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

Claim 0:
1. A network adapter within an industrial input/output (I/O) system, comprising:
one or more processors configured to:
receive a first combination;
determine whether the first combination matches a predefined lock combination;
upon determining that the first combination matches the predefined lock combination, start a lock process;
receive a second combination;
determine whether the second combination matches a predefined lock key; and
upon determining that the second combination matches the predefined lock key, lock the network adapter to prohibit one or more predefined actions that change settings of the network adapter through a network connection,
wherein upon the network adapter being locked, the network adapter enters a protected mode; and
upon the network adapter entering the protected mode, register identities of one or more I/O devices that are connected to the network adapter and prohibit communication with unregistered I/O devices.