15Rear I/O Terminals Input portse [ALARM IN 1 to 8] alarm input terminals 1 to 8Alarm recording is activated when signals are input to theseterminals.f [EMERGENCY] emergency input terminalRecording is activated in all cameras when a signal is input to thisterminal.g [ALARM RESET] alarm reset input terminalOutput from the alarm output terminal is stopped when a signal isinput during output of the Alarm Out signals.Turns off the [ALARM] indicator F on the unit. Press and hold downto turn off the [WARNING] indicator F.h [EXT REC IN] external recording input terminalRecording in all cameras is started or stopped by an external signal.Recording will not be started in cameras to which no video signal isbeing input.i [OPE ON/OFF] Operate ON/OFF terminalSwitches between OPERATE ON or OFF when a signal is input.(A Page 30)Note :● Input ports e to i will not operate when the main menu isdisplayed. Inputs such as alarms will also be ignored when themain menu is displayed. Output portsj [COMMON] signal ground terminalThis is a common ground terminal. Connect it to the signal groundterminal on the connected device. (This can be used when thereare insufficient common ground terminals.)k [ALARM OUT] alarm output terminalOutputs a signal when recording is started by an alarm.l [WARNING OUT] warning output terminalOutputs a signal when an error such as operation abnormalityoccurs on the hard disk.m [REC TALLY] recording status output terminalOutputs the recording status of this unit.n [OPTION OUT1][OPTION OUT2] OPT OUT outputterminals 1/2Outputs a signal when an event is detected.o [COMMON] signal ground terminalSame as j.p [SIGNAL GND] signal ground terminalThis is a common ground terminal. Connect it to the signal groundterminal on the connected device.(This can be used when there are insufficient common groundterminals.Memo :● Do not use this terminal for protective earthing.ONOFFepfghijklmno
