The TSU 600 is the modular, full-featured T1/FT1 Multiplexer designed to support a wide range of end-user applications. Through the six expansion slots on the rear of the TSU 600, the user has complete flexibility in the type of DTE interfaces required for the T1 application. By supporting up to 24 DTE interfaces, the TSU 600 provides the same functionality as a traditional channel bank, while providing a small form factor and end-user oriented features. The TSU 600 provides complete monitoring and control of internal functions with embedded Simple Network Management Protocol (SNMP) provided through a SLIP interface.??Support for future growth, through the unit's six expansion slots, is a key feature of the TSU 600. The ability to combine many types of plug-in and plug-on modules provides extensive combinations of voice and data interfaces. Several data modules are available for single and dual-port access to Frame Relay, DDS or Basic Rate ISDN services provided over T1 facilities....