Nortel Networks DCT1900 User Manual
Page 184
Technical Product Manual - DCT1900
Product Specifications, System Boards
6-4
Specs-DCT1900/R8/mw
© 2000-2005
6.6
Speech Link Unit, SLU - REX-BRD0015 or ROFNB 157 16/1
Environmental
Temperature
Operating
: 32 to 104
°F (0 to 70°C)
Storage
: -40 to 158
°F (-40 to 70°C)
Relative humidity
: 20 to 80%, non condensing
General Specifications
Length x width
13.5" x 7.7" (343 x 195.6mm)
Current Limitation
Current limitation of the Base
Stations power
: 1.3 A (T = 25
°C)
0.75 A (T = 70
°C)
Transport Data Rate
Data rate between SLU and
Base Station
: 384 kbit/s
Speech Coding
Telephone exchange side
: 64 kbit/s PCM (A–law or
μ–law, country dependent,
downloaded from CPU)
Base Stations side
: 32 kbit/s ADPCM
DTMF Levels
Country dependent (downloaded from CPU)
Artificial Leakage
Only if a DTU is used
: -24 dB
Dial Tone Detection
Sensitivity level
: -29 dBm
Detection time
: 800 ms
Frequencies
: 350/440 Hz