General - Nortel DCT1900 Technical Product Manual

C 6
HAPTER
System Boards
6.1 Digital Trunk Unit (DTU–E1 CAS, CCS) - REX-BRD0002 or 2/ROFNB 157 13/1
Compliance to Regulations and Standards
The DTU–E1 provides 2 standard CEPT primary rate interfaces and meets the following
requirements:
CE regulation
CE marking
Leased line CTR
G.703
G.704
G.823
G.732
I.431
Environmental
Temperature
Operating
Storage
Relative humidity
General Specifications
Length x width
Digital Trunk Specification
Number of primary rate
interfaces per DTU board
Bit rate
Signalling
Specs-DCT1900/R8/mw
© 2000-2005
: 91/263/EEC
: (this marking is not placed on the DTU–E1 board
because the DCT1900 system is already covered by the CE
marking of the cabinet)
: CTR12
: Electrical characteristics of the 2.048 Mbit/s synchronization
interface
: Synchronization frame structure at 2.048 Mbit/s
: Input jitter requirements
: Characteristics of primary rate PCM multiplex equipment
operating at 2.048 Mbit/s
: Primary rate layer 1
: 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
: 2.048 Mbit/s
: Common Channel Signalling (CCS), using firmware set
NTM/RYSNB 101 17/3
: Channel Associated Signalling (CAS), using firmware set
RYS 105 664
Technical Product Manual - DCT1900
Product Specifications, System Boards
6-1