This example shows four mains, SY1, SY2, SY3, and SY4 interconnected through XCF.

A sample initialization stream follows the drawing. This stream contains MAINPROC statements that define each main and DEVICE statements that define the main's connections.

Figure 1. Sample Initialization Stream

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MAINPROC,NAME=SY1,SYSTEM=JES3,...
MAINPROC,NAME=SY2,SYSTEM=JES3,...
MAINPROC,NAME=SY3,SYSTEM=JES3,...
MAINPROC,NAME=SY4,SYSTEM=JES3,...
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DEVICE,DTYPE=SYSMAIN,JNAME=SY1,JUNIT=(,SY1,,ON,,SY2,,ON,,SY3,,OFF,SY4,ON)

In the previous DEVICE statement,SY1, SY2, and SY4 are initially online to SY1. SY3 is initially offline to SY1.

DEVICE,DTYPE=SYSMAIN,JNAME=SY2,JUNIT=(,*ALL)

In the previous DEVICE statement, SY1, SY2, SY3, and SY4 are initially online to SY2 (by default).

DEVICE,DTYPE=SYSMAIN,JNAME=SY3,JUNIT=(,SY1,,,,SY2,,OFF,,SY3,,,,SY4)

In the previous DEVICE statement, SY1, SY3, and SY4 are initially online to SY3. SY2 is initially offline to SY3.

There is no DEVICE statement for SY4. This indicates that SY1, SY2, SY3, and SY4 are initially online to SY4 (as is the case in the SY2 example).