Nortel Networks DCT1900 manual Digital Line Specification

Technical Product Manual - DCT1900

Product Specifications, System Boards

6.12Digital 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.

6-10	Specs-DCT1900/R8/mw
	© 2000-2005