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Back Panel Connections
Figure 3. Back Panel
1. Audio In/Out: Line -level audio input and output with RCA style connector.
2. Video In/Out: Composite video input and output with BNC style connector.
3. RS-232 Serial Port: Used for serial debugging.
4. RS-485 Port: Not used at this time.
5. S-Link: Not used at this time
6. I/O Port: For connecting peripheral devices such as alarm devices or alarm relays.
7. Power Connector: For connecting to the 12 Volt DC external power supply.
8. Ethernet Port: For connecting to a LAN or WAN. Used for upgrading the software via the Internet.
Audio Input and Output
The unit is equipped with 1 audio input and 1 audio output. Both the audio output and the audio input are line-
level.
Audio in
Audio out
Note:
Line-level audio requires amplification.
Camera Input and Output
The VSR is equipped with a composite input and output. The video input is auto-terminating. When
connecting directly from the VSR to the monitor, select the 75-Ohm impedance setting on the monitor.
RCA jack, 315 mV, 40k Ohms. Unbalanced
RCA jack, 315mV, 600 Ohms. Unbalanced
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