Glossary
61200176L1-1
Express 6100/6120 User Manual
Glossary-3
of varied frequencies as with traditional analog transmission systems.
Digital techniques provide more efficient use of transmission facili-
ties, resulting in lower error rates and costs than analog systems.
digital hub
Designated office where DDS channels are interconnected and where
synchronous network timing, testing access, and additional service
features are provided.
Ethernet
A local area network used for connecting computers, printers, work-
stations, a terminals, servers, etc., within the same building or cam-
pus. Ethernet operates over twisted wire and coaxial cable at speeds
up to 10 Mbps. Ethernet specifies a CSMA/CD.
four-wire circuits
Telephone lines using two wires for transmitting and two wires for re-
ceiving, offering much higher quality than a 2-wire circuit. All long
distance circuits are 4-wire. Almost all local phone lines and analog
phones are 2-wire.
group 4
A high-speed (56 kbps) facsimile protocol specific to ISDN.
hop count
A routing metric used to measure the distance between a source and
a destination. Particularly used by RIP.
hub
(1) Communications center, (2) Major routing station for connecting
channels, (3) DDS connecting center.
Содержание Express 6100
Страница 1: ...Express 6100 6120 IDSL Router Bridge Part Numbers 1200176L1 L4 Document Number 61200176L1 1B July 2000...
Страница 16: ...xvi Express 6100 6120 User Manual 61200176L1 1 Table of Contents...
Страница 18: ...xviii Express 6100 6120 User Manual 61200176L1 1 List of Figures...
Страница 20: ...xx Express 6100 6120 User Manual 61200176L1 1 List of Tables...
Страница 22: ...Quick Startup Guide Quick Start 2 Express 6100 6120 User Manual 61200176L1 1...
Страница 34: ...Chapter 2 Installation 2 2 Express 6100 6120 User Manual 61200176L1 1...
Страница 110: ...Chapter 3 Terminal Menu Operation and Structure 3 76 Express 6100 6120 User Manual 61200176L1 1...
Страница 112: ...Chapter 4 Specifications 4 2 Express 6100 6120 User Manual 61200176L1 1...
Страница 126: ...Appendix B Log Messages B 12 Express 6100 6120 User Manual 61200176L1 1...
Страница 130: ...Appendix C SNMP C 4 Express 6100 6120 User Manual 61200176L1 1...
Страница 136: ...Appendix E Terminal Mode Commands E 4 Express 6100 6120 User Manual 61200176L1 1...
Страница 140: ...Acronyms Acronyms 4 Express 6100 6120 User Manual 61200176L1 1...
Страница 160: ...61200176L1 1 Express 6100 6120 User Manual Index 8 Index...