Setup
236 FTBx-88000 Series
BERT - DCO BERT
BERT - DCO BERT
From the test menu, tap Setup, Test Configurator, the Client block and
the BERT tab.
Client, available with multiple link client (ex. 4 x 100GE), allows
selecting the client to be displayed.
Enable check box when selected (default), includes the selected
client in the test. At least one of the clients must remain enabled.
LINK
Note: Only available with Ethernet clients.
A green/red arrow is used to indicate the status of the link at the PCS level:
link up (green arrow); alarms at the PCS level, the link is down (red arrow).
The Local Fault Detected, Local Fault Received, Remote Fault, LOA, and
Hi-BER alarms are displayed; refer to Ethernet on page 898 for more
information.
Pattern
Coupled RX to TX check box, when selected (default), couples both
the TX and RX signal with the same test pattern. Enabled and dimmed
for OTUCn clients.
No Pattern Analysis (Live) check box when cleared (default),
monitors the received traffic pattern. For live traffic, the No Pattern
Analysis (Live) check box should be selected as the traffic is a live
pattern thus there is no analysis of pattern loss and bit error.
TX Pattern / RX Pattern allows selecting the test pattern for each
direction: PRBS31 (default) or Null Client.
TX Pattern / RX Pattern is set to PRBS31 for Ethernet clients.
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