Fortinet FortiTester 100F Network Testing Device - Network Testing, Network Security Management, Twisted Pair Cable Testing, Fiber Optic Cable Testing - USB - 2 x Network (RJ-45) - 4 Number of Total Expansion Slot(s) - SFP, SFP+ - 4 Number of SFP Slot(s) - Twisted Pair, Optical Fiber - Gigabit Ethernet, 10 Gigabit Ethernet - 1000Base-X, 1000Base-T, 10GBase-X: