Nortel Networks DCT1900 - Manual (Page 50)

Technical Product Manual - DCT1900
System Description, Radio Exchange Boards
4-12 System-DCT1900/R8/mw
© 2000-2005
Fig. 4-10 Hardware Block Diagram of the DCT1900 System housed in a Modular Cabinet
Note: Numbers in ( ) are circuits per board.
CLU
(8)
CLU
(8)
SPU
(8)
SPU
(8)
DTU
(2)
CPU
DC
Mobility Server/PBX
Radio
Exchange
...
Station
Powered from
RE
Base
Station
DC
External
Patch
Panel (MDF)
CLU
SPU
(8)
(8)
SLU
Base
Station
Synchronization
distribution board
PWT air interface
synchronization
LTU
(8)
Remote DC
Power Supply
Analog
SMS Server
Personal
Computer
System
Printer MCCB
General
Alarm
(GA)
Portable Telephones Portable Telephones
Digital
E1 or T1 link
Power
source
Base
DLU
(12)
1:1 Digital lines