Unit installation

Chapter 6 Troubleshooting and Diagnostics Installation and Operation Manual

6-2 Monitoring Performance FCD-E1

5. Bring the cursor to the right-hand field of the top row.

6. Scroll to display SL; the second row shows the first performance item for the

sublink, and its current value. The displayed item depends on the link type

and framing mode.

7. Repeat steps 3, 4 to see the other statistics of the sublink; the second row

shows the current value of the next item. Continue until the first item appears

again.

Resetting the Performance Data Registers

The registers storing diagnostics data can be reset. To reset a register, display the

the register name) and press ENTER. To ensure that the collected data remains

meaningful and correlated after a specific register is reset, FCD-E1 automatically

performs the following operations:

• Since the data collected on a given link for the current interval and for the

current 24-hour interval is correlated, pressing ENTER while any of the

following CURR or L.TERM data items is displayed clears all the performance

diagnostics registers, not only that appearing on the display: ES, UAS, SES, BES,

LOFC, CSS, and the registers for CURR SECS, CURR DEG MIN, LST DEG MIN,

and L.TERM INT.

• In case the ERROR CRC register of a given link is reset, the AVG ERR CRC

• In case the BPV COUNT register of a given link is reset, the BPV WORST

The only register that can be reset independently of the other registers is the

ERROR EV register (available for links with ESF framing).

Displaying the Performance Data on a Supervision Terminal

The performance data can be displayed on the supervision terminal by means of

the DSP PM command and for CRC-4 disabled by means of the DSP ST ML

command, as explained in Appendix D.

By adding the /CA switch to the command, you can reset all the performance

diagnostics registers.