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Unit Configuration
5-193615-A2-GB20-20 December 1996
Table 5-7
(2 of 2)
Backup Configuration Options
RestorTimOut: 5m
Next Chang Prev
Restoration Time-out
. Length of time the DDS network must be back in service before automatic restoration is
attempted. This configuration option only has an effect at a DSU configured with Automatic Restoration enabled.
Chang — Calls up a data entry display for changing the current value, with a range of 1 to 60 minutes.
TriesTimeOut:15m
Next Chang Prev
Call Attempts Time-out
. Sets an overall time limit for dial backup call attempts upon failure of the DDS network. This
configuration option only has an effect if
Auto Bckup
is set to Enab, or if
DTRCallCon
is set to Orig, regardless of
whether MultiCall is enabled (multiple calling cycle) or disabled (normal calling cycle).
Only 10 call attempts are made for the normal calling cycle. If a call attempt is in progress and the timer expires, the call
attempt will not be aborted.
Chang — Calls up a data entry display for changing the current value, with a range of 1 to 60 minutes.
MultiCall:Disab
Next Enab Disab Prev
Multiple Calls
. Selects the multiple calling cycle in which the DBM steps through the Backup Directory
, attempting to call
each valid dial string in the directory, or selects the normal calling cycle. This configuration option only has an effect if
Auto Bckup
is set to Enab or if
DTRCallCon
is set to Orig.
Enab — The DBM makes one attempt to call the dial string in the directory pointed to in the Backup Directory
configuration option (default is the first dial string in the directory). If the attempt fails, the DBM makes an
attempt to call the next dial string in the directory, and so on until either a call is completed or the DBM
cycles through all the dialed strings in the Backup Directory, ignoring blank entries. The DBM then waits
five minutes and begins the calling cycle again until the TriesTimeOut period expires.
Disab — The normal calling cycle is used: three call attempts, a 5-minute wait, three more call attempts, another
5-minute wait, etc., until the TriesTimeOut period expires.
NOTE: Multicall must not be enabled unless successive telephone numbers in the Backup Directory are dif
ferent. In
addition, duplicate telephone numbers should be avoided. These precautions prevent the DBM from making
excessive call attempts to the same telephone number.