AddOn 100GBase/OTU4/128G FC CWDM4 QSFP28 Transceiver (SMF, 1310nm, 2km, LC, DOM, TAA)

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Add-OnSKU: QSFP28-OTU4-CWDM4-AO
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Description

The AddOn QSFP28-OTU4-CWDM4-AO is a high-performance, MSA-compliant optical transceiver designed to deliver 100GBase-CWDM4, OTU4, and 128G Fibre Channel connectivity over single-mode fiber (SMF) up to 2 km. Operating across CWDM wavelengths from 1270 nm to 1330 nm, this module uses a duplex LC connector and supports four lanes at 28.05 Gbps each, providing a total aggregate data rate of 100 Gbps.

Ideal for high-capacity data center, metro, and enterprise network applications, this hot-pluggable transceiver includes Digital Optical Monitoring (DOM) for real-time performance diagnostics and monitoring. It meets IEEE 802.3ba, QSFP28 MSA, and OTU4 standards, is fully RoHS compliant, TAA compliant, and backed by AddOn’s limited lifetime warranty.

Engineered for reliability and seamless interoperability, the QSFP28-OTU4-CWDM4-AO ensures consistent performance in demanding environments, offering superior ESD protection, low EMI, and optimized power efficiency for next-generation high-speed networks.

Specification Details
Manufacturer AddOn
Part Number QSFP28-OTU4-CWDM4-AO
Form Factor QSFP28
Data Rate 100 Gbps (4 × 28.05 Gbps lanes)
Supported Protocols 100G Ethernet, OTU4, 128G Fibre Channel
Reach / Distance Up to 2 km
Wavelength Range 1270 nm – 1330 nm (CWDM4)
Connector Type Duplex LC
Fiber Type Single-Mode Fiber (SMF)
Optical Power (per lane) -4.5 dBm to +2.5 dBm
Receiver Sensitivity ≤ -9 dBm
Overload Power +2.5 dBm
Extinction Ratio ≥ 3.5 dB
Digital Optical Monitoring (DOM) Supported
Operating Case Temperature 0 °C to +70 °C
Storage Temperature -40 °C to +85 °C
Power Dissipation ≤ 3.5 W
Supply Voltage 3.3 V
Connector Compliance QSFP28 MSA
Compliance Standards IEEE 802.3ba, OTU4, RoHS, TAA
Applications Ethernet over CWDM, Metro, Access, Enterprise
Warranty Limited Lifetime Warranty

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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