Cisco SM-X-1T3/E3

The Cisco SM-X-1T3/E3 is a network module designed for Cisco Integrated Services Routers (ISR) and Cisco Aggregation Services Routers (ASR). It provides a single-port T3/E3 connectivity option for these routers. T3 and E3 are high-speed digital transmission protocols used for transmitting data over long distances at rates of up to 45 Mbps. The SM-X-1T3/E3 module allows routers to connect to T3 or E3 lines, enabling high-speed data transfer and connectivity in enterprise networks.