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The DSU IV ESP All-Rate DSU with SNMP and Dial Backup provides DDS connectivity to your Frame Relay or LAN. The unit supports synchronous (2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64Kbps) and asynchronous (2.4, 4.8, 9.6, 19.2, 38.4, and 57.6Kbps) data rates and provides a DB25 EIA-232 interface and a 34-pin V.35 interface for connection with your DTE equipment. Two additional ESP option slots are provided for flexible configuration of automatic or manual dial backup with ESP DBU cards that include 4-wire switched 56, V.34, and ISDN options.
The DSU IV ESP features full embedded SNMP and Telnet support via SLIP (Serial Line Internet Protocol) or PPP with an optional 10BaseT Ethernet port as well as support for standard loopback commands. Time of day and weekend dial backup lockout options are also available. The device is packaged with (2) 8-pin to 8-pin modular cables and a modular to female DB25 adapter. The DSU IV ESP is covered by a standard 5-year warranty from ADTRAN.