11q Audio Input Connectors (AUDIO IN 1 - 4)These connectors, for RCA pin jacks, accept an unbal-anced –10 dBV, 10 kΩ line input audio signal suppliedfrom an external device such as a microphone amplifi-er.w Audio Output Connector (AUDIO OUT)This connector, for an RCA standard jack, supplies anunbalanced –10 dBV, 600 Ω line output audio signal toan external device.Recorded audio will be supplied from this connectorduring playback.e Video Input Connectors (CAMERA IN 1 - 16 for theWJ-HD316A/CAMERA IN 1 - 9 for the WJ-HD309A)Connect system cameras or combination cameras tothese BNC connectors. Refer to page 72 for the impor-tant notice about the BNC cables to be used.A 75 Ω termination is made unless the video output ter-minal is connected.To connect combination cameras, connect them to theCAMERA IN 1 - 8 connectors of the WJ-HD316A, or theCAMERA IN 1 - 6 of the WJ-HD309A (accept coaxialcommunication).r Video Output Connectors (CAMERA OUT 1 - 16 forthe WJ-HD316A/CAMERA OUT 1 - 9 for the WJ-HD309A)These BNC connectors supply video signals loopedthrough the video input connectors. Refer to page 72for the important notice about the BNC cables to beused.Note: Video signals will not be supplied from the CAM-ERA OUT 1 - 8 connectors if the power of the unit isoff. Rear View[WJ-HD309A][WJ-HD316A]INOUTCASCADEOUT32199887766554433221112VIDEOAUDIO IN AUDIO OUTP S · D a t aMONITOR OUT CASCADE IN MONITOR (VGA) ALARM/CONTROLSERIAL ALARMPOWERCOPY 1MODEEXT STORAGE10/100BASE-TRS485(CAMERA)DATAAC INSIGNAL GND14 211 82INOUTCASCADEOUT1616315151414132113121211111010998877665544332211VIDEOAUDIO IN AUDIO OUT MONITOR OUT CASCADE IN MONITOR (VGA) ALARM/CONTROLSERIAL ALARMPOWERCOPY 1MODEEXT STORAGE10/100BASE-TRS485(CAMERA)DATAAC INSIGNAL GND14 21 8w t y u io !0 !1 !3 !5 !8!2 !4 !6 !7er !9@0w t y u io !0 !1 !3 !5 !8!2 !4 !6 !7q er !9@0qt Monitor Output Connectors (MONITOR OUT1, MONI-TOR OUT2/CASCADE OUT)Connect monitors to these BNC connectors. Refer topage 72 for the important notice about the BNC cablesto be used.The MONITOR OUT2 connector can also be used asthe CASCADE OUT connector.When using two or more units of the WJ-HD316A/WJ-HD309A and using the MONITOR OUT2 connector asthe CASCADE OUT connector, connect with the CAS-CADE IN connector of another WJ-HD316A/WJ-HD309A.y Cascade In Connector (CASCADE IN)Connect with the CASCADE OUT connector of anotherWJ-HD316A/WJ-HD309A when using two or more unitsof the WJ-HD316A/WJ-HD309A.u Serial Connector (SERIAL)Connect a PC with this D-Sub 9-pin connector whencontrolling this unit.i Monitor Connector (MONITOR (VGA))Connect a VGA monitor with this connector. The samevideo signal supplied to the MONITOR OUT2 connectorwill be supplied to this connector.o Alarm Connector (ALARM)Connect an external device such as a sensor or a doorswitch with this D-Sub 25-pin connector.!0 Alarm/Control Connector (ALARM/CONTROL)Connect a control switch with this D-Sub 25-pin con-nector when controlling this unit using an externaldevice, or when controlling an alarm device such as abuzzer or a lamp.