![Amazon.com: Cisco 891F Gigabit Ethernet Security Router with SFP Model C891F-K9 (Renewed) : Electronics Amazon.com: Cisco 891F Gigabit Ethernet Security Router with SFP Model C891F-K9 (Renewed) : Electronics](https://m.media-amazon.com/images/I/31gjR4k7iWL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Cisco 891F Gigabit Ethernet Security Router with SFP Model C891F-K9 (Renewed) : Electronics
![Amazon.com: Cisco 891 Gigabit Ethernet Security Router with SFP and 24-Ports Ethernet Switch : Electronics Amazon.com: Cisco 891 Gigabit Ethernet Security Router with SFP and 24-Ports Ethernet Switch : Electronics](https://m.media-amazon.com/images/I/71CWnEDHVxL.jpg)
Amazon.com: Cisco 891 Gigabit Ethernet Security Router with SFP and 24-Ports Ethernet Switch : Electronics
![How do you even damage a SFP port like that? This router was shipped new and no SFP modules ever used an this site. : r/techsupportgore How do you even damage a SFP port like that? This router was shipped new and no SFP modules ever used an this site. : r/techsupportgore](https://preview.redd.it/p8fv3od83c091.jpg?auto=webp&s=5bc11f4f9397335742e1d07698be46227dd4b3ca)
How do you even damage a SFP port like that? This router was shipped new and no SFP modules ever used an this site. : r/techsupportgore
![Cisco 891F Gigabit Ethernet Security Router with SFP - 11 Ports - Management Port - 1 Slots - - - Newegg.com Cisco 891F Gigabit Ethernet Security Router with SFP - 11 Ports - Management Port - 1 Slots - - - Newegg.com](https://c1.neweggimages.com/productimage/nb640/A389_1_2017062899815281.jpg)