Alarm board hardware, Alarm board, Pins definition of alarm board – Q-See Computer Hardware User Manual
Page 17: Connect audio signal, 5 alarm board hardware, 6 connect audio signal

SuperDVR & H.264 Series Cards
User Manual
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2.1.5 Alarm Board Hardware
Figure2-13 Alarm Board
Figure2-14 Pins Definition of Alarm Board
Connect J2 to PC serial port and you can use alarm board on SuperDVR
system.
2.1.6 Connect Audio Signal
For QSDT4PCRP, connect the audio input device to the microphone
connector on the motherboard.
Before installing the Video Capture Card hardware in PCI port of the
motherboard, make sure you’ve installed Microsoft DirectX 9.0 or later. Then
turn on the computer, the system will display ‘Found new hardware’.
NOTICE: Just click ‘Cancel’ and ignore the pop-up message.
Insert the CD that contains H.264 series capture card driver into the CD tray,
and run Setup.exe program to install the driver. The default installation path is
‘C:\Program Files\SuperDVR’.