Carrier Access Network Device Axxius 800 Uživatelský manuál stáhnout pdf (Strana 544)

100

101

Glossary - 12 Axxius 800 - Release 2.2

Glossary

Line Coding Violation (LCV)

Line Coding

Violation

(LCV)

This parameter is a count of both BPVs and EXZs occurring over the

accumulation period. An EXZ increments the LCV by one regardless of

the length of the zero string.

Line Errored

Seconds (LES)

A Line Errored Second is a second in which one or more CVs occurred

OR one or more LOS defects.

Line Interface

Unit (LIU)

Typically, a controller device in a D-type channel bank, that incorporates

a controller, channel service unit (CSU), ringing generator and power

converter on a single card to interface between the T1 network and the

analog functions of the channel bank.

LLC Logical Link Control. A protocol developed by the IEEE 802.2

committee for data-link-level transmission control

LMI Local Management Interface. A specification for the use of frame-relay

products that define a method of exchanging status information between

devices such as routers.

LMU Line Monitor Unit.

LOF Loss of Frame.

LOS Los of Signal.

loop back test Any test in which a test signal is injected at one end of a circuit, is looped

back at the other end, and monitored at the originating end.

loop start (LS) A method of demanding dial tone from the central office by completing

an electrical pathway between the outbound and return conductors of a

telephone line. Loop start is employed by single-line telephone

instruments, for example

loopback A diagnostic test in which a signal is transmitted across a medium while

the sending device waits for its return.

1 2 ... 539 540 541 542 543 544 545 546 547 548 549 ... 567 568

Komentáře k této Příručce

Žádné komentáře

Carrier Access Network Device Axxius 800 Uživatelský manuál Strana 544

Komentáře k této Příručce

Související produkty a manuály pro Sítě Carrier Access Network Device Axxius 800