ARK-3383 User Manual x2.2.5 Audio Connector........................................................... 13Table 2.3 Line_In connector................................... 13Table 2.4 Speaker_Out connector........................... 13Table 2.5 Mic_In connector.................................... 132.2.6 Ethernet Connector: LAN2........................................... 13Figure 2.5 Ethernet Connector ................................. 13Table 2.6 RJ-45 Connector pin assignments .......... 132.2.7 COM2 Connector: RS-232/422/485 port...................... 14Table 2.7 ARK-3383 COM2 RS-232/422/485 SettingTable..................................................... 14Figure 2.6 COM2 Connector ................................... 142.3 DIO Connector ................................................................ 15Figure 2.7 DIO connector ........................................ 15Table 2.8 DIO ......................................................... 152.4 ARK-3383 rear face plate external I/O connectors......... 152.4.1 Power Input Connector ................................................. 15Figure 2.8 Power Input Connector........................... 15Table 2.9 Power connector pin assignments........... 152.4.2 USB Connectors (USB0 ~ USB6) ................................ 16Figure 2.9 USB connector........................................ 16Table 2.10 USB Connector....................................... 162.4.3 VGA Connector ............................................................ 16Figure 2.10 VGA connector....................................... 16Table 2.11 VGA adaptor cable pin assignment ........ 172.4.4 PS/2 Keyboard/Mouse Connector ................................ 17Figure 2.11 P/S2 connector........................................ 17Table 2.12 PS/2 Keyboard/Mouse connector pin as-signments ............................................. 172.4.5 Ethernet Connector: LAN 1.......................................... 18Figure 2.12 Ethernet Connector ................................. 18Table 2.13 RJ-45 Connector pin assignments .......... 182.4.6 Reset Button.................................................................. 182.4.7 COM 1 Connector: Standard RS-232 port.................... 19Figure 2.13 COM 1 Connector .................................. 19Table 2.14 COM1 Serial port pin assignments......... 192.4.8 COM 3 Connector: RS-232/422/485 port..................... 20Figure 2.14 COM3 Connector ................................... 202.4.9 COM 4 Connector: RS-232/422/485 port..................... 20Figure 2.15 COM 4 Connector .................................. 20Chapter 3 Hardware Installation and Upgrade ............223.1 Jumpers and Connectors.................................................. 223.2 Setting jumpers................................................................ 223.3 COM 2 RS-232/422/485 Jumper setting (J3/J4/J5 Locatedon internal motherboard)................................................. 23Table 3.1 COM 2 RS-232/422/485 Jumper Select . 23