliant, and lead-free
- Form Factor: SFP+
- Interface Type: BX (Bidirectional)
- Cable Type: Single-Mode Fiber (SMF)
- Hot-Swappable: Yes
- Dimension: 0.85×1.34×5.65cm
- Weight: 0.075kg
Other Recommended:
| Fiber Type | SMF |
|---|---|
| Data Transfer Rate | 10.3125Gbps |
| Wavelength | Transmits at 1330 nm & Receives at 1270 nm |
| Maximum Distance | 40km |
| Connector | Simplex LC |
| Temperature Range | -40°C to 85°C |
| Dimension | 0.85×1.34×5.65cm |
| Weight | 0.075kg |
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