Cisco Octal-Port DMT ATU-C Line Card Information Manual page 28

Glossary
Cisco Distributed Defect Tracking System.
DDTS
See DS3.
digital signal level 3
See DDTS.
Distributed Defect
Tracking System
digital signal level 3. Framing specification used for transmitting digital signals at 44.736 Mbps on a
DS3
T3 facility.
Digital Subscriber Line Access Multiplexer. Concentrates and multiplexes digital subscriber line
DSLAM
signals at the telephone service provider location to the broadband wide area network.
Replaces ADSLAM.
F
A packet as it is transmitted over a serial line. The term derives from character oriented protocols
frame
where special start-of-frame and end-of-frame characters were added when transmitting packets.
File Transfer Protocol. The Internet protocol (and program) used to transfer files between hosts.
FTP
G
The ITU standard for line coding and framing for splitterless, reduced spectrum ADSL. Also known
G.992.2
as G.lite.
The ITU standard for signalling, identification, and negotiation between broadband systems; an
G.994.1
integral part of G.dmt and G.lite. Also known as G.hs.
The ITU standard for performance monitoring on DMT access technologies.
G.997.1
Pseudonym for G.992.1.
G.dmt
Pseudonym for G.994.1. HandShake (hs)
G.hs
Pseudonym for G.992.2
G.lite
H
Part of the procedure to set up a data communications link. The handshake can be part of the
Handshake
protocol itself or an introductory process. The computers wishing to talk to each other set out the
conditions they can operate under. Sometimes, the handshake is just a warning that a communication
is imminent.
I
Internet Protocol. The network layer protocol for the Internet Protocol suite.
IP
Cisco IOS Release 12.1(6)DA
28
Octal-Port DMT ATU-C Line Card