Avaya Configuring WAN Lines Services Uživatelský manuál Strana 272

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Configuring WAN Line Services
9-28
308648-14.00 Rev 00
Enabling or Disabling BERT Mode
To initiate BERT testing, you must enable BERT mode. By setting the BERT
mode parameter, you enable or disable BERT mode on a single logical line for
FE1. You can enable or disable BERT mode on individual logical lines.
Setting the BERT Alarm Type
You can specify the type of alarm signal to be generated while in BERT mode, or
you can disable the generation of alarm signals altogether.
Select AIS (alarm indication signal) to transmit blue alarms (all ones). Select
Yellow to transmit yellow alarms (all zeros).
Setting the BERT Test Pattern
When a port is in BERT mode, it can generate patterns such as: all ones, all zeros,
qrss, two15, two15inv, two20, two23, two23inv.
Specify the bit pattern to be transmitted during BERT diagnostics.
Setting the Line-Coding Method
The FE1 port uses HDB3 transmit and receive line coding by default. You can
select AMI line coding instead.
For a description of these line-coding methods, see “Setting the FE1 Line Coding”
on page 9-7
.
Setting the Line Type
When configuring the line-type setting for an FE1 line, select the appropriate
frame format for testing:
•E1
•E1 CRC
•E1 MF
E1 CRC MF
Unframed E1
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