||10.75 x 16.00 x 2.75 in.
The enhanced ATM port adapter is a new generation of single-wide, single-port ATM port adapters
available on Cisco 7200 series routers, Cisco 7500 series routers, and Cisco 7000 series routers with
the 7000 Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI).
The PA-A3 port adapters include five hardware versions that support the following standards-based
• OC-3c/STM1 multimode
• OC-3c/STM-1 single-mode intermediate reach
• OC-3c/STM-1 single-mode long reach
The PA-A3 port adapters support all Cisco IOS features and ATM-specific features available in
Release 11.1(18)CC except for the available bit rate (ABR) permanent virtual circuit (PVC) and
LAN emulation (LANE) features.