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COMSPHERE 3550 Series Data Service Units
5-22 February 1995 3550-A2-GB20-10
Table 5-9
(2 of 2)
Backup Configuration Options
RestorTimOut: 5m
Next Chang Prev
Restoration Time-out
(only displayed when Full Mode is enabled). Specifies the length of time the DDS network must be
back in service before automatic restoration is attempted. (
Auto Restor
must be enabled.)
Chang — Select to enter or change the current setting (range of 1 to 60 minutes).
TriesTimeOut:15m
Next Chang Prev
Call Attempts Time-out
(only displayed when Full Mode is enabled). Sets an overall time limit for dial backup call
attempts when the DDS network fails.
Auto Bckup
must be enabled, 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 — Select to enter or change the current setting (range of 1 to 60 minutes).
MultiCall:Disab
Next Enab Disab Prev
Multiple Calls
(only displayed when Full Mode is enabled and a DBM is installed). Used primarily for multipoint dial
backup, this configuration option selects the multiple calling cycle in which the DBM steps through the Backup Directory,
attempting to call each valid telephone number in the directory, or selects the normal calling cycle. This configuration
option only has an effect if
Auto Bckup
is set to Enab.
Enab — Select if the multiple calling cycle is to be used. The DBM makes one attempt to call the telephone
number in the specified Backup Directory (default is the first telephone number in the directory). If the
attempt fails, the DBM makes an attempt to call the next telephone number in the specified directory, and
so on until either a call is completed or the DBM cycles through all the telephone numbers 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 — Select if the normal calling cycle is to be 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 different. In
addition, duplicate telephone numbers should be avoided. These precautions prevent the DBM from making
excessive call attempts to the same telephone number.