User's Manual

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4.0 General Operation and Special Features
If a number has been previously stored, the number is displayed on the top
line of the LCD (instead of dashes, as shown above).
Only one phone number can be stored per cell. To store a phone number,
use the right and left arrow pushbuttons to go to the digit you want to change.
The character at the current cursor location flashes. Use pushbutton 1 to
decrease a number at the current cursor location or pushbutton 3 to increase
a number. Use pushbutton 2 (CTRL) to sequence through the dialing control
characters (listed below). Use the arrow pushbuttons to move on to the next
digit or character to be changed. The phone number is saved when you
return to the MAIN MENU.
4.3 Leased Line Auto-Recovery
When conditions on the leased lines deteriorate, the Leased Line Auto-
Recovery feature allows the Modem to automatically restore operation for
a leased line application by using dial lines as a backup. The Modem uses
signal quality and loss of carrier detect to determine if line conditions
are unsatisfactory. Leased Line Auto-Recovery is accessed via the AUTO-
RECOVERY screen on the front panel LCD. The following conditions
are required for Leased Line Auto-Recovery operation:
• Leased Line Auto-Recovery must be enabled (using the Leased Line Auto-
Recovery Select option) on both communicating modems.
• The Leased Line Auto-Recovery Select, Return and Test options must
be set correctly on both communicating modems, as explained in the
following sections.
• A dial backup line (or lines) must be installed.
• The phone number to be dialed (the backup line) must be stored
in the originate modem, as explained in the previous section.
• Auto-answer must be enabled on the answer modem.