Amazon.com: 2 x Open SFP Slot + 4 x UTP Cat5e/Cat6 10/100/1000 Copper Ports - Gigabit Ethernet - Fiber Media Converter - Mini Switch - AutoSensing - SFP Slot Supporting Any Mini GBIC/SFP Gigabit Type : Electronics
Amazon.com: 1.25G Single Mode SFP LC Module for Cisco GLC-LH-SMD, 1000Base-LX/LH Mini GBIC, Gigabit SFP, 1310nm SMF, up to 20km, for Cisco, Meraki,Ubiquiti UF-SM-1G,TP-Link TL-SM311LS and More, 2-Pack : Electronics