25G/100G Spine-Leaf Network Architecture
In cloud and hyper-scale data centres, the Leaf-Spine network can create a fast, predictable, horizontal scalable, and efficient communication architecture for data centre switches.

100GBASE-SL4 QSFP28 4 x 25G NRZ 850nm 30m MPO-12/UPC MMF Transceiver Module for FS Switches, Product Specification:Part Number - QSFP-SL4-100G, Vendor Name - FS, Form Factor - QSFP28, Max Data Rate - 103.125Gbps (4x 25.78Gbps), Wavelength - 850nm, Max Cable Distance - 20m@OM3/30m@OM4
| Part Number | QSFP-SL4-100G |
| Vendor Name | FS |
| Form Factor | QSFP28 |
| Max Data Rate | 103.125Gbps (4x 25.78Gbps) |
| Wavelength | 850nm |
| Max Cable Distance | 20m@OM3/30m@OM4 |
| Connector | MPO-12 |
| Media | MMF |
| Transmitter Type | VCSEL |
| Receiver Type | PIN |
| TX Power | -8.4~2.4dBm |
| Minimum Receiver Power | -10.3dBm |
| Power Budget | 1.9dBm |
| Receiver Overload | 2.4dBm |
| Max Power Consumption | ≤2.5W |
| Extinction Ratio | >2dB |
| 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 |
| Inbuilt FEC | Yes |
| Packaging Technology<br/> | COB Packaging<br/> |
| Core Size | 9um/125um |
| Protocols | IEEE 802.3bm |
| Warranty | 5 Years |
In cloud and hyper-scale data centres, the Leaf-Spine network can create a fast, predictable, horizontal scalable, and efficient communication architecture for data centre switches.
Both 8-core and 12-core MPO trunk cables can be used for 100G cost-effective solutions of 20m over OM3 or 30m over OM4 as it is built-in MTP/MPO-12 connector.
With built-in Macom Chip and equipped with individually designed COB 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>.