Mach1040 Gigabit Ethernet switch is a 19-in. rack-mount Layer-2 switch with 16 front- or rear-facing Gigabit Ethernet RJ45/SFP combo ports. The small-form factor pluggable ports support 100 Mbps and Gigabit transceivers. The rear-facing option provides a cleaner look and restricts unauthorized access to the cabling. Four ports are available with power over Ethernet.