PXB4340E Datasheet, PDF (21/185 Pages) Infineon Technologies AG – ICs for Communications

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In a heterogeneous network containing ATM and non-ATM interfaces VCC origination or
termination occurs at the AAL function, as e.g. Circuit Emulation Service (CES) with AAL1 or
Segmentation and Reassembly (SAR) with AAL5 as shown in ILJXUH .
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The PXB 4340 AOP in downstream direction terminates the OAM cell stream just before the
AAL device which terminates the ATM connections.
Data Sheet
1-21
04.2000