Patent ID: 11924206
Assignee: nan
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 7:
8. A network adapter within an industrial input/output (I/O) system, comprising:
one or more processors configured to:
register identities of one or more I/O devices that are connected to the network adapter and prohibit communication with unregistered I/O devices, wherein the network adapter is locked and has entered a protected mode;
receive a first combination;
determine whether the first combination matches a predefined unlock combination;
upon determining that the first combination matches the predefined unlock combination, start an unlock process;
receive a second combination;
determine whether the second combination matches a predefined unlock key; and
upon determining that the second combination matches the predefined unlock key, unlock the network adapter to allow one or more predefined actions that change settings of the network adapter through a network connection,
wherein upon the network adapter being unlocked, the network adapter exits the protected mode.