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Pair Slave & Master Mode
Background introduction
Pair mode requires two serial server devices to work together to break the serial data
transmission distance limit. The two serial servers in this mode establish a network
connection with each other via Ethernet and transparently transmit data from the
respective serial port to each other.
Assume that serial device server A uses pair slave mode to passively wait for a
connection.
The serial device server B uses the pair master mode to actively connect the serial
device server A.
The serial port that serial server A and serial port B connect with the computer is
"COM1".
The "dest address" of the serial server B is the IP address "192.168.1.254" of the
serial server A. The "dest port" of the serial server B is the listening port "30000" of
the serial server A.
Serial device server A configuration steps
Step 1 Serial device server A configuration steps
Step 2 Log in to the Web configuration interface and select "Serial Server> COM Mode
Settings".
Step 3 Select "COM1" from the serial port number drop-down list box.
Step 4 Enter "30000" in the "Listen port" text box.
Step 5 Other parameters remain the default, click "Submit".
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NP Series Serial Server User Manual
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