Configuring the system
2.1 System settings
PCU-Basesoftware (IM8)
Commissioning Manual, 02/2014, 6FC5397-1DP40-4BA0
49
This is how you switch off the USB interfaces.
Command sc_usb disable
To prevent harmful software entering via the USB ports to the control or into the system
network, you can switch off the USB interfaces.
This command is called up in the DOS shell:
The USB interfaces are not locked.
sc_usb disable [-minutes] [all] [HOSTS...]
Without a time indication [-
minutes], a permanent disable is
set. With time indication, the disable takes the time set in
minutes.
The disable may refer to all network nodes of the system
network, or a list of host names or IP addresses may be
specified to which the disable should apply.
With "sc_usb enable" USB storage units on permanently disabled USB interfaces or on
certain host names or IP addresses are enabled again.
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