Instruction manual
Tests
4-32
Installation, SPM, Maintenance, and Troubleshooting Supplement
Menu: Maintenance→Slot→Slot#→Enter→Demand test→Bert 
test
→Individual→Type the channel no.→Enter→QRSS or 3 in 24 or 
All zeroes or All ones. 
To cancel the test, press Back. 
Bert Test Options 4
The following table describes the available BERT test options:
Table 4-9.  BERT Test Options
Test Options Description
QRSS This produces a quasi random test pattern. 
To monitor the test, press 
→Monitor. To refresh 
the monitoring information, press 
→Back, and re-
select 
→Monitor. This does not affect or 
terminate the test.
3 in 24 This produces a bit pattern consisting of 3 ones in 
24 (one, three zeroes, one, three zeros, one, and 
fifteen zeroes).
To monitor the test press 
→Monitor. To refresh 
the monitoring information, press 
→Back, and re-
select 
→Monitor. This does not affect or 
terminate the test.
All zeroes This produces a test pattern of all zeroes.
To monitor the test, press 
→Monitor. To refresh 
the monitoring information, press 
→Back, and re-
select 
→Monitor. This does not affect or 
terminate the test.










