Interlogix S20-1SLC-B-20 SFP-Port Fast 1 Fiber Mini GBIC Module
Amazon.com: Cisco SG20050P 50 port Gigabit PoE Smart Switch (SLM2048PT) 24 Port and 24 Poe Ports with Additional 2 Combo Mini GBIC a Total of 50 Ports : Electronics
What Does Combo Port Mean for Ethernet Switch? | FS Community
WS-X6416-GBIC CISCO 16 PORT GIGABIT ETHERNET MODULE FOR CISCO CATALYST 6000 | eBay