Refurbed Only!
Toshiba Strata RDTU2 T1/DS-1 Interface Unit with up to 24 Digital Voice Channels. It provides up to 24 digital voice channels for T1 service. An NDTU cable is required to connect the RDTU2 to the external CSU. There is a maximum of 2 for RCTUBA/BB systems and 6 for RCTUC/D systems. The RDTU2 comes with a full one year warranty.