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Technical support > Support selection > Glossary
Glossary

| 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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