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10G 10GBASE-BX BiDi WDM Optical SFP+ Module for Single-Mode Fiber, LC, 20 km, TX1330/RX1270 nm, DOM
The 10G 10GBASE-BX BiDi WDM optical SFP+ module is designed for data transmission at speeds of up to 10 Gbps over a single single-mode optical fiber. Thanks to BiDi WDM (Bidirectional Wavelength Division Multiplexing) technology, transmission and reception are performed over one fiber using different wavelengths.
The module operates at TX1330 nm / RX1270 nm, features an LC Simplex optical connector, and supports transmission distances of up to 20 km. For proper operation, it must be paired with a compatible TX1270/RX1330 nm module.
DOM (Digital Optical Monitoring) support allows monitoring of the transceiver's operating parameters through compatible networking equipment, simplifying diagnostics and maintenance.
Main Advantages
- Up to 10 Gbps data rate — supports 10 Gigabit Ethernet.
- BiDi WDM technology — transmission and reception over a single optical fiber.
- Up to 20 km transmission distance.
- Single-mode fiber (SM) support.
- LC Simplex connector.
- TX1330/RX1270 nm wavelengths.
- DOM support for digital diagnostics.
How BiDi WDM Works
Unlike traditional dual-fiber links, BiDi WDM enables simultaneous transmission and reception over a single optical fiber.
- Transmit (TX) — 1330 nm.
- Receive (RX) — 1270 nm.
A complementary TX1270/RX1330 nm module must be installed at the opposite end of the link.
DOM Function
DOM provides real-time monitoring of:
- module temperature;
- supply voltage;
- laser bias current;
- transmit optical power;
- receive optical power.
Applications
- 10 Gigabit Ethernet networks;
- backbone fiber links;
- switch-to-switch connections;
- enterprise networks;
- data centers;
- server rooms;
- telecommunication networks;
- high-bandwidth IP surveillance systems.
Technical Specifications
| Device Type | Optical SFP+ Module |
| Form Factor | SFP+ |
| Standard | 10GBASE-BX BiDi WDM |
| Data Rate | 10 Gbps |
| Fiber Type | Single-mode (SM) |
| Fiber Count | 1 |
| Connector | LC Simplex |
| Transmit Wavelength | 1330 nm |
| Receive Wavelength | 1270 nm |
| Maximum Distance | Up to 20 km |
| DOM Support | Yes |
Installation
- Install the module into a compatible 10G SFP+ port.
- Connect a single-mode LC Simplex fiber patch cord.
- Install the complementary TX1270/RX1330 nm module at the remote end.
- Verify the LINK indicator and DOM parameters.
Frequently Asked Questions
Which module is required at the opposite end?
A compatible TX1270/RX1330 nm 10GBASE-BX BiDi SFP+ module.
Can two TX1330/RX1270 modules be connected together?
No. BiDi modules must always be used as complementary wavelength pairs.
How many fibers are required?
Only one single-mode optical fiber is required.
Which connector is used?
The module features an LC Simplex optical connector.
What is DOM used for?
DOM provides real-time monitoring of the transceiver's operating status and optical signal levels.
Will the module always achieve a 20 km distance?
Actual transmission distance depends on fiber quality, connector condition, splice loss, total link attenuation, and the equipment used at both ends.
The 10G 10GBASE-BX BiDi WDM Optical SFP+ Module, LC, 20 km, TX1330/RX1270 nm, DOM is an efficient solution for building high-speed 10 Gigabit optical links over a single single-mode fiber while providing reliable performance and easy diagnostics through DOM.