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TN1650B Memory

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The TN1650B is a bus slave on the processor bus with 32 Mbytes of Dynamic Random Access Memory (DRAM) and error detection and correction circuitry. The Switch processing Element (SPE) design permits...

TN1655 Packet Interface for Definity R Only

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The TN1655 provides the communication path between the Switch Processing Element (SPE) and the packet bus in the PPN. This path is used by the EPNs and Center Stage Switch (CSS), via Expansion...

TN1656 Tape Drive

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The TN1656 contains a Small Computer System Interface (SCSI) tape drive that stores 3 Mbytes to 120 Mbytes of system software, including customer translations, bootstrap image, and any core dumps.

TN2181 16-Port Digital Circuit Pack

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The TN2181 has 16 Digital Communications Protocol (DCP) ports that can be connected to 2-wire terminals such as the 8400-series digital voice terminals and the 302B1 attendant console. The TN2181...

TN2182 Tone Clock

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The TN2182 Tone-Clock integrates the tone generator, tone detection, system clock, and synchronization functions onto one circuit pack for use in standard, high, and critical reliability systems. The...

TN2198 ISDN-BRI 2 Wire U Interface

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The TN2198 circuit pack allows connection to the ANSI standard 2-wire U-Interface. In line-side BRI applications, connect an NT1 at the other end of the U-Interface. The NT1, in turn, connects to...