Dbu Timers; Fail Timer (Fail Tmr); Restore Timer (Restore Tmr); Redial Counter - ADTRAN TSU IQ+ User Manual

Chapter 8. Configuring DBU Options

DBU TIMERS

Fail Timer (FAIL TMR)

This option sets the amount of time the dedicated circuit failure
condition must be active before the TSU IQ+ attempts backup. The
value entered is multiplied by 10. The amount of time can be up to
990 seconds (i.e., an entry of 99). The factory default setting is 10
seconds (an entry of 1).

Restore Timer (RESTORE TMR)

Once the T1 circuit is down, the TSU IQ+ remains in backup until
the T1 circuit is active for the length of time specified for the restore
timer. The selection is entered in minutes (up to 255). If set to 0, the
line must be restored manually. The factory default setting is 1
minute.

Redial Counter

This option sets the number of times the TSU IQ+ redials the far
end when entering backup mode. The redial count, which is
manually entered, can be up to a maximum of 99 attempts. If the
TSU IQ+ encounters a busy or reorder, it attempts to establish the
call the specified number of times. The factory default setting is 5.

Wait to Redial (REDIAL DELAY)

This option works in conjunction with the preceding R
C
connect the backup line. The amount of time, which is manually
entered, can be up to 99 seconds. The factory default setting is 15
seconds.
8-6
. It selects the amount of time between redial attempts to
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TSU IQ+ User Manual
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