D14128.02—NOVEMBER 2008
23
Codec C90
System Integrator Guide
Contents
Introduction
Getting Started
Interfaces
About the API
xConfiguration
xCommand
xStatus
Cameras
Appendices
Contact us
Interfaces
Audio inputs (II)
Unused, but connected audio inputs should be set
to Off to avoid unwanted audio/noise.
Line In 1–4 (RCA)
4 x RCA sockets, audio input 1–4
Audio Line In 1–4 are used when connecting to PC
and to external playback devices, such as VCR’s
or DVD players.
Main connectors.
The Line In 1 (left) and Line In
2 (right) are the main connectors to a PC.
Stereo.
For systems with stereo I/O the audio
inputs can be configured in stereo pairs:
Connect the left channel to Line In 1 or 3
•
Connect the right channel to Line In 2 or 4
•
Default configuration for Line In 1–2.
In the
default configuration Line In 1 and 2 are configured
as stereo inputs for external playback devices,
such as a PC.
Default configuration for Line In 3–4.
In the
default configuration Line In 3 and 4 are configured
as stereo input pairs. The two inputs are paired
with Line Out 3 and 4 respectively.
This pairing will avoid feedback situations that
can arise when playback/recording devices are in
standby mode (Loop suppression).
Line In 3 and 4 are used with external playback
devices as VCR’s and DVD players.
RCA pin-out
External view of socket
GND
Signal
RCA - Phono Plug (the Radio Corporation of
America)
4 x Line In
