ATTENTION
When Max connection is greater than 1, the CN2600 will use a multi connection application (i.e., 2 to 4 hosts
are allowed access to the port at the same time). When using a multi connection application, the CN2600 will
use the serial communication parameters as defined here in the web console, and all hosts connected to the
port must use identical serial settings. If one of the hosts opens the COM port with different serial settings, data
will not be transmitted properly.
Ignore jammed IP (default=No): This option determines how the port will proceed if multiple hosts are
connected and one or more of the hosts stops responding as the port is transmitting data. If you select No, the
port will wait until the data has been transmitted successfully to all hosts before transmitting the next group of
data. If you select Yes, the port will ignore the host that stopped responding and continue data transmission
to the other hosts.
Allow driver control (default=No): This option determines how the port will proceed if driver control
commands are received from multiple hosts that are connected to the port. If No is selected, driver control
commands will be ignored. If Yes is selected, control commands will be accepted, with the most recent
command received taking precedence.
Connection goes down (default=always high): You can configure what happens to the RTS and DTR signals
when the Ethernet connection goes down. For some applications, serial devices need to know the Ethernet link
status through RTS or DTR signals sent through the serial port. Use goes low if you want the RTS and DTR
signal to change their state to low when the Ethernet connection goes down. Use always high if you do not
want the Ethernet connection status to affect the RTS or DTR signals.
Packet length (default=0): The Packet length setting refers to the maximum amount of data that is allowed
to accumulate in the serial port buffer before sending. At the default of 0 for packet length, no maximum
amount is specified and data in the buffer will be sent as specified by the delimiter settings or when the buffer
is full. When a packet length between 1 and 1024 bytes is specified, data in the buffer will be sent as soon it
reaches the specified length.
Delimiter 1 and Delimiter 2 (default=None): When Delimiter 1 is enabled, the serial port will clear the buffer
and send the data to the Ethernet port when a specific character, entered in hex format, is received. A second
delimiter character may be enabled and specified in the Delimiter 2 field, so that both characters act as the
delimiter to control when data should be sent.
Delimiter process (default=Do Nothing): The Delimiter process field determines how the data is handled
when a delimiter is received. Delimiter 1 must be enabled for this field to have effect. If Delimiters 1 and 2 are
both enabled, both characters must be received for the delimiter process to take place.
• Do Nothing: Data in the buffer will be transmitted when the delimiter is received.
• Delimiter + 1: Data in the buffer will be transmitted after 1 additional byte is received following the
delimiter.
• Delimiter + 2: Data in the buffer will be transmitted after 2 additional bytes are received following the
delimiter.
• Strip Delimiter: Data in the buffer is first stripped of the delimiter before being transmitted.
Force transmit (default=0 ms): This parameter defines how large a gap in serial communication the CN2600
will allow before packing the serial data in its internal buffer for network transmission.
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