SATO CT4-LX Operator's Manual page 187

• You can register only one IP address for the DNS server for IPv6.
• The DNS server address set here is shared with the settings in [Wi-Fi] > [Wi-Fi Setting]
> [IPv6 (Wi-Fi)].
[Ports]
Set the TCP/IP port number.
If AEP mode is enabled, there are only two ports available for LAN and wireless LAN connections.
If AEP mode is enabled and the wireless LAN interface is being used, set the port settings in this
menu. The [Wi-Fi] > [Wi-Fi Setting] > [Ports] menu becomes unavailable under this condition.
Roles of Port1 to Port3
In the socket server function of TCP/IP, either of the following connection methods can be used.
The ports to be used and their roles change depending on the connection method and communication
protocol.
Two-port connection
• If AEP mode is disabled (initial value)
Port1 is used for receiving print data, and Port2 is used for returning the product status.
Two-port connection is available when the communication protocol is STATUS4.
• If AEP mode is enabled
Port1 and Port3 can be used for both receiving print data and returning the product status. Port2
cannot be used.
One-port connection
One port is used for both receiving print data and returning the product status.
When the communication protocol is STATUS4, Port3 is used.
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