Connecting the video source, Connecting the loop through video, Figure 2-2 – Insignia HRSD16 User Manual
Page 24: Video input connectors, Figure 2-3, Video loop through connectors, Table 2-1, Rear panel connections

Installation
24
Your DVR can be used with either NTSC or PAL equipment.
Note
You cannot mix NTSC and PAL equipment. For example, you
cannot use a PAL camera and an NTSC monitor.
Connecting the Video Source
Connect the coaxial cables from the video sources to the BNC Video In connectors.
Figure 2-2
Video Input Connectors
Connecting the Loop Through Video
If you would like to connect your video source to another device, you can use the Loop
BNC connectors.
Figure 2-3
Video Loop Through Connectors
Note
The Loop BNC connectors are auto terminated. Do NOT connect
a cable to the Loop BNC unless it is connected to a terminated
device because it will cause poor quality video.
Table 2-1
Rear Panel Connections
#
Connection
#
Connection
1
Video input
6
Network/Ethernet port
2
Looping connectors
7
RS485 port for remote devices
3
Audio input x2; audio output x1
8
Alarm inputs
4
Video main: BNC or VGA;
Spot-BNC
9
Alarm outputs
5
Serial RS-232C port
10
Power cord connector