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Vista pulled in the crowds at this year’s IFSEC event with a range of exciting new IP products, developed to satisfy different levels of demand in the market.
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Technical support > Support selection > Glossary

Glossary

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100BASE-T A high-speed version of Ethernet (IEEE 802.3). Also called Fast Ethernet standard, 100BASE-T transmits at 100 Mbps.
20mA Current loop A type of serial communication in which the presence or absence of an electrical signal indicates the state of the bit being transmitted.
2B+D ISDN’s basic service is called Basic Rate Interface or BRI. BRI is made of two 64-kbps B channels and one 16-kbps D channel (2B+D).



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