DT Etherlink IV
User Manual
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4.6.4 Fault and Maintenance Management Menu
After typing “2” in the main menu and pressing <enter>, the following message is displayed:
Fault and maintenance management activated
Enter 'M' to return to MAIN, or 'H' for HELP information
CO_PM>
4.6.4.1 <H> Command
Type <H> and the monitor lists all available commands in the fault and maintenance sub-menu. If
you type H [command] you will get additional help on [command].
CO_FMM>H
-------------------------------------------------------------------------------
Type 'H [command]' to get additional help on [command]
NM Trace xDSL noise margin
STATUS Show current DSL working parameters
STATUS T Show current DSL working parameters continuously
STATUS L Show current DSL and LINK payload parameters
STATUS ETH Show Ethernet status
STATUS EXT Show Nx64 status
LOOP1 [ON/OFF] [N] Start/stop local loopback at Nth E1 interface
LOOP2 [N:[A/R]] [ON/OFF] Starts/stops the remote loopback at Nth xDSL interface
ALARM Display alarms
ALARM T Display alarms continuously
ACO Show alarm cutoff configuration
ACO [GROUP] [ON/OFF] Change alarm indication for alarm group GROUP
STARTAL [N] Toggles Nth xDSL channel the analog loopback ON/OFF
RESTART [N] Restart Nth xDSL channel
RESET Reset modem
APPLY [ALL/GROUP] Apply changes to running configuration
CONFIRM Confirm running configuration
BACKUP Backup running configuration
RESTORE Restore startup configuration from backup
DIFF [N/R/S/B] [N/R/S/B] Show difference between configurations
DUMP [N/R/S/B] Dump selected configuration
LOAD Load configuration via XModem
TLM Show external alarm status
TLM D Show external alarm reaction
TLM S [N:Rnn-Rkk] [ABC] Set up external alarm reaction
TLM C Clear external alarm table
CONNECT [N:[1-13/R]] Establish connection to remote unit
LINK [NN] Establish local connection
LINKCLEAR Exit all local connections
SOFTUPDATE Update software
TFTP [CMD] [ARG1][ARG2]
Perform maintenance over TFTP
SOFTCONFIRM Confirm uploaded software
SOFTINFO List loaded software
PING x.x.x.x PING host
M Return to Main Menu
H Show available commands
-------------------------------------------------------------------------------
CO_FMM>
4.6.4.2 <NM> Command
The <NM> command displays the ITU-T G.991.2 Noise Margin. It means the maximum possible
increase in the Noise Margin for which the BER is expected to be not less than 10
-7
[dB].
CO_FMM>NM
Channel: DSL1 DSL2 DSL3 DSL4
SHDSL NM: 10.5 11.5 10.5 10.0 dB
SHDSL NM: 10.5 11.5 10.5 10.0 dB
SHDSL NM: 10.5 11.5 10.5 10.0 dB
CO_FMM>
The number of columns is equal to the number of SHDSL channels of the device.
A normal quality of a SHDSL data transmission is possible
for NM ≥ 6 dB.
