100BASE-FX single-mode and multi-mode

First my assumptions (possibly wrong): 100BASE-FX -> Multi-mode fiber 100BASE-LX -> Single-mode fiber In fact, if I check some online information from CISCO regarding SFPs, it confirms my assumptions: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/fast-ethernet-sfp-modules/product_data_sheet0900aecd801f931c.html But the situation is that I found some products on the web that are designed for single-mode fiber but they use the 100BASE-FX designation. Is…

Details