Nortel DCT1900 Technical Product Manual page 182

Technical Product Manual - DCT1900
Product Specifications, System Boards
6.2 Digital Trunk Unit, DTU-T1, CAS - REX-BRD0021 or 2/ROFNB 157 13/2
Compliance to Regulations and Standards
The DTU–T1 provides 2 standard T1 interfaces. The DTU–T1 complies with the following EIA/TIA
recommendation:
EIA/TIA 464
Environmental
Temperature
Operating
Storage
Relative humidity
General Specifications
Length x width
Digital Trunk Specification
Number of T1
interfaces per DTU
Bit rate
Signalling
6.3 Digital Trunk Unit -DTU–T1,CCS - REX-BRD0021 or 2/ROFNB 157 13/3
The DTU–T1 provides 2 standard T1 interfaces. The DTU–T1 complies with the following EIA/TIA
recommendation:
EIA/TIA 464
Environmental
Temperature
Operating
Storage
Relative humidity
General Specifications
Length x width
Digital Trunk Specification
Number of T1
interfaces per DTU
Bit rate
Signalling
6-2
: Private Branch Exchange (PBX) Switching Equipment for
Voice–band Applications.
: 32 to 104°F (0 to 70°C)
: -40 to 158°F (-40 to 70°C)
: 20 to 80%, non condensing
13.5" x 7.7" (343 x 195.6mm)
: 2
: 1.544 Mbit/s
: Channel Associated Signalling with bit Robbing (CAS BR)
according to EIA/TIA 464–A FXS DSX–1, using firmware set
RYS 105 660
: Private Branch Exchange (PBX) Switching Equipment for
Voice–band Applications.
: 32 to 104°F (0 to 70°C)
: -40 to 158°F (-40 to 70°C)
: 20 to 80%, non condensing
13.5" x 7.7" (343 x 195.6mm)
: 2
: 1.544 Mbit/s
: Common Channel Signalling with a 64Kbps D channel using
Q.931 protocol with proprietary extensions for mobility
management, using firmware RYS 105 650.
Specs-DCT1900/R8/mw
© 2000-2005