Actelis Networks ML700 - DMT Band Details

Copper Line Monitoring Monitoring
ML700 User Manual 13-49
Line Inventory is available in –O models only and provides information on the peer side (–R
unit)
Field name
Description
Port
Port identification
Location
Always FEND (Far End)
Serial Number
Serial number of the equipment where the modem port is detected.
CLEI
CLEI (catalog code) of the equipment where the modem port is detected.
Model
Model of the equipment where the modem port is detected.
HW Version
Hardware Version of the equipment where the modem port is detected.
SW Version
Software Version of the equipment where the modem port is detected.
Data
Indicates if the displayed data is current.
System Vendor ID
ATNW = Actelis Vendor
DMT Band Details
NOTE: Refer to MLP PM Counter Types for details on counters.
SNR Margin and Attenuation are main copper line performance characteristics. These are
monitored per modem per second. SNR is automatically controlled to be never less than
Baseline SNR + 1dB, (which guarantees reliable data transport, i.e. maintains a BER of 10-
7). If SNR on a modem is less than defined above, then the modem will be automatically
adjusted in rate to comply with required SNR margin (either via SRA, Seamless Rate
Adaptation, if enabled or via modem initialization). Using this self-recovery mechanism, the
system avoids false alarms and unnecessary human intervention.
Alarm indication behaves as follows:
 LOWSNRM Alarm is raised on crossing threshold down (SNR margin becomes equal or
less than the threshold value);
 LOWSNRM Alarm Clearance is sent on crossing threshold up (SNR margin becomes
larger than the threshold value by at least 1 dB);
 HIATTN Alarm is raised on crossing threshold up (Loop attenuation becomes equal or
higher than the threshold value).
 HIATTN Alarm Clearance is sent on crossing threshold down, usually after modem
synchronization (Loop attenuation becomes larger than the threshold value by at least 1
dB).