The next step in the evolution of interface capabilities for Internet Service Provider customer aggregation and large enterprise remote site connectivity. With the capability to support up to 56 T1 connections, the enhanced Multichannel T3 port adapter provides twice the interface density of the PA-MC-T3. With clear channel T3 and subrate T3 support, the enhanced Multichannel T3 port adapter increases interface flexibility and allows service providers to deploy interfaces to remote locations without having to know beforehand the ratio of clear channel T3 and channelized T3 ports they must support.