  Adtran Stand-alone T1 DSU/CSU with Single V.35 Interface 1200060L2
The Adtran TSU is a low-cost, full-featured T1 / FT1 data service unit / channel service unit ( DSU / CSU ). The TSU provides an interface between T1 or Fractional T1 service and the end user's data terminal equipment (DTE) for applications such as LAN-to-LAN bridging, Frame Relay circuit termination and video-conferencing. The TSU provides access to traditional dedicated point-to-point T1 services as well as network termination for Frame Relay. For configuration and testing, the TSU provides the capability to control a remote TSU through the T1 FDL channel. If the FDL channel is unavailable, the TSU can use 8 kbps of the data traffic to provide configuration and control of the remote unit. The in-band control channel is used on an as-needed basis and is automatically controlled by the TSU. Product Features: Single V.35 DTE interface Synchronous DTE rates in increments of 56kbps or 64kbps up to 1.536 Mbps Auto and Manual D4(SF) or ESF framing support B8ZS or AMI line coding Easy to use front panel keypad for unit configuration Remote configuration from host TSU via FDL or 8k in-band Local and remote loopback capability Extensive built in test capabilities Bantam test jacks Support for T-Watch PRO software for optional PC based configuration Five-year North American warranty
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