T

TCP/IP Transmission Control Protocol / Internet Protocol – A standard for networking over unreliable transmission paths. See also UDP.

TDMA Time Division Multiple Access – A multiple access technique where users contend for access to a common channel on a time-shared basis. See also FDMA and STDMA.

STDMA This is an acronym for Selective Time Division Multiple Access - A multiple access technique where users time-shared access to a common channel with selective sized time slots allocated on usage.

TFTP Trivial File Transfer Protocol – A simple file transfer protocol used over reli- able transmission paths. See also FTP.

TPI TransParent Interface - As a message arrives at its destination, the SDMS-II decodes the token and forwards the data to a port known as TPI

Tx Transmit.

U

UDP User Datagram Protocol – A standard for networking over reliable transmission paths.

UDP A multicast transmission using the UDP protocol. Multicast

V

VESP Vipersat External Switching Protocol is a switch-request protocol which allows both Vipersat and other manufactures to participate in a VMS controlled network

VMS VIPERSAT Management System VoIP Voice over IP

VOS Vipersat Object Service

E-8

Vipersat CDD-564L User’s Guide

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Cables to Go CDM-570L manual Vipersat CDD-564L User’s Guide