Appendix D. Glossary
61200663L1-1
OSU 300 User Manual
D-11
TDM
time division multiplexing. A technique for transmitting two or more signals at
the same time over a single communication medium. This is accomplished by
allocating channels to the bandwidth for specific increments of time.
Telnet
The standard TCP/IP remote login protocol specified in RFC-854.
transceiver
A combination of transmitter and receiver providing both output and input
interfaces within a single device.
transmission
The signaling of data over telecommunications channels.
V.35
A standard for trunk interface between a network access device and a packet
network that defines signaling for data rates greater than 19.2 kbps.
VT 100
A non-intelligent terminal or terminal emulation mode used for asynchronous
communications. Used to configure the OSU 300.
WAN
wide area network. A communications network serving geographically separate
areas. A WAN typically extends a LAN outside the building to link to other
LANs over telephone lines.
yellow alarm
A T3 yellow alarm is an indication sent back toward the source of a failed trans-
mit circuit in a DS3 two-way transmission path. The X-bits (X1 and X2) are set to
zero.
Содержание 1200218L1
Страница 8: ...viii...
Страница 14: ...Table of Contents xiv OSU 300 User Manual 61200663L1 1...
Страница 18: ...List of Tables xviii OSU 300 User Manual 61200663L1 1...
Страница 24: ...Chapter 1 Introduction 1 6 OSU 300 User Manual 61200663L1 1...
Страница 38: ...Chapter 2 Installation and Operation 2 14 OSU 300 User Manual 61200663L1 1...
Страница 64: ...Chapter 4 Status 4 8 OSU 300 User Manual 61200663L1 1...
Страница 72: ...Chapter 5 Statistics 5 8 OSU 300 User Manual 61200663L1 1...
Страница 104: ...Appendix C Acronyms Abbreviations C 4 OSU 300 User Manual 61200663L1 1...
Страница 116: ...Appendix D Glossary D 12 OSU 300 User Manual 61200663L1 1...
Страница 122: ...Index Index 6 OSU 300 User Manual 61200663L1 1...