Nortel Networks DCT1900 - Manual (Page 90)

Technical Product Manual - DCT1900
Product Specifications, System Boards
6-10 Specs-DCT1900/R8/mw
© 2000-2005
6.12 Digital Line Unit, DLU - REX-BRD0023
AWS1024 Meridian, AWS1025 Norstar, AWS1026 Lucent
The DLU has 12 analog front ends (ports) that provide 12 digital line interfaces to the PBX.
Compliance to Regulations and Standards
Safety
: ANSI/UL 60950
: CSA 22.2-950 3rd edition
Electrostatic discharge : EN 61000-4-2
Radiated susceptibility : EN 61-4-3
Electrically Fast
Transients (burst)
: EN 61000-4-4
Conducted disturbances : EN 61000-4-6
Radiated and
Conducted Emissions
: EN 55022, procedure CISPR 22 and CISPR 16 Class A
Environmental
Temperature
Operating : 32 to 158
°F (0 to 70°C)
Storage : -40 to 158
°F (-40 to 70°C)
Relative humidity : 95% max, non condensing at 77 to 158
°F (25 - 70°C)
General Specifications
Length x width
: 13.0" x 7.0 x 0.79" (340 x 178 mm)
Maximum Power Consumption : 3.0 W at 5V
1.2 W at -12V
RS232 serial port : 1 via a DB9 female connector
Digital Line Specification
Number of digital
interfaces per DLU
: 12
Bit rate : Automatically adjusted for the PBX type it is configured for.
Signalling : Proprietary digital signal encoding.