Understandin the difference between single mode and multi mode fiber is crucial for ensuring compatibilty and optimizing your network performance. So all PCs connected to each switch would reach the LAN/WAN from the other switch. (attached is the image here with) I see that the 2960 has 2 SFP ports each port of each switch. In this article, we'll explain how to connect multiple Ethernet switches using fiber optic cables and the equipment required for this to work. Most modern SFP transceiver modules. Most modern fiber-enabled network switches require an SFP transceiver module featuring a duplex (two strand) multimode OM3 or duplex single mode OS2 connection with LC connectors. Direct attach cables with pre-terminated SFP connections may also be used.
