Cisco TelePresence System Codec 3000 MXP Fiziksel Arayüz Kılavuzu - Sayfa 19
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MXP Series Codecs
Contents
Audio Sockets
TIP!
Audio signal levels
Use Audio Input No. 3 to
expressed in volts
connect to external playback
and dBu can be found
devices. This input can
overleaf.
also be configured as a
microphone input. It will then
NOTE!
Audio inputs 3 &
function in lieu of the Mic.
4 are referred to as Line
2 input and be connected
input 1 & 2 in the API.
to Mic. 2's echo canceller
TIP!
Unused, but
(which can be turned on/off).
connected audio inputs
should be set to Off to
avoid unwanted audio/
noise.
Use Audio Output No. 1 to provide a
mixed signal of audio from far end and
local external devices connected to
input 3 & 4 in addition to dial tones.
This output should be connected to the
local loudspeaker system, which may, or
may not, include the TANDBERG Digital
Natural Audio Module.
For systems configured with stereo
speakers and SPDIF
active, the left and
†
right channel of the loudspeaker signal
will both be provided on this output.
For systems configured with stereo
speakers and SPDIF
not active, the
†
left channel of the loudspeaker signal
will be present on this output. The right
loudspeaker channel will be provided
on Audio Output No. 2.
RCA pin-out
External view of socket
Signal
GND
D14790.01 MXP Series Codec Physical Interface Guide, May 2011.
© 2011 Cisco Systems, Inc. All rights reserved.
Introduction
Codec 6000 MXP
Use Audio Input No. 4 to
connect a VCR or DVD
player to the system. For
systems configured with
stereo I/O, connect the
VCR/DVD right channel to
this input. This input should
be used when connecting a
telephone add-on system.
Use Audio Output No. 2 (the VCR output)
to provide a mixed signal consisting
of audio from the local side (VCR not
included) and audio from the far end.
This output should be used when
connecting a telephone add-on system.
For system configured with stereo I/O
and with SPDIF
†
active on Audio Output
No. 1, this output will provide the VCR left
channel stereo information.
For systems configured with stereo I/O,
stereo speakers and SPDIF
not active, this
†
output will provide the right channel of the
loudspeaker signal (the left channel will be
provided on the Audio Output No. 1).
†
SPDIF (Sony/Philips Digital Interface) is used by the
Digital Natural Audio module.
Codec 3000 MXP
Codec 3000 MXP
TIP!
Audio Input No. 4 is not
Settings
equipped with an acoustic
echo canceller. Connecting
Out 1
mode
a microphone to this input
can therefore not be
Analogue
recommended.
Analogue
Analogue
Analogue
SPDIF
SPDIF
SPDIF
SPDIF
Microphone Inputs
Nos. 1–2. Two balanced
microphone inputs for
electret microphones
balanced, 24V phantom
Signal type
powered via XLR
Socket
connectors.
Input impedance
Output impedance
Max input level when set
to min. input level
Max output level when
set to max. output level
Max input level when set
XLR pin-out
to max. input level
External view of socket
Max output level when
set to min. output level
1
Gain range
2
Phantom power
Phantom power resistor
3
pin 2
Pin 1: Gnd
Phantom power resistor
Pin 2: Hot
pin 3
Pin 3: Cold/neutral
Max phantom power
current
19
Physical interface guide
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Stereo Settings
Output Response
Stereo
Stereo
Audio Out 1
I/O mode
speakers
Off
Off
Loudspeaker
mono
Off
On
Loudspeaker L
On
Off
Loudspeaker
mono
On
On
Loudspeaker L
Loudspeaker
Off
Off
mono
Loudspeaker
Off
On
L & R
Loudspeaker
On
Off
mono
Loudspeaker
On
On
L & R
Hardware Information
Microphone(s)
Audio
Input(s)
Balanced
Unbalanced
XLR-F
RCA/phono
2400 W
10 kW
(pin 2–3)
83 mVpp
15.5 Vpp
6.2 mVpp
1.2 Vpp
22.5 dB (16 steps of 1.5 dB)
24 V ± 5 %
1200 W
1200 W
12 mA
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Audio
Out 2
VCR
Loudspeaker
R
VCR
Loudspeaker
R
VCR
VCR
VCR
VCR
Audio
Outputs
680 W
15.5 Vpp
1.2 Vpp