ADTRAN's full line of cost-effective single-port TSUs provide
an interface between T1 or Fractional T1 service and the end user's
Data Terminal Equipment (DTE) for applications such as LAN to LAN
connectivity, Frame Relay circuit termination and dedicated
videoconferencing. ADTRAN's TSU Multiplexer Series redefined the T1
multiplexer marketplace in 1994. Today, this equipment is some of the
most reliable and respected for aggregating multiple voice only or
voice and data services onto T1 or FT1 bandwidths. The intelligent TSU
and TDU devices offer either one (1XX series) or six (6XX series)
expansion slots, with up to four interfaces per slot. More than thirty
plug-in and plug-on modules are available to support analog voice,
Nx56/64 data, subrate data, disaster recovery, and other applications.
The "e" series devices additionally include SNMP management via a SLIP
or 10BaseT port, an enhanced terminal screen, and N-Form
support.
T1 CSU and single-port DSU/CSUs
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