AT-CV1KSS Media Blade SFP to SFP 1000X SFP to 1000X SFP Converteon™ line card The AT-CV1KSS has two 1000X SFP ports that can support both copper and fiber optic SFPs. Either of these ports can be populated with: » Multimode fiber SFP module, capable of a maximum operating distance of 2km (1.24 miles). » Single-mode, dual fiber SFP module, capable of a maximum operating distance of 80km (49.7 miles). » Single-mode, single fiber SFP module, capable of maximum operating distance of 10km (6.2 miles). » Copper SFP module, capable of a maximum operating distance of 100 meters (328 feet) at 1Gbps speeds only.