Generic SFP-10G-BX40-D Compatible 10GBASE-BX SFP+ BiDi Transceiver (SMF, 1330nm-TX/1270nm-RX, 40km, LC, DOM)
This Generic SFP-10G-BX40-D compatible SFP+ BiDi transceiver supports 10GBASE-BX throughput up to 40km over a single strand of single-mode fiber (SMF). Unlike the regular SFP+, this 10G BiDi ER transceiver integrates a DFB transmitter and PIN receiver into a simplex LC interface. By utilizing the WDM technology, it can transmit a 1330nm wavelength and receive a 1270nm signal simultaneously on the same fiber. This design effectively doubles transmission capacity without requiring new fibers, thereby simplifying the fiber cabling infrastructure and reducing network infrastructure costs. As a third-party supplier, OPTCORE provides 10GBASE-BX SFP+ BiDi ER at a very affordable price when compared to the original SFP-10G-BX40-D. Each transceiver has been coded and passes the test with the 10G SFP+ port of Generic network switches, routers, servers, and network interface cards (NICs). Please note that this SFP+ BiDi module must be used in matched pairs with another complementary wavelength.
Features

Proven Performance
When performance and reliability are vital, use our 10G SFP+ BiDi module to build your network. OPTCORE transceivers are engineered, produced, and tested in-factory for reliable end-to-end quality.

Proven Compatibility
There’s an easy way to verify compatibility: test in real network devices. The OPTCORE 10G SFP+ BiDi module is tested for compatibility with multi-switch devices to ensure flawless functioning.

Enjoy Massive Saving
Compared to the original transceiver, the OPTCORE 10G SFP+ BiDi module can save you up to 80% on project and optical networking cabling. You won't find a better combination of quality and affordability.
Specifications
Compatible OEM Part# | SFP-10G-BX40-D | Manufacturer | OPTCORE |
Manufacturer Part# | OPB10G-3240DCR | Form Factor | SFP+ BiDi |
Data Rate | 10 Gbps | Wavelength | 1330nm-TX/1270nm-RX |
Media Type | SMF | Max Distance | 40 km |
Transmitter Type | DFB | Receiver Type | PIN |
Transmitter Power | 0 ~ 5 dBm | Receiver Sensitivity | < -15 dBm |
Extinction Ratio | > 3.5 dB | Receiver Overload | > 0.5 dBm |
Connector | LC Simplex | Power Consumption | 1.2 W |
DDM/DOM | Yes | Compliance | RoHS, CE, REACH SFP+ MSA, IEEE 802.3ae SFF-8431, SFF-8432, SFF-8472 |
Environment | Operating Temperature: 0~70°C Storage Temperature: -40~85°C |
Application | 10GBase-ER/10GBase-EW Ethernet 10G fiber channel 10G data center switches and routers 10G network interface cards 10G fiber media converters |
Shipping Weight | 0.03 kg | Dimensions (LxWxH) | 56.7×13.7×8.5 mm |
When using this 10G SFP+ BiDi ER transceiver in short-distance transmission, please add an LC fiber attenuator (≥5dB) to avoid receiver damage and overload.
Application Diagram











Key Features
Double Network Capacity without New Fiber Deployment
The regular transceiver requires two fibers to accomplish communications, while the BiDi SFP+ can communicate over just one fiber strand. By switching to a BiDi transceiver, you can instantly double network throughput with the same fiber infrastructure and finally save 50% on fiber deployment costs.
Intelligent DOM/DDM for Smart Networks
With built-in Digital Optical Monitoring function, the 10G SFP+ BiDi 40km module allows users to monitor the fiber link operating parameters in real-time. That ensures a reliable optical network and helps locate network problems quickly.
Optimal Performance and Quality for 10G Networks
Featuring a built-in Semtec/Macom chip and reliable BOSA with integrated DFB laser + PIN receiver, the BiDi SFP+ 40km module delivers low power consumption (≤1.2W)and stable optical links for 10G Bidirectional networks like 10G Ethernet and Fibre Channel. You can rest assured regarding quality and warranty.
Compatibility
- 10 Gigabit Ethernet Switches
- 10 Gigabit PoE Ethernet Switches
- 10 Gigabit Ethernet Routers
- 10 Gigabit Ethernet Firewalls
- 10 Gigabit Network Interface Card (10G NIC)
- 10 Gigabit Fiber Media Converters
- 10 Gigabit Fiber Mode Converters
- 10 Gigabit Network Attached Storage (NAS)
- 10G SAN Switches
- 10G WiFi System with SFP+ Port
- 10G SFP+ WiFi Router
Note: All trademarks, products, and company names mentioned are the property of their respective owners and are used for comparative purposes only. This product is NOT certified or endorsed by Generic.
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