Northern TVIDVR4 Quick Manual
Also see for TVIDVR16: User manual
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Contents
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Quick Start Guide of Digital Video Recorder11Peripheral ConnectionsWiring of Alarm InputThe alarm input is an open/closed relay. To connect the alarm input to the device, use the following diagram.If the alarm input is not an open/close relay, please connect an external relay between the alarm input and thedevice.Wiring of Alarm OutputTo connect to an alarm output (AC or DC load), use the following diagram:DC Load Connection Diagram AC Load Connection DiagramFor DC load, the jumpers can be used within the limit of 12V/1A safely.To connect an AC load, jumpers should be left open (you must remove the jumper on the motherboard in theDVR). Use an external relay for safety (as shown in the figure above).There are 4 jumpers (JP1, JP2, JP3, and JP4) on the motherboard, each corresponding with one alarm output. Bydefault, jumpers are connected. To connect an AC load, jumpers should be removed.Example:If you connect an AC load to the alarm output 3 of the DVR, then you must remove the JP 3.Alarm ConnectionTo connect alarm devices to the DVR:1. Disconnect pluggable block from the ALARM IN /ALARM OUT terminal block.2. Press and hold the orange part of the pluggable block; insert signal cables into slots and release the orange part.Ensure signal cables are in tight.3. Connect pluggable block back into terminal block. |
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