ATTENTION
When Max connection is set to 2, 3, or 4, this means that the NPort 5100 will be using a “multi
connection application” (i.e., 2, 3, or 4 hosts are allowed access to the port at the same time).
When using a multi connection application, the NPort 5100 will use the serial communication
parameters set in the console. All of the hosts connected to that port must use the same serial
settings. If one of the hosts opens the COM port with parameters that are different from the
NPort 5100’s console setting, data communication may not work properly.
Ignore jammed IP
Setting Factory Default Necessity
No or Yes No Optional
Previously, when Max connections > 1, and the serial device is transmitting data, if any one of the
connected hosts is not responding, it will wait until the data has been transmitted successfully
before transmitting the second group of data to all hosts. Currently, if you select Yes for “Ignore
jammed IP,” the host that is not responding will be ignored, but the data will still be transmitted to
the other hosts.
Allow driver control
Setting Factory Default Necessity
No or Yes No Optional
If “max connection” is greater than 1, NPort will ignore driver control commands from all
connected hosts. However, if you set “Allow driver control” to YES, control commands will be
accepted. Note that since NPort 5100 may get configuration changes from multiple hosts, the most
recent command received will take precedence.
Packing length
Setting Factory Default Necessity
0 to 1024 0 Optional
Default = 0, The Delimiter Process will be followed, regardless of the length of the data packet. If
the data length (in bytes) matches the configured value, the data will be forced out. The data length
can be configured for 0 to 1024 bytes. Set to 0 if you do not need to limit the length.
Delimiter 1
Setting Factory Default Necessity
00 to FF (hex) None Optional
Delimiter 2
Setting Factory Default Necessity
00 to FF (hex) None Optional
Once the NPort 5100 receives both delimiters through its serial port, it immediately packs all data
currently in its buffer and sends it to the NPort 5100’s Ethernet port.
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