Cisco LightStream 2020

Cisco LightStream 2020 Enterprise ATM switch. For campus and wide-area applications. The LightStream 2020 ATM switch supports trunks operating at T1/E1 data rates and provides a migration path through T3/E3 into a SONET/SDH OC-3 trunk. The LightStream 2020 intelligent edge modules support a variety of services including frame forwarding, Frame Relay, ATM UNI, and LAN internetworking.