108 • SMP Gateway User Manual
Method 2
From the SCADA, perform the OPEN or CLOSE operation on the
_smp___dialupEnable data point. You can do a Direct Execute or a Select Before
Operate (SBO). For more information on how to perform control operations using Visual
Substation Explorer, refer to Visual Substation Explorer User Guide, GUI-00115-00020 T).
13.8.2 Locking or Unlocking a Passthrough Connection
The control center can lock or unlock passthrough connections individually, and can also request
that a particular passthrough connection be automatically locked or unlocked on SMP Gateway
startup.
To lock or unlock a passthrough connection:
From the SCADA, perform the OPEN or CLOSE operation on the
_smp___passthru<connection>Enable data point. You can do a Direct Execute or
a Select Before Operate (SBO). For more information on how to perform control operations
using Visual Substation Explorer, refer to Visual Substation Explorer User Guide, GUI-
00115-00020 T).
To request that a particular passthrough connection be locked or unlocked on SMP Gateway
startup:
In SMP Manager, select the SMP Gateway, and then start SMP Config.
In the left pane, click Passthru Connections.
In the right pane, select the passthrough connection, and then either select or clear the Locked
at Startup checkbox.
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