Nortel Networks DCT1900 manual Speech Link Unit, SLU REX-BRD0015 or Rofnb 157 16/1

Technical Product Manual - DCT1900

Product Specifications, System Boards

6.6Speech 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

6-4	Specs-DCT1900/R8/mw
	© 2000-2005