20Rear viewq Power cord inlet [AC IN]Connect the provided power cord to this inlet. Thepower plug of the recorder is 2-prong plug equippedwith a grounding terminal.w Mouse connection port [MOUSE]The provided mouse is connected to this port.e Video output connector (BNC) [VIDEO OUT]Connect a sub monitor (BNC) to this connector. Sameimages output from the sub monitor output connector(HDMI) will be output from this connector.r Audio output connector (RCA pin jack)[AUDIO OUT]Connect such device as a powered speaker. Sameaudio output to the main monitor will be output from thisconnector.t Alarm/Control connector (D-sub 25-pin)[ALARM/CONTROL]Connect a control switch to control the recorder usingan external device such as a sensor or a door switch oran external alarm device such as a buzzer or a lamp.y Expansion connector [EXT STORAGE 1/2]Connect the optional extension unit (WJ-HDE400) to thisconnector using the dedicated connection cable pro-vided with the extension unit.u Network port (PC port) [PC]Connect the recorder with a PC via a network compati-ble with 10BASE-T, 100BASE-TX or 1000BASE-T. Usethis port when the cameras and the PC are connectedto different network.i Network port (Camera/PC port) [CAMERA/PC]Connect the recorder with a PC and cameras via a net-work compatible with 10BASE-T, 100BASE-TX or1000BASE-T. When the port is being accessed, theaccess indicator (green) blinks. When the port is beinglinked, the link indicator (orange) lights.o Main monitor output connector (HDMI)[AV OUT MAIN]This connector is used to connect to an HDMI-readymonitor (the main monitor).It displays live images, recorded images, or the setupmenu of the recorder.!0 Sub monitor output connector (HDMI)[VIDEO OUT SUB]This connector is used to connect to an HDMI-readymonitor (sub monitor).Only the live images will be displayed.!1 HDD slot [HDD1/HDD2]Hard disk drives (locally procured) can be installed intothese slots. Contact your dealer for installing/replacingthe hard disk drives.!2 SIGNAL GND terminal [SIGNAL GND]Connect this terminal with the SIGNAL GND terminals ofthe devices in the system for signal ground. When oper-ating the recorder and the devices in the system withoutsignal ground, oscillation or noise may be produced.10/100/1000BASE-TPC CAMERA/PCAccess indicator Link indicatorVIDEOOUTAUDIOHDD 2SIGNAL GNDAC IN HDD 1ALARM/CONTROL EXT STORAGE2 1 10/100/1000BASE-T AV OUTMAIN VIDEO OUTSUBPC CAMERA/PC!2 SIGNAL GND terminalw Mouse connection porte Video output connector (BNC)r Audio output connector (RCA pin jack)t Alarm/Control connector (D-sub 25-pin)q Power cord inlety Expansionconnector!0 Sub monitor outputconnector (HDMI)o Main monitor output connector(HDMI)i Network port (Camera/PC port)u Network port (PC port)(This illustration represents WJ-NV300K.)!1 HDD slot