User's Manual

C-1
Appendix C Description of Terms
10BASE-T
An Ethernet interface having a bandwidth, which provides a transmission rate, that may
go up to 10 Mbps using a Category 5 cable.
ATU-C (ADSL Transceiver-Central Office)
A central unit managed by an ISP(Internet Service Provider) for connection of ADSL
subscriber lines.
ATU-R (ADSL Transceiver -Remote Terminal)
A subscriber terminal which is connected to ATU-C through a telephone line, which
processes ADSL service.
ADSL (Asymmetric Digital Subscriber Line)
A device providing a high-speed data interface to the Internet, and other services,
through a telephone network. This does not influence existing telephone service. 데이
터 전송속도는 전송거리 및 ATU-C 및 서비스 종류에 따라 차이가 있으며 다운로드 속
도는 640Kbps 에서 8Mbps, 업로드 속도는 16Kbps 에서 800Kbps 입니다..
ATM (Asynchronous Transfer Mode)
One of the communications transfer modes. A control mode in which a series of
terminals can simultaneously send data while a terminal is sending data, thereby
allowing a series of terminals to share a single transmission line for communication.
Bridge
A functional unit interconnecting two or more local area networks (LANs) that uses the
same link protocol. The bridge not only transmits but also filters packets. The bridge
usually operates on a Data Link Layer when it transmits packets.
DMT (Discrete Multi-Tone)
A modulation technique of segmenting and transmitting a large amount of data by way of
Multi-carrier, in which a carrier frequency band is multiplexed, thereby realizing optimal
performance on a Loop.