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(4) Remote password lock/unlock
Unlock the remote password of a serial communication module via a modem or the Ethernet module via Ethernet.
When entered remote password matches with the registered password, the module can access the CPU module.
Figure 6.75 Outline of locking/unlocking a remote password with an Ethernet module
Ethernet module
GX Developer
Transfers a remote
password to the
Ethernet module when
the CPU module is
powered off and then
on or is reset.
Checks the remote
password.
GX Developer
Ethernet
Unlocks (releases) the remote password
and accesses the CPU module.
When a line is closed, the remote password is
locked.
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