Nortel Networks DCT1900 - 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)