Lucent Technologies SLC ConnectReach User & Service Manual page 532

Glossary 363-208-050
WWW — World Wide Web. A system of Internet servers that support specially formatted documents. The
documents are formatted in a language called hypertext markup language (HTML) that supports links to
other documents, as well as graphics, audio, and video files. This means you can jump from one document
to another simply by clicking on hot spots.arrier after the analog
X
Xmodem — One of the most popular file-transfer protocols. Although Xmodem is a relatively simple
protocol, it is fairly effective at detecting errors. It works by sending blocks of data together with a
checksum and then waiting for acknowledgment of the block's receipt. The waiting slows down the rate of
data transmission considerably, but it ensures accurate transmission.ciated with a particular
Y
Yellow Alarm— A yellow alert is a T1 alarm signal sent back toward the source of a failed transmit circuit.
The alert sends zeros in bit two of all time slots. Also see RAI.
Z
ZBTSI — Zero-Byte Time-Slot Interchange. Used with T-carrier extended superframe format (ESF). One
area of the ESF frame carries information locating eight consecutive zeros in the data.
GL-14
Issue 4 June 2002