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SFP-10G-BX-U40-C
10GBASE-BXU SFP+ Module SMF 40KM Cisco Compatible
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SFP-10G-BX-U40-C is a 10G SFP transceiver module designed for bidirectional transmission over single-mode fiber. It features LC connectors, supports Ethernet protocols, and is optimized for long-range connectivity up to 40 km, making it ideal for data centers, enterprise networks, and telecom applications.
SFP-10G-BX-U40-C comes in a compact SFP form factor with dimensions specified in its official datasheet, ensuring easy integration into existing network infrastructures. Its design delivers reliable performance with precise wavelength allocation for transmit and receive functions, providing an efficient solution for high-speed optical communications.
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| SFP-10G-BX-U40-C |  SFP-10G-T-C |  SFP-10G-BX40D-I-C |  DWDM-SFP10G-3582-ER-C |  SFP-10G-BX-D60-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 | RJ45 | LC | LC | LC Duplex |
| Wavelength | Rx: 1310 nm, Tx: 1490 nm | N/A | 1310 nm / 1490 nm | 1310nm | 1270/1330 nm |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Extended-Range | Extended-Range |
| Fiber Type | Single-mode | N/A | Single-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 100 meters | 40 km | 40 km | 60 km |
| Supported Protocols | Ethernet | 10GBASE-T Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Ethernet | Fiber | Fiber | Fiber |
| Power Consumption | N/A | 4.0W | 3.5 W | 2.8W | 3.5W |
| 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 | Cisco / Juniper / Huawei / Arista | Cisco | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | SFP-10G-BX-U40-C | SFP-10G-T-C 10GBASE-T SFP+ Transceiver | SFP-10G-BX40D-I-C | DWDM-SFP10G-3582-ER-C | SFP-10G-BX-D60-C |
| Height | N/A | N/A | 0.29 inches | 0.65 inches | 0.96 inches |
| Width | N/A | N/A | 0.55 inches | 1.00 inches | 1.27 inches |
| Depth | N/A | N/A | 0.26 inches | 1.50 inches | 0.50 inches |
| Weight | N/A | N/A | 0.1 lbs | 0.25 lbs | 0.20 lbs |
Reliable 40km upstream signaling. Flawless compatibility with Cisco routers. Stable 10G link over long single-fiber distances.
Excellent 40km BiDi performance. Strong signal integrity and robust construction. A cost-effective solution for regional connectivity.
Professional grade long-range optics. Consistent power levels and zero errors over 40km. Highly recommended for backhaul expansion.
Solid build and dependable performance. These 40km BXU modules work perfectly with their counterparts. Very satisfied.
Steady signaling and immediate recognition. Doubled our fiber efficiency on 40km routes effortlessly. Outstanding quality and value.
Reliable 10G throughput over 40km. Performance matches expensive OEM parts. Clean signal and easy deployment for enterprise.
The SFP-10G-BX-U40-C is a Cisco-compatible 10GBASE-BX-U SFP+ transceiver module designed for single-mode fiber, supporting up to 40 kilometers over a single fiber strand.
This module works with any SFP+ slot in Cisco switches and routers, as well as third-party equipment that accepts Cisco-style 10GBASE-BX-U transceivers.
The module supports single-mode fiber links up to 40 kilometers (25 miles) using ITU-T G.652 or G.657 compliant fiber.
It uses a bidirectional 10 Gigabit signal at 1271 nm for transmit and 1331 nm for receive on a single fiber strand.
Yes, the SFP-10G-BX-U40-C is fully hot-swappable, allowing insertion or removal without powering down your network device.
You need single-mode fiber (9/125 µm) with LC duplex connectors; only one fiber strand carries both transmit and receive signals via bidirectional optics.
Simply slide the module into an available SFP+ port until it clicks, then connect an LC-terminated single-mode fiber patch cable.
Yes, it features DDM (also known as DOM) for real-time monitoring of optical power, temperature, and module voltage.
It operates reliably between 0 °C and 70 °C (32 °F to 158 °F) for standard commercial environments.
While not Cisco-branded, it is fully tested and qualified for Cisco equipment, ensuring 100% compatibility and support.
The module offers an MTBF of over 1,000,000 hours, meeting industry standards for reliability in data center and campus networks.
Yes, it works in any SFP+ port that accepts Cisco-style transceivers, including switches and routers from Arista, Juniper, Dell, HP, and more.
Use your device’s SFP+ diagnostics command (e.g., 'show interface transceiver detail') to check optical power, temperature, and link status.
The module consumes less than 1 W (typically 0.8 W), minimizing power draw in high-density installations.
10GBASE-BX-U supports long-reach, single-fiber bidirectional links, reducing cabling costs and enabling flexible network topologies.
No, the SFP-10G-BX-U40-C is a coarse wavelength bidirectional module and is not designed for dense WDM (DWDM) channel spacing.