Main Unit (Back)KX-VC1600A B C D FK M TON P Q R S UE G H I JLKX-VC1300A B C D FK M TON P Q RE G I JUCamera Control terminalNot used.RS-232C terminalNormally not used. Used to connect a computer for maintenance.USB jack (Page 136, Page 139)Used to connect a USB memory device for saving the operation log and for updating the software.MIC (Digital) jack (Page 27)Used to connect the Digital Boundary Microphone (optional) (Page 18).MIC (Analog) jack (Page 27)Used to connect the Analogue Boundary Microphone (optional) (Page 18).Audio In L/R jack (Page 28)Used to connect general-purpose microphones (not for the Boundary Microphone).Audio Out L/R jackUsed to connect an amplifier or active speaker (Page 32). Also used to connect the speakers of a displaywithout an HDMI terminal for audio output (Page 33).Component terminal (KX-VC1600 only) (Page 33)Used to connect to the display with a component video cable.Functional Earth terminalUsed to connect an earthing wire for when there is a lot of noise over the connection.Video SwitchUsed to set the unit’s video frequency. Sets the unit’s video frequency to be the same as the connecteddevice.LAN1 jack (Page 28)Connect a LAN cable.LAN2 jack (KX-VC1600 only) (Page 28)Connect a LAN cable (Used when connecting to a network other than LAN1).RGB terminal (Page 31)Used to connect a computer for sending screens to participants.20 User Manual Document Version 2015-12Preparation