D14646.01—MARCH 2010
11
TANDBERG Codec C40
The Physical Interface Guide
Contents
Introduction
The physical interface
Appendices
Contact us
www.tandberg.com
Audio inputs
Unused, but connected audio inputs should be set to
Off to avoid unwanted audio/noise.
Microphone/Line In 1–2 (XLR)
2 x Balanced XLR sockets, audio input 1–2.
Main connector.
The Microphone/Line In 1 is the
main connector for the microphone.
All four microphone inputs are for balanced electret
microphones, 48V phantom powered via XLR
connectors.
The phantom powering of all four XLR sockets can
be individually switched off. The input will then be a
balanced line level input.
All Microphone/Line In 1–2 are equipped with acoustic
echo canceller.
Use Microphone/Line In 1–2 to connect to an external
microphone amplifier or an external mixer.
Default configuration.
In default configuration, all
Microphone/Line In inputs are enabled and configured
as microphones.
Line In 1–2 (RCA)
2 x RCA sockets, audio input 1–2
Audio Line In 1–2 are used when connecting to PC
and to external playback devices, such as VCR’s or
DVD players.
Main connectors.
The Line In 1 is the main
connector 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
•
Connect the right channel to Line In 2
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.
RCA pin–out
External view of socket
RCA—Phono Plug (the Radio Corporation of
America)
2 x Line In
2 x Microphone/
Line In
XLR pin–out
External view of socket
Pin 1: Gnd
Pin 2: Hot
Pin 3: Cold/neutral
XLR—Electrical Connector (Cannon XL series with
Rubber compound)
1
2
3
GND
Signal
Contents
Introduction
The physical interface
Appendices
Contact us
The physical interface
Contents
Introduction
The physical interface
Appendices
Contact us
The physical interface
