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Cross-connect system and flexible add/drop multiplexer The XMP1 is a flexible 64kbit/s Access Multiplexer and SDH applications from 8kbit/s up to STM-4. It has both electrical and optical 2Mbit/s, 34Mbit/s and STM-1 it also has an STM-4 optical line interfaces accompanied by a wide range of 64kbit/s or Nx64kbit/s subscriber interfaces, that enables operators to build either PDH or SDH networks using just one highly integrated system.

XMP1 is a modular, flexible and highly integrated cross-connect system within a single network element on 8/64 kbit/s level for PDH part and VC-12, VC-3 and VC-4 level for the SDH unit. The transmission rates are from 8 kbit/s up to 34Mbit/s for PDH and STM-1 and STM-4. It is in each configuration always a fully non-blocking cross-connect configurable as a terminal or add/drop multiplexer that enables you to set up complex communication and data networks adapted to your bespoke requirements.

The capacity of the digital switching matrix is 16x2 Mbit/s: 480 timeslots using CAS-Signaling, or 496 using 31 channels. The cross-connect of each individual 64k signal inclusive associated signaling information (2kbit/s) is freely configurable. These signals can be terminated on service interfaces and combined with other 2Mbit/s signals (E1) for interworking with a transport network or as connection inside pure XMP1 networks. New enhancements mean that customers with an installed base of XMP1 can now migrate to SDH and SDSL services

• Configurable for 496x64 kbit/s by free timeslot allocation
• Optimal range of interfaces from 2Mbit/s to STM-4
• 16xE1 non-blocking cross connect on 64k/8k level with free timeslot allocation
• Highly sophisticated SDSL modules
• Various interfaces, voice, ISDN, Data and LAN
• Modular system for all network topologies
• Two powerful management options for control, performance testing and diagnostic functions
• Space savings with an integrated high density compact design
• Carrier class availability and reliability with specific considerations of safety relevant applications
• Versatile protection and redundancy mechanism
• Integrated SDH unit for STM-1 and STM-4

Applications

The XMP1 has been designed as a cross-connect multiplexer for various applications. In its standard application it can be configured to provide point-to-point, leased-line services in corporate networks, offering a full range of voice, ISDN, data and LAN services.

The SDH and 64kbit/s cross-connection functionality is fully integrated to support a great variety of PDH 64kbit/s based network applications as well as the seamless integration into STM-1/STM-4 rings, stars and meshed networks.

Furthermore, the newest extension of XMP1 by integrated SDH perspectives of migration for the customer based on the installed network base of XMP1.