Verilink AS2000: The Basics (880-502981-001) Product Manual Manual de usuario Pagina 160

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Acronyms and Definitions
Glossary-40 Verilink Access System 2000: Basics
Q
Q.931 Channel A parameter which specifies the
connection protocol for the
channel being configured. These
settings must match the settings
used on the other side of the
communications connection.
Q.931 Dialing String The complete phone number being
called.
Q.931 Protocol Optional channel protection
protocol developed by MCI.
QRSS See quasi-random signal sequence.
QUAD 2164 A 4-port T1 or E1
Channel
Service Unit (CSU)
which contains
4 CSUs.
QUAD/IMUX module A module that forms a single
system for distributing data from a
high-speed source over multiple
circuits for a maximum of 12
Mbit/s over 8 T1s or 16 Mbit/s
over 8 E1s.
quasi-random signal sequence (QRSS) A test pattern widely used to
simulate voice signals. One of four
test patterns sent from the CSU. It
is used to diagnose problems with
either equipment or the telco line.
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