Black Box DESKTOP TELCO, Руководство пользователя

Страница: 34 / 66

TELCOLINK DT - AccessDSL NTU
User Manual
Version: 2.5 Page 34 of 66
7.2.9.4 ALARM Command
SYNTAX: ALARM or AL
The ALARM command displays the actual alarm status:
CO_01_FMM> ALARM
----------------------------------------------------------------------
Local Alarm Status
----------------------------------------------------------------------
LOS-S : off
LFA-S : off
AIS-S : off
AIS-R : off
BER-S : off
DTR-OFF : off
LOS/LFA-H : off
SEGD : off
BER-H : off
LOOP1_E1 : off
LOOP1_Nx64: off
LOOP2 : off
ALB : off
TEST : off
-----------------------------------------------------------------------
CO_01_FMM>
Options:
T Turns alarm trace on / off
Definitions:
LOS-S: Loss of signal at subscriber (E1) side
LFA-S: Loss of frame alignment at subscriber (E1) side
AIS-S: AIS (Alarm Indication Signal) detected at subscriber (E1) side
AIS-R: AIS (Alarm Indication Signal) detected at subscriber (E1) side of
remote unit
BER-S: Excessive Block Error Rate on subscriber side
If CRC4 enabled : BER-S = on if more than 805 CRC4 Errors per
second.
If CRC4 disabled : BER-S = on if more than 28 FAS Errors per
second.
DTR-OFF: V.35/V.36: DTR input is off
X.21: RTS input is off
LOS/LFA-H: Loss of signal or frame alignment at xDSL loop
SEGD: Segment Defect indication
BER-H:
xDSL block-error-rate according G.826

30%
LOOP1_E1: xDSL test loop 1 active (see section)
LOOP1_Nx64: xDSL test loop 1 active (see section)
LOOP2: xDSL test loop 2 active
ALB: Analog loopback
TEST: At least one test function is active
Note: Units in Multipoint and Dual Pair modes represent data for both xDSL interfaces.