Used Siemens EWSD telecoms equipment available from Used Telecoms
With more than 200 million ports installed in 105 countries, Siemens' EWSD switching system is one of the most popular carrier switches in the world. The EWSD Platform consists of the EWSD core and the EWSD periphery.
The EWSD core is comprised of the following:
Switching Network (SN) – creates the connections between subscribers
Coordination Processor (CP) – performs call processing and routing
Signaling System Network Control (SSNC) – controls the SS7 signaling traffic
The EWSD periphery is comprised of the following:
Remote Switching Unit (RSU) –connects subscribers and trunks; can replace local exchanges
Line Trunk Group (LTG) – connects subscribers and trunks
Digital Line Unit (DLU) – connects subscribers and concentrates the traffic to the LTG
Synchronous Transport Module Interface (STMI) – provides a fully integrated STM-1 interface to the SDH network
Host Timeslot Interchange (HTI) – for connection of the RSU EWSD Platform – prepared to meet future network demands.
If you are looking for any Siemens EWSD spare card or frame, specially the ones used on version 14 and below, please contact us for friendly, helpful advice +44(0) 1273 391291. This is a list including all the Siemens EWSD equipment currently available from UsedTelecoms.com.
