Nortel DCT1900 Technical Product Manual page 50

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