ADTRAN TDU 120e User Manual page 88

Chapter 5. Configuration Menu
5-26
NET/DATA FAIL
Backup occurs on the same conditions as NET FAIL
plus loss of data transitions on the data the Nx56/64
receives from the network.
Pattern Verify
Selects whether or not the DBU will use its pattern
generator and receiver to authenticate backup
attempts. When the local and remote units are both
Nx/DBUs, set to E
Choices: E
NABLE
Backup Delay
Selects the time allowed to elapse between the net-
work going into alarm or no data transmissions and
the backup beginning.
Choices: 1
SEC
10
MIN
Restore Delay
Selects the time that elapses between the network
going out of alarm or data being received and the
backup call being taken down. If N
the user must deactivate the backup mode.
Choices: 1
SEC
10 ,
MIN NEVER
Retry Delay
Selects the time between redialing the external DCE
after failed dial attempts.
Choices: 10
SEC
Num Retries
Selects the number of times the DBU will attempt to
redial if unable to connect.
Choices: N
ONE
TDU 120e User Manual
; otherwise set to D
NABLE
, D
ISABLE
, 3 , 10 , 30
SEC SEC
, 3 , 10 , 30
SEC SEC
, 30 , 1 , 5
SEC MIN
, U , 3
NLIMITED TIMES
.
ISABLE
, 1 , 5 ,
SEC MIN MIN
is selected,
EVER
, 1 , 5 ,
SEC MIN MIN
, 10
MIN MIN
, 10 .
TIMES
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