Application Views Adtran DSU IV Application (AdDSUIVApp)
Device Management Page 94 Adtran DSU/CSU
DBU Configuration View
Access: From the Icon Subviews menu for the
AdSUIVApp, select DBU Configuration.
This view displays the following information.
DBU Option
This specifies whether the unit automatically
enters dial backup mode or waits for manual
setup.
DBU Mode
This option specifies the dial backup operating
mode for the unit as originate or answer. One
must be set to originate and the other end to
answer.
Out of Service Option
This option enables the unit to enter backup
mode if an out-of-service condition is detected
from the network.
Loss of Receive Signal Option
This option enables the unit to enter backup
mode when a loss of receive signal is detected
from the network.
Loss of Sealing Current Option
This option enables the unit to enter backup
mode when a loss of sealing current is detected
from the network.
On Pattern Option
This option enables the unit to enter backup
mode when a pattern of all ones or zeros is
received that exceeds the DBU Fail Timer. If this
condition is detected, the DSUIV initiates a
handshake operation with the remote unit to
determine if the DTE is transmitting a constant
data pattern or the network has failed.
Pass Check
This option allows the unit to send and verify a
dial backup passcode for an additional level of
security. When enabled, the originate unit sends
the passcode and the answer unit checks the
passcode before the backup connection is
considered valid.
Pass Code
This option sets the dial backup passcode used to
provide an additional level of security. A passcode
of one to ten digit characters can be set. If
enabled, the originate unit sends the passcode
and the answer unit checks the passcode to verify
the connection.
Answer Always
This option enables or disables Answer Always for
Dial Backup operation. If enabled, the answer
unit answers any incoming call regardless of
failed conditions.
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