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Access Navigator - Release 1.8 August 2003 15-7
Diagnostics & Troubleshooting
BERT Log
BERT Log
Using CLI commands, the Access Navigator can perform a variety of Bit Error Rate Tests. BERT data
is recorded in a separate log file, which can be displayed using the CLI log bert command (see Log
BERT on page 18-40). Filtering options allow the user to display selected events. The Access Navigator
records the following BERT data.
l FBE – Number of Frame Bit Errors in one-second interval
l BE – Number of Bit Errors in one-second interval
l CRC – Number of Cyclical Redundancy Check errors in one-second interval
l BPV/LCV – Number of Bi-Polar Violations and Line Code Violations in one-second interval
Syntax: log bert
Displays only BERT events.
Syntax: clear bert log
Erases all data in the BERT log file.
TMC Log
The Access Navigator / GR-303 records Timeslot Management Channel data for the most recent 200
error reports in a separate log file. TMC data can be displayed using the CLI log tmc command (see
Log TMC on page 18-43). Command options allow the user to display data for permanent (off-hook)
call states and specific CRV numbers.
Syntax: log tmc
Displays all configuration events.
Syntax: log tmc permanent
Displays only TMC events for permanent (off-hook) call states.
Syntax: log tmc crv <value>
Displays only CRV events for a specific value, 1 to 768.