Our 10G SFP+ BIDI 40km solution consists of two complementary optical modules: the 10G SFP+ BIDI 1330T/1270R 40km and the 10G SFP+ BIDI 1270T/1330R 40km.

This matched pair of 10G SFP+ Bidirectional (BIDI) optical transceivers provides an advanced, fiber-efficient solution for establishing full-duplex 10 Gigabit links over a single strand of standard single-mode fiber (SMF). The two modules operate as a complementary set: the 1330T/1270R model transmits at 1330nm and receives at 1270nm, while the 1270T/1330R model does the reverse. This intelligent wavelength pairing allows simultaneous two-way communication over one fiber, effectively doubling your existing fiber capacity and eliminating the need for costly new fiber runs for distances up to 40 kilometers.

Engineered for high performance and reliability, both modules feature integrated DFB lasers and precision WDM filters to ensure stable, low-crosstalk operation. They support data rates from 8.5 Gb/s to 11.3 Gb/s and include digital diagnostic monitoring (DDM) for real-time link management. With typical power dissipation under 1.5W and availability in Industrial, Extended, and Commercial temperature grades, this pair is the ideal, robust solution for maximizing infrastructure in fiber-scarce Metro/Access networks, 10GBASE-BX Ethernet links, and long-reach data center interconnects (DCI).

A: To prevent misplacement, we strongly recommend labeling during planning. You can designate the 1330T/1270R module as "End A" and the 1270T/1330R module as "End B," clearly marking them on the module labels or corresponding device ports (e.g., Site-A, Site-B). Physically, the modules look identical and are primarily distinguished by the model number on their labels.

Q: How do the 1330nm/1270nm wavelengths used in this pair compare to the common 1310nm/1550nm BIDI combination?

A: The 1310nm/1550nm pair is a classic, earlier standard. The 1330nm/1270nm pair operates in the "O-band" and is designed for optimal performance in standard single-mode fiber over 40km distances. It typically offers lower dispersion and attenuation characteristics in this range, providing a more stable and robust link with better power budget margins for long-haul transmission.

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