The DataSMART 656 single-port DSU/CSU and DataSMART 658 single-port add/drop DSU/CSUs are designed to cost-effectively connect your LAN to your corporate network or to the Internet. These DataSMARTs operate at T1 and fractional T1 rates from 56k to 1.536 Mbps in increments of Nx56 or Nx64 Kbps. These DSUs operate on point-to-point or Frame Relay networks. The DataSMART 656 and 658 are easy to install and maintain using the front panel LCD display or via Telnet or SNMP. The front panel LCD and LEDs indicate signal status and alarms while multiple loopbakcs aid troublehsooting. Independent BERT functionality allows the user to send and detect varying test codes. Fully SNMP compliant, the DataSMART 656 and 658 can be managed by any SNMP manager. Built in Ethernet and RS-232 control ports provide management interface for local management. In-band management allows end-to-end visibility in most networks.

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