Cisco 8 Port E1 ATM IMA

The enhanced asynchronous transfer mode (ATM) port adapters (ATM PA-A3) are single-port, single and dual-wide ATM port adapters for the Cisco 7200, 7500, and 7600 OSR series routers using the FlexWAN module for the Cisco Catalyst 6000 family of switches. The ATM PA-A3 is designed with a high-performance, dual segmentation and reassembly (SAR) architecture with local buffer memory.
The PA-A3-OC12 family went End of Sale (EOS) on May 2005 and are no longer orderable.
The PA-A3-T3, PA-A3-E3, PA-OC3MM, PA-A3-OC3SML and PA-A3-OC3SMI will be End of Sale (EOS) on December 31, 2006 for all platforms supported. The PA-A3-8T1IMA and the PA-A3-8E1IMA are not affected by this end of sale announcement.