11!2 Escape Button (ESC)Use this button to display the previously displayed itemon the LCD.!3 Set Button (SET)Use this button to determine the edited settings item onthe LCD.!4 Maintenance Port (For servicing purpose only)Use this port to connect directly with a PC and performmaintenance operations. (Straight cable is required.) Rear Viewy Alarm/Control Connector (ALARM/CONTROL)Connect a control switch with this D-sub 25-pin connec-tor when controlling this unit using an external device,or when controlling an alarm device such as a buzzeror a lamp.u Power Switch (POWER)Turns the power of this unit on and off.0i Signal Ground Terminal (SIGNAL GND)o Power Cord Inlet (AC IN)Connect the power cord to this inlet.10/100BASE-T2 1EXT STORAGE SERIALPC CAMERAAC INALARM/CONTROLALARMSIGNAL GNDPOWERONOFFq w e r tyuioq External Storage Connector (EXT STORAGE)Connect an optional extension unit (WJ-HDE300 series)with this port.w Client PC Port (PC, 10/100BASE-T, 2)Connect this unit to a network compatible with 10BASE-T or 100BASE-Tx to connect a PC via a network.e Camera Port (CAMERA, 10/100BASE-T, 1)Connect this unit to a network compatible with 10BASE-T or 100BASE-Tx to connect to cameras via a network.r Serial Connector (SERIAL, D-sub 9-pin, Female)(For servicing purpose only)t Alarm Connector (ALARM, D-sub 25-pin, Female)Connect an external device such as a sensor or a doorswitch with this D-sub 25-pin connector.