Nortel Networks DCT1900 manual Speech Processing Unit, SPU-S REX-BRD0017 or Rofnb 157 16/3

Technical Product Manual - DCT1900

Product Specifications, System Boards

6.7Speech 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

6.8Cell 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)

Specs-DCT1900/R8/mw	6-5
© 2000-2005