61200.130L1-1 FSU User Manual 3Chapter 1. Introductionrelay DTE MIB), RFC 1213 (MIB II), and ADTRAN EnterpriseMIB.• DCE port supporting rates of up to 512 kbps.• Optional integrated 56/64 DDS DSU/CSU.• Telnet-provided remote terminal management control.• FLASH code space for easy software upgrades.DDS OPERATIONDDS is a nationwide service that allows interconnection andtransportation of data at speeds up to 64 kbps. The local ex-change carriers provide the local loop service to DDS customersand may provide data for routing Inter-LATA to aninterexchange carrier. With the optional integrated 56/64 DDSDSU, the FSU supports the 56/64 kbps DDS service rate yieldingDTE rates of 2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64 kbps.56/64K DDS DSU OPTIONThe FSU is available with an optional integrated 56/64k DSU(part number 1200130L2). This gives the unit the ability todirectly connect to a frame relay network via a 56 or 64k DDScircuit.SNMP MANAGEMENTSNMP management capability is provided inband with supportfor RFC 1315 (frame relay DTE MIB), RFC 1213 (MIB II), andADTRAN Enterprise MIB. Telnet capability is also supported.For non-SNMP environments, VT 100 and front panel operationis supported.