Omron V440-F User Manual page 191

8 Advanced Settings
Custom Ethernet Link functionality is bound to the reader's command processor as shown in the figure
below. This enables an outside endpoint to still send commands to the device as well as receive data
commands and barcode to the receiver.
 Server Implementation
In cases where the endpoint is configured as a server, the reader is only able to handle 10
simultaneous connections for any transport layer. For TCP, the reader will refuse the connection. UDP
and Multicast will simply ignore the connection request due to the connectionless nature of the
transport layer.
 Client Implementation
In cases where the endpoint is configured as a client, the reader is only able to handle one connection
to a server. This means the following restrictions apply:
TCP: The reader can only connect to one server when configured as a client.
UDP and Multicast: The reader can only send data out on to one UDP port.
UDP is limited to UDP/IP in order to avoid broadcasting data on the network.
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V440-F C-Mount Code Reader User Manual