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The AT-9020 ATM E1, 1-port, SmartCard is used to generate and monitor ATM network traffic. Applications include testing ATM-to-LAN internetworking devices, very high-performance ATM backbones, xDSL devices, and LAN-to-ATM edge devices. The interface on the AT-9020 is RJ-45. It requires two slots in an SMB-200 or SMB-2000 chassis.