PU3 Module SWT 3000 Equipment Manual
Page - 2 Edition p3_3_2x 08/09 © SIEMENS AG 2008
Contents:
Functions of the PU3f module----------------------------------------------------------------------------------------------------3
Mode of operation of the PU3f ---------------------------------------------------------------------------------------------------6
Internal power supply------------------------------------------------------------------------------------------------------------- 6
Controller -------------------------------------------------------------------------------------------------------------------------- 6
The analog line interface (LIA) -------------------------------------------------------------------------------------------------6
Self-test----------------------------------------------------------------------------------------------------------------------------- 7
Control and display elements of the PU3 -------------------------------------------------------------------------------------- 7
Significance of the LEDs on the PU3 ------------------------------------------------------------------------------------------ 8
Service interface------------------------------------------------------------------------------------------------------------------- 9
Operating mode as stand-alone SWT 3000 ------------------------------------------------------------------------------------ 9
Operating mode as integrated SWT 3000 (iSWT) ---------------------------------------------------------------------------- 9
Interference level evaluation----------------------------------------------------------------------------------------------------10
Event memory and real-time clock --------------------------------------------------------------------------------------------10
Clock synchronisation-----------------------------------------------------------------------------------------------------------10
Line clock synchronisation --------------------------------------------------------------------------------------------------12
The digital line equipment DLE ------------------------------------------------------------------------------------------------13
Transmission concept------------------------------------------------------------------------------------------------------------13
Line interface X.21 --------------------------------------------------------------------------------------------------------------14
Line interface G703.1 (64 kbit/s) ----------------------------------------------------------------------------------------------15
Line interface G703.6 (2Mbit/s HDB3) ---------------------------------------------------------------------------------------16
Jumper settings -------------------------------------------------------------------------------------------------------------------16
Index: --------------------------------------------------------------------------------------------------------------------------------17
Appendix: ---------------------------------------------------------------------------------------------------------------------------18
List of figures---------------------------------------------------------------------------------------------------------------------18
List of tables ----------------------------------------------------------------------------------------------------------------------18
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