Adtran 1200305L1 Manual Do Utilizador

Section 4, User Interface Guide

ATLAS 550 System Manual

308

© 2002 ADTRAN, Inc.

61200305L1-1F

This forces the backup state of this endpoint. This is a configuration setting, so it will retain its value until 
it is changed. To temporarily force an endpoint into backup, or to force a restore, try the Manual activator.

Criteria for automatic backup. Note that this setting affects the available options for 

This only applies to originating endpoints. These are criteria for automatically coming out of backup. Note 
that 

is only available when a backup criterion is not 

The amount of time to wait after creating or changing the endpoint before allowing backup. 

The amount of time to delay after detecting an alarm before going into backup. This only applies to 
originating endpoints. If the circuit comes out of alarm before this time has expired, the endpoint will not 
go into backup.

DBU is initiated when either the network fails (possible causes include Red, Yellow, 
Blue, or LOS alarms) or when the Nx56/64 module detects a loss of data transitions 
on the V.35 interface. If Net/Data Fail is selected, the V.35 Nx INBAND option 
must be ON. The remote TSU INBAND option must also be enabled. 

DBU is initiated when there is a network failure. Possible causes include LOS, 
RED, Yellow, or Blue alarms. 

The ATLAS will never initiate DBU until it is manually set to do so. 

When network is out of alarm

Only by the Manual activator