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MERLIN LEGEND Communications System Release 6.0
System Programming
555-660-111
Issue 1
February 1998
Programming with SPM
Page 2-77Surrogate Mode Programming
2
Surrogate Mode Programming 2
Surrogate mode allows qualified service personnel to perform system
programming at an off-site service location. The actual communications system
hardware does not have to be installed—the programmer needs only a direct
connection from the PC to the processor module. By following a customer’s set of
completed planning forms, the system can be programmed as if the appropriate
modules, trunks, telephones, and other communications equipment have been
installed. When system programming is completed, a system backup is performed
to save the information on disk. This backup disk is then taken to the new
installation site and used with the Restore option to provide complete system
programming for a new communications system.
You do not “select” surrogate mode programmingyou enter it automatically
under the following conditions:
■ The PC is connected to the lower RS-232 port on a control unit (direct local
connection).
■ Only the processor and power modules are connected.
Once you enter surrogate mode programming, you must follow the sequence of
procedures shown below.
■ At the service location, perform the following:
1. System Erase
2. Program the Boards
3. System Programming
4. Backup
■ At the installation site, perform a Restore.
While you are in surrogate mode, the Pass-Thru and Password options are not
available.
NOTE:NOTE:NOTE:
Surrogate mode is available only through the local programming port. You
cannot access surrogate features through the system programming
console.