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Backup Parameters
Layer 2 deactivation timer (s):
This parameter is functionally equivalent to the
Layer 2 deactivation
timer
parameter in the general parameters section above but only applies to the backup service.
Layer 2 interface:
The Layer 2 Interface parameter speci
fi
es whether the backup service uses “LAPB”, “LAPD” “TCP”,
“SSL” or “None”.
Layer 2 interface #:
This parameter speci
fi
es which LAPB or LAPD instance to use for the backup interface. Select “0” or
“1” for LAPB or “0”, “1” or “2” for LAPD.
LCN:
The LCN parameter is used to set the
fi
rst LCN that will be used for the backup interface.
LCN direction:
This parameter determines whether the LCN used for the backup X.25 interface is incremented or
decremented from the starting value when multiple X.25 instances share a single layer 2 connection.
NUA:
This parameter speci
fi
es the X.25 Network User Address to be used for outgoing X.25 calls if no NUA
is speci
fi
ed in the call string.
NUI:
This speci
fi
es the X.25 Network User Identi
fi
er to be used for outgoing X.25 calls if no NUI is speci
fi
ed
in the call string.
Using Text Commands
From the command line, use the
tpad
command to con
fi
gure or display TPAD settings.
To display current settings for a TPAD instance enter the command:
tpad <instance> ?
To change the value of a parameter use the command in the format:
tpad <instance> <parameter> <value>
