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SFP-10G-BX-D40-C
10GBASE-BXD SFP+ Module SMF 40KM Cisco Compatible
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SFP-10G-BX-D40-C is a high-performance SFP+ transceiver module that supports 10G data rates and is designed for extended-range applications over single-mode fiber. It features LC connectors and utilizes bidirectional transmission techniques to achieve up to 40 km reach, making it ideal for inter-building connectivity, metro networks, and long-haul telecommunications.
SFP-10G-BX-D40-C is optimized for Ethernet networks and is built in a compact SFP form factor that fits into standard hot-pluggable network equipment. Its robust design and precise engineering make it a reliable choice for data center interconnects, enterprise backbones, and carrier-grade applications where high bandwidth and extended reach are required.
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| SFP-10G-BX-D40-C |  SFP-10G-BX40D-I-C |  DWDM-SFP10G-4214-ER-C |  DWDM-SFP10G-3661-ER-C |  SFP-10G-SR-X-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP | SFP | SFP+ | SFP+ |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1310 nm / 1490 nm | 1550 ±3 nm | 1550 nm | 850 nm |
| Transmission Distance | Extended-Range | Long-Range | Extended-Range | Extended-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Multi-mode |
| Max Distance | 40 km | 40 km | 80 km | 80 km | 300 m (OM3) / 400 m (OM4) |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | 10G Ethernet |
| Network Interface | Ethernet | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | N/A | 3.5 W | 1.5 W | N/A | N/A |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | N/A | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco |
| Product Name | SFP-10G-BX-D40-C | SFP-10G-BX40D-I-C | DWDM-SFP10G-4214-ER-C | DWDM-SFP10G-3661-ER-C | SFP-10G-SR-X-C |
| Height | N/A | 0.29 inches | 0.65 inches | N/A | N/A |
| Width | N/A | 0.55 inches | 0.65 inches | N/A | N/A |
| Depth | N/A | 0.26 inches | 1.4 inches | N/A | N/A |
| Weight | N/A | 0.1 lbs | 0.1 lbs | N/A | N/A |
Impressive 40km BiDi reach. Strong signal levels over single fiber. Perfect for inter-city 10G transport and backbone.
Reliable downstream 40km signaling. Our Cisco gear identified these instantly. High uptime and robust signal integrity.
Professional long-range BiDi. Stable 10G throughput and wavelength precision. Excellent choice for expanding regional network capacity.
Consistent performance at 40km. These modules provide a clean signal and zero packet loss. Very trustworthy optics.
Top-tier 40km optics. Performance is rock-solid and installation was seamless. Great value for high-capacity long-distance links.
Exceptional power margins for 40km spans. Reliable and robust build quality. Perfect for single-strand regional transport.
The SFP-10G-BX-D40-C is a Cisco-compatible 10GBASE-BX-D SFP+ transceiver designed for single-mode fiber (SMF) links up to 40 km.
Yes. The SFP-10G-BX-D40-C is fully Cisco-compatible and interoperable with all major Cisco Catalyst and Nexus series switches supporting 10G SFP+ ports.
This module supports single-mode fiber transmission up to 40 km (25 miles) at 9.95–10.3 Gbps.
The module uses standard single-mode fiber (SMF, ITU-G.652) for long-reach 10 Gigabit Ethernet links.
It transmits at 1271 nm (downstream) and receives at 1331 nm (upstream) for bi-directional communication over one SMF strand.
It is housed in a hot-pluggable SFP+ (Small Form-Factor Pluggable Plus) module, measuring 13.4 × 8.5 × 56.5 mm.
Yes. It supports SFF-8472 DOM for real-time monitoring of optical power, temperature, voltage, and laser bias current.
The module consumes less than 1W (typical 0.75W), ensuring energy-efficient 10 Gbps performance.
It operates reliably from 0 °C to 70 °C (standard commercial) or –40 °C to 85 °C (industrial) depending on the model variant.
Simply insert the module into a compatible SFP+ port until it latches, then connect SMF patch cords—no drivers required.
Yes. Its bidirectional (BiDi) design uses two wavelengths on a single SMF strand, reducing fiber cabling needs.
The SFP-10G-BX-D40-C has an MTBF exceeding 1 million hours, guaranteeing high reliability in enterprise networks.
Yes. It supports hot-plug insertion and removal without powering down the host system.
Check DOM readings for optical power, verify correct wavelength orientation, inspect fiber cleanliness, and confirm port settings.
This module includes a lifetime replacement warranty and lifetime technical support when purchased from authorized distributors.