{HEAD ~ The Keyboard Video Mouse switch} comprises a network port, a second interface, at least one first interface, {TAIL ~ a switch device} and an Ethernet hub 
comprises
{ HEAD ~ The Keyboard Video Mouse switch } comprises a network port , a second interface , at least one first interface , { TAIL ~ a switch device } and an Ethernet hub
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH