Nortel Networks DCT1900 User Manual
Page 185
Technical Product Manual - DCT1900
Product Specifications, System Boards
Specs-DCT1900/R8/mw
6-5
© 2000-2005
6.7
Speech Processing Unit, SPU-S - REX-BRD0017 or ROFNB 157 16/3
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)
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
6.8
Cell Link Unit, CLU - REX-BRD0014 or ROFNB 157 11/2
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
Fusing
Power to the Base Stations is fused by two replaceable 1.0 AT fuses per Base Station.
Transport Data Rate
384 kbit/s
General Specifications
Length x width
13.5" x 7.7" (343 x 195.6mm)