1. 25G SFP28 10km (LR). https://www.fs.com/products/87017.html. 25G SFP28 10km (LR). https://www.fs.com/products/87017.html.
2. 25G SFP28 140km (ER). https://www.fs.com/products/100085.html. 25G SFP28 140km (ER). https://www.fs.com/products/100085.html.
3. Available QSFP-DD. https://zebracable.com/products/400gbase-lr8-qsfp-dd-1310nm-10km-dom-transceiver-module?variant=33387770773636¤cy=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic. Available QSFP-DD. https://zebracable.com/products/400gbase-lr8-qsfp-dd-1310nm-10km-dom-transceiver-module?variant=33387770773636¤cy=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic.
4. Cisco 10GBASE SFP+ modules. http://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/data_sheet_c78-455693.pdf. Cisco 10GBASE SFP+ modules. http://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/data_sheet_c78-455693.pdf.
5. Data Acquisition Device (DAQ). https://www.mccdaq.com/usb-data-acquisition/USB-1608G.aspx. Data Acquisition Device (DAQ). https://www.mccdaq.com/usb-data-acquisition/USB-1608G.aspx.