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Nortel Networks DCT1900 User Manual

Page 84

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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