Anrtisu Cell Master MT8212B, User Manual, Page: 202 / 294

Inserting Errors
Step 9. To insert a setup error, press the
Insert Errors
soft key to inject errors in the
transmit signal. Figure 7-9 displays the T1 measurement when errors are in-
serted. The errors are displayed on the right side at the bottom of the display.
Activating Loopback Code
Step 10. Press the
More
soft key to activate the Loopback menu.
Step 11. Press the
Self Loop Up
or the
Remote Loop Up
soft key depending on the loca-
tion to activate the loopback code.
Step 12. Press the
Self Loop Down
or
Remote Loop Down
soft key to stop the loopback
code.
Chapter 9 T1 Measurements
9-11
Figure 9-9. T1 BERT Measurement Display with Errors Inserted