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The "Interworking Element for 8 E1/T1 lines" (IWE8), PXB 4220 and PXB 4221 are members of Infineon" ATM Chipset. Together with framing and line interface components (e.g. Infineon's QuadFALC PEB 22554) the IWE8 serves as gateway between Asynchronous Transfer Mode (ATM) networks and timeslot based PDH networks. The IWE8 is a single chip multiservice device ...
