... Price 5.2* LAN,WIFI ZC-M271 With 2 Lan Computer,4*USB 2.0,2*RJ45, 1*VGA,1*LPT,2 ... be back of the Monitor9.With 2*RJ45 LAN Port,1*VGA,1*LPT,2*RS-232,4*USB.ZC- ... 2.0,1*SPK , 1*MIC, 1*PS2,1*VGA with 15 needles,1*LPT with 25 needles,2*RS ... -232 Port with 9 needles,2*RJ 45 LAN Port,1*DCIN PortOS SupportingALL Windows XP,Windows 2000, ... Monitor ZC-M271 With 2 Lan Computer,4*USB 2.0,2*RJ45,1*VGA,1*LPT,2*RS-232, ...