10G Tunable DWDM SFP+ 80km C-Band Transceiver: DWDM-10G-SFP-80-TUN

The EDGEOPTIC DWDM-10G-SFP-80-TUN is a multi-vendor compatible tunable 10G DWDM SFP+ dual-fiber optical module for long-haul dense wavelength division multiplexing applications with software-configurable wavelength selection over single-mode fiber. The module operates across ITU-T C-Band channels 17 through 61 on the 50 GHz DWDM grid, covering 89 channels with data rates from 1.25 to 11.32 Gbps across multiple protocol standards. This tunable DWDM SFP+ transceiver uses Monolithic MZM (Mach-Zehnder Modulator) Tunable TOSA technology for transmission and an APD (Avalanche Photodiode) receiver. The guaranteed optical link budget is 23 dB, which determines the maximum transmission distance. Over standard single-mode fiber, the transceiver reaches up to 80 km. Distance is an indicative parameter calculated based on minimum optical budget and average attenuation of optical cabling in the industry.

The DWDM-10G-SFP-80-TUN is a hot-pluggable SFP+ transceiver with duplex LC/UPC connectors as the optical interface. The electrical interface conforms to SFF-8431 MSA (Multi-Source Agreement) specifications and is compatible with standard SFP+ host systems across multiple vendor platforms. This tunable 10G DWDM SFP+ transceiver can be EEPROM-encoded to operate in 80+ brands of network equipment including Cisco, Juniper, Arista, Nokia, Huawei, and other major vendors. The module incorporates DDM/DOM (Digital Diagnostic Monitoring) functionality providing real-time monitoring of transmitted and received optical power levels, module temperature, bias current, and supply voltage via MSA-compatible EEPROM interface. The module operates within a 0–70 °C commercial temperature range.

The tunable wavelength capability of the DWDM-10G-SFP-80-TUN allows software-configurable channel selection across the full ITU-T C-Band DWDM grid. With 89 channels on the 50 GHz spacing, a single tunable SFP+ module can replace any of the 89 fixed-wavelength DWDM variants, simplifying spare inventory from dozens of SKUs to one. The configured wavelength is stored in non-volatile memory and persists through power cycles and reboots. Wavelength can be set via the host platform CLI on supported platforms or pre-programmed using an external wavelength tuning device before insertion. Refer to your vendor documentation for exact tuning CLI syntax.

Standards compliance includes IEEE 802.3ae for 10 Gigabit Ethernet and ITU-T G.694.1 for the DWDM wavelength grid, along with SDH/SONET, Fibre Channel, and OTN protocol support. The multi-rate capability accommodates legacy Gigabit Ethernet at 1.25 Gbps, 10G Fibre Channel at 10.52 Gbps, native 10 Gigabit Ethernet at 10.3125 Gbps, and OTN OTU2/OTU2e rates up to 11.32 Gbps. The transceiver is interoperable across vendors through MSA compliance, and equipment with vendor-specific module validation is supported through custom EEPROM programming. The DWDM-10G-SFP-80-TUN is CE/RoHS certified and compliant with Class 1 laser safety standards (IEC 60825-1).

Typical applications include metro and regional backbone links, inter-city data center interconnects, and service provider distribution networks over 80 km single-mode fiber. The 50 GHz channel spacing is backward-compatible with existing 100 GHz mux/demux equipment, as every 100 GHz channel center frequency is also present in the 50 GHz grid. The tunable optics approach reduces inventory costs for operators managing DWDM networks with many wavelengths, where a small number of tunable spares replaces a full set of fixed-wavelength modules.

EDGEOPTIC performs quality validation on every DWDM-10G-SFP-80-TUN unit before shipment, including optical parameter measurements, wavelength accuracy verification across the tuning range, and EEPROM data validation to confirm correct vendor-specific encoding.