Download Qn(H)/QnPH/QnPRHCPU User`s Manual(Function Explanation

Transcript
CHAPTER6 FUNCTIONS
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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.
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3
Unlocks (releases) the remote password
and accesses the CPU module.
When a line is closed, the remote password is
locked.
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Ethernet
5
Ethernet module
6
7
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.
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6.19 System Protection
6.19.2 Remote password
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Figure 6.74 Outline of locking/unlocking a remote password with an Ethernet module
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