AT&T MERLIN LEGEND Release 4.0 Feature Reference page 451

Feature Reference
code for the control unit's modem (
system programming jack.
Accessing the built-in modem for remote programming can be done in any of
the following ways:
Calling the system on a remote-access line and entering a barrier code (if
needed), and then dialing the code for the control unit's built-in modem
Calling the system on a regular line and asking the system operator to
transfer the call to the control unit's built-in modem
Calling the remote PC with SPM from a telephone on the system, then
transferring the call to the control unit's built-in modem
Remote programming allows qualified technicians to run diagnostic tests and to
display information needed to maintain the system. It is also used by AT&T
technical support organizations for installation and maintenance support.
Remote system programming overrides on-site system programming unless an
on-site backup or restore procedure is taking place. If on-site system
programming is being performed when a remote connection is attempted, the
system sends a message to the programmer that a remote connection has been
established and the current on-site programming session is terminated.
If remote system programming is to be done over loop-start lines, the loop-start
lines should be set to reliable disconnect. Otherwise, the line could be seized
indefinitely.
System Programming Screens
The system programming console display and SPM screen present
step-by-step prompts throughout programming. Three different types of screens
appear on the console display and SPM screen:
Menu Selection Screens. Allow selection of menu options. After making
a selection, either a more detailed menu screen or a data entry screen is
shown.
Informational Screens. Show currently programmed information.
Changes cannot be made to these screens.
Data Entry Screens. Allow identification information (such as an
extension number or trunk number) or values (such as number of
seconds or rings) to be entered.
The menu hierarchy—the sequence of menu screens that appear as different
options are selected from menus during system programming—is shown in
Appendix D, "System Programming Menu Hierarchy."
), which establishes connection to the
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Programming