100G Connectivity for Data Center and Telecom
With high-density and speed, the transceiver help you quickly ramp up to 100G transmission.

Allied Telesis QSFP28-LR4 compatible QSFP28 transceiver module is designed for use in 100Gb Ethernet links up to 10km in data centre, Telecom, service provider applications.
| Allied Telesis Compatible | QSFP28-LR4 |
| Vendor Name | FS |
| Form Factor | QSFP28 |
| Max. Data Rate | 103.125Gbps (4x 25.78Gbps) |
| Wavelength | 1310nm |
| Max. Cable Distance | 10km |
| Connector | Duplex LC/UPC |
| Media | SMF |
| Transmitter Type | 4 x LAN WDM EML |
| Receiver Type | PIN |
| TX Power | -4.3~4.5dBm |
| Minimum Receiver Power | -10.6dBm |
| Power Budget | 6.3dB |
| Receiver Overload | 4.5dBm |
| Max. Power Consumption | 3.5W |
| Extinction Ratio | >4dB |
| DDM/DOM | Supported |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Modulation (Electrical) | 4x 25G-NRZ |
| Modulation (Optical) | 4x 25G-NRZ |
| CDR (Clock and Data Recovery) | TX & RX Built-in CDR |
| Packaging Technology | BOX Packaging |
| MTBF | 8,340,283 Hours |
| Bit Error Ratio (BER) | 1E-12 |
| Protocols | QSFP28 MSA, SFF-8636, IEEE 802.3‑2012, PSM4 MSA, CAUI-4 |
| Warranty | 5 Years |
With high-density and speed, the transceiver help you quickly ramp up to 100G transmission.
With built-in Semtech Chip and equipped with individually designed BOX packaging, the QSFP28 transceiver offers high speed and low power in 100G links.
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations. Check compatibility with our <a href="/de-en/tool/compatibility-tool-h0026">Optics-to-Device Compatibility Tool</a>.<br/><br/>
Qualified through a rigorous process with advanced equipment to ensure you get high quality and reliable optics. Learn more at the <a href="/de-en/specials/optical-transceivers-test-bed-151.html" >Test Center</a>.
Reconfiguring transceivers online for multi-vendor compatibility, <a href="/de-en/products/156801.html">FS BOX</a> reduces inventory costs and improves flexibility.