Carrier Access 5395 Pearl Parkway - Manual (Page 57)

Testing
8-3
8.1.2 Internal BERT Configuration
The Internal Bert Configuration allows you to configure the BERT chip (if enabled) to generate spe-
cific patterns and error rates. Normally, the error rate is left at None, but the BERT pattern can be
transmitted with a known error rate to confirm other test equipment accuracy.
8.1.2.1 Loopback Configuration Settings
You can change configurations at any time.
To update the BERT configuration:
Select configurations for patterns & error rate.
Click Update BERT Config.
Field Input
Pattern
All Ones, All Zeros, Alternating I/0, 1 in 8, QRSS, 511, 2047, 2
15
-1,
2
20
-1, 2
23
-1,
Error Rate
None, 10
-1
- 10
-7