Verilink AS2000: The Basics (880-502981-001) Product Manual Manual do Utilizador descarregar pdf (Página 160)

Acronyms and Definitions

Glossary-40 Verilink Access System 2000: Basics

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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Verilink AS2000: The Basics (880-502981-001) Product Manual Manual do Utilizador Página 160