MERLIN LEGEND Communications System Release 6.1
System Programming and Maintenance (SPM)
555-661-140
Issue 1
August 1998
Programming with SPM
Page 38
Using SPM
Boards
The Boards option allows qualified service personnel to add a board to
the next available slot. The system must be idle to use this option. This
option is not available from the system programming console.
The Boards option is also available in surrogate mode. In surrogate
mode, you can assign trunk and extension modules (boards) to slots,
even though the boards have not actually been installed. This type of
board is referred to as a “phantom” or “null” board.
You cannot use the Boards option to change an actual board type. All
boards assigned with the Boards option, including phantom boards, are
cleared (unassigned) if you perform a board renumber (
6\VWHP
→
%RDUG
5HQXP
).
NOTE:
You must assign phantom boards to higher slot numbers than
those you assign to any real boards. If you assign a phantom board
to a lower slot number than a real board, the control unit does not
recognize the real board(s) that follow the phantom board.
NOTE:
If you remove a board but do not replace it, and then perform a
board renumber, the control unit will not recognize any boards that
follow the empty slot. You must reseat all of the boards to fill the
empty slot before you perform the board renumber.
The Inspect function (
) lets you see which modules have been
assigned to slots on the control unit. Note that both phantom boards and
real boards display if you use the Inspect function. To see only real
board assignments, you must print the System Information report:
6\VWHP→More→3ULQW→6\V6HWXS.
Table 5 shows the type of boards that you can select.
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