VePAL TX300
Quick Reference Guide
SONET BERT
7. Configure the Structure for SONET mapping.
Configuration
(cont’d)
8. Configure the Payload.
To configure fields that
require alpha or alpha-
numeric entry, such as
Frequency Offset and
STS channel selection,
a configuration keypad
will appear when the
applicable field is selected.
Payload TX will appear
if Bulk selection is OFF
in the Structure setting.
In Channel Selection,
enter the STS-N, VT-GRP,
VT-1.5 SPE channel.
Keypad will appear when
the field is selected.
Mapping:
Select the
mapping to test
Bulk:
In bulk mode, the
entire VT container is filled
with a test pattern per ITU-T
0.181 recommendations
Tributary:
Set to DS1, E1,
DS3, or E3 depending upon
mapping
