Lucent Technologies MERLIN LEGEND Release 5.0 Installation Manual page 320

MERLIN LEGEND Communications System Release 5.0
Installation 555-650-140
Glossary
B
B8ZS
backup
bandwidth
barrier code
basic carrier
baud rate
B-channel
Bearer-channel
(bipolar 8 zero substitution) Line-coding format that
encodes a string of eight zeros in a unique binary
sequence to detect bipolar violation . See also
signal.
Procedure for saving a copy of system programming
onto a floppy disk or memory card . See also
Difference, expressed in hertz, between the highest
and lowest frequencies in a range that determines
channel capacity.
Password used to limit access to the Remote Access
feature of the system.
Hardware that holds and connects the processor ,
power supply , and up to five modules in the system.
See also expansion
Strictly speaking, a measurement of transmission
speed equal to the number of signal level changes
per second. In practice, often used synonymously
with bit rate and bps .
(Bearer-channel) 64-kbps channel that carries a vari-
ety of digital information streams, such as voice at 64
kbps, data at up to 64 kbps, wideband voice
encoded at 64 kbps, and voice at less than 64 kbps,
alone or combined .
See B-channel.
carrier.
Issue 1
June 1997
Page GL-5
bipolar
restore .