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Cisco TelePresence System Codec C90 and Profile 65" Dual using C90
Contents
DNAM for Profile 65"
The DNAM (Digital Natural Audio Module) is
built on two specially designed and separate
modules: the amplifier and the loudspeaker
cabinet.
The DNAM loudspeaker
3-way center loudspeaker system
•
Frequency range 50 Hz - 20 kHz
•
2 × 100 mm low- and midrange
loudspeakers, 8 ohm nominal, reference
quality (SEAS Excel series)
•
1 × 25 mm dome tweeter, 6 ohm nominal,
excellent quality
•
Digitally filtered audio signals received
from DNAM amplifier
•
Long time max power 70 watt on all
loudspeakers
•
Enclosed MDF loudspeaker cabinet
2-way integrated stereo loudspeaker
Each side has:
•
1 × 100 mm low- and midrange
loudspeaker, 8 ohm nominal, reference
quality (SEAS Excel series)
•
1 × 25 mm dome tweeter, 6 ohm nominal,
excellent quality
•
Passive crossover filter
•
Frequency range 70 Hz - 20 kHz
•
Long time max power 70 watt
•
Enclosed MDF loudspeaker cabinet
D14635.13 Profile C90 and Codec C90 Administrator Guide TC7.0, DECEMBER 2013.
Introduction
Web interface
DNAM loudspeaker
DNAM amplifier
Audio In (RCA)
Audio Loop Out (RCA)
Audio Differential In (XLR)
Audio Stereo Out (XLR)
System settings
Loudspeaker Out
(D-SUB)
Power socket
Fuse
133
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Administrator Guide
Setting passwords
Appendices
Appendices
The DNAM amplifier
•
5 × 50 watt continuous average output
power
•
Full frequency range for audio
(20 Hz – 20 kHz)
•
Digital signal processing and filtering on all
channels for best audio detail clarity
•
Digital crossover filtering on center channels
•
In/out:
Audio In: SPDIF (stereo) or Analog (mono)
using the same connector
Audio Loop Out: line out directly from the
input; always analog even with SPDIF in
Audio Differential In: female XLR, pinout:
1 - GND, 2 – Signal (+), 3 – Signal (-)
Audio Stereo Out: male XLR, common
GND configuration
Loudspeaker Out: female D-SUB 15-pin
Fuse 2 A 250 V slow, 5 × 20 mm, Littelfuse
•
type 215002
Always use this type of fuse. Using
a different type may lead to serious
hardware malfunction.
Spare fuses
The Profile system is delivered with two spare
DNAM fuses in the column.
Take care not to damage the fuse and fuse
holder when replacing a fuse.
•
Push the fuse holder slightly inwards and
turn counter-clockwise to release the fuse.
•
When reinserting the fuse and fuse holder,
push slightly inwards and turn the holder
carefully clockwise until it locks in place.
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