Cisco PA-A3-8T1-IMA T1 Port Adapter 73-3614-02Cisco PA A3 8T1 IMA T1 8 Port Port Adapter 73 3614 02 Description: The PA A3 IMA is a single width port adapter that allows Cisco routers to support inverse multiplexing over ATM. The PA A3 IMA supports data rates between DS1 and DS3 levels, or E1 and E3 levels, by combining the bandwidth of multiple DS1 or E1 links into groups that collectively provide higher intermediate rates. This Peripheral Component Interconnect (PCI) based port adapter is