Product Description:
The ADTRAN T1 Data Service Unit (TSU), RM (rackmount) version for the Smart 16 shelf, provides a reliable, high-speed data connection from customer synchronous data terminal equipment (DTE) through T1/FT1 lines.
The TSU serves as the link between user data sources such as LAN bridges and routers, computers, CAD systems, and teleconferencing equipment. The amount of bandwidth allocated to the port is user-programmable at Nx56 or Nx64kbps where N = 1 to 24. The DTE data can occupy contiguous or alternate channels in the T1 stream and the channels may start at any position. The DTE port provides a V.35 electrical and physical interface.
The network interface may be either D4 superframe format (SF) or extended superframe format (ESF) and the line code may be straight AMI or B8ZS. In the case of a fractional connection, the unused channels of the T1 are filled with all 1s idle code.
The TSU RM consists of two cards. The first is the TSU main card, which has a front panel with nine LED indicators. The second card is the TSU interface, which mounts on the rear of the shelf and contains all the jacks necessary for connection to the network, test jacks, and the DTE connector.
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