Multi-card connection, Qspd4116 card hardware, Qspd4116 video capture card – Q-See Computer Hardware User Manual
Page 15: 4 qspd4116 card hardware

SuperDVR & H.264 Series Cards
User Manual
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When there are multiple QSDT8PCRP cards connected together, please
connect the line as in the following figure:
Figure2-9 Multi-Card Connection
2.1.4 QSPD4116 Card Hardware
Data Line
Video Line 9-16
Video Line 1-8
Data Line
Motherboard
Accessorial board
Call Monitor
Audio Line 1-16
Figure2-10 QSPD4116 Video Capture Card
The Call Monitor interface is used to connect the spot monitor.