Danish Interpretation Systems
User Manual
User Manual DDS 5900
41
9
Technical Specifications
9.1
System Specification
Overall
system
characteristics
The microphone system conforms to IEC 60914, the
international standard for conference systems. However
the functionality of an interpreter unit differs from the
standard.
System
Audio Performance
Sound quality .....24 bit audio @ 32 kHz sampling frequency
Measured from the audio input of a conference unit to the
headphone output of a conference unit:
Audio frequency response ......................65 Hz ‐ 16 kHz (‐3 dB)
Total harmonic distortion at 1 kHz ....................................< 0.1%
Dynamic range ...........................................................................> 80 dB
Weighted signal‐to‐noise ratio ....................................> 85 dB(A)
Cabling
and
System
Limits
Cable type (min. specification) .......Cat5e, AWG 24, screened
Maximum cable length in one chain ................................... 150 m
System
Environmental
Conditions
Working condition .......................................... Fixed, stationary or
transportable
Temperature
range
To guarantee specified performance...... 5 Deg C. to 40 Deg C.
Storage temperature .................................. ‐20 Deg C. to 60 Deg C
Maximum relative humidity ...................................................< 80%
Approvals
EMC emission
According to harmonized
standard EN 55103‐1 and
FCC rules part 15, complying
with the limits for a class A
digital devices
EMC immunity
According to harmonized
standard EN 55103‐2
pprovals
EMC a
Affixed with the CE mark
ESD
According to harmonized
10
standard EN 55 3‐2
Mains harmonics
According to harmonized
3‐1
standard EN 5510
Environmental requirements Contains
no
banned
substances as specified in
UAT‐0480/100
(e.g.
no
cadmium or asbestos)
Specifications
are
subject
to
change
without
notice
9.2
CU 5905 Specifications
Analog
Section
Audio output signal type ........................electronically balanced
Nominal output level ..............................0 dBm at nominal input
Max. output level............................................ 4.9V RMS
∼
+16 dBm
Audio input signal type ...........................electronically balanced
Nominal input level (In 1 is switchable).........................................
....................... 0 dBm or ‐10 dBm (0.775V RMS or 0.245V RMS)
Max. input level ............................................. +15 dBm (4.5V RMS)
Analog Audio in impedance ......................................50‐100 kohm
Connectors
Chain – Conference units (DCS‐LAN) .................................2xRJ45
Maximum total number of units to be connected to both
outputs on a CU 5905:
DC 5980P Conference Units ................................. up to 60 pieces
Audio output............................... 4 pieces XLR3 male connectors
Audio input.................................2 pieces XLR3 female connector
LAN (TCP/IP) ....................................................................1 piece RJ45
EEM.................................................................. 1 contact closure input
General
Default IP address ......................................................... 192.168.10.1
Power consumption............................................... max. 150W/48V
Supply voltage for DC 5980 units ............................... 125W/48V