16
Setting Up the ISDN DBM
FrameSaver SLV 9128s and 9128-I Is may be equipped with an ISDN PRI DBM. These
instructions are for units with ISDN backup capability.
The following guidelines apply:
Central site configuration guidelines:
—Set up the ISDN DBM physical interface.
—Modify the Link Profile(s) that Automatic Bac kup Conf igur at ion cr eated t o add a
phone number.
—Configure the unit to answer calls from the remote sites . (A PRI DBM is already
configured to answer calls.)
Remote site configuration guidelines:
—Set up the ISDN DBM physical interface.
—Change the Automatic Backup Configuration to Single_Site_Backup.
—Modify the HQ_Site Link Profile that Automatic Backup Configur ation created
to add a phone number.
—Configure the remote unit to originate calls to the central site.
—Set the criteria by which automatic backup will take place.

Setting Up the DBM Physical Interface

Procedure
1. Configure the DBM interface.

MainMenu

→

Configuration

→

ISDN

→

Physical

2. Minimally, set the following configuration options:
—Interface Status is s et to Enable.
—T1 physical characteristics are configured to match the service provider’s
settings.
—Local Phone Number 1 is entered.
—Maximum Link Rate is selected.
3. Save the configuration and return to the ISDN menu.

Setting Up Automatic Backup Configuration

The Automatic Backup Configuration fe ature, included on the Auto-Configuration menu,
is used to automatically create alternate DLCI records and PVC connections on the
ISDN DBM (backu p) interface. A PRI DBM is set up for Multi_Site_Backu p.
See the User’s Guide for additional information.