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Network cable or fiber optic cable is not connected or poor contact,
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network cable damage.
Network port damage, network cable line error and did not do according to
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the standard line.
Optical port damage, fiber type, fiber wavelength, transmission distance,
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transmission medium and data format does not match.
The serial port server Link indicator is damaged.
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Problem Solving:
Confirm the communication environment, whether the device is powered
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on, check the network cable contact problem.
Ping serial server IP address, if you can Ping, then it would prove that the
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serial server Link indicator is damaged. If the Ping fails, proceed to the
following steps.
For copper port, replace the copper port of the network cable, computer or
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serial server for test.
For optical ports, check whether the fiber type, fiber wavelength,
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transmission distance, transmission medium, and data format match. If it
matches, replace the fiber or optical port for testing.
6.
Why is the serial server power supply not powered?
Check whether the power supply is damaged or whether the positive and
negative terminals are connected; whether the power indicator light is on and the
power supply is stable.
7.
Device can be searched via VSP Manager, and virtual serial port is
established, but when viewing the virtual serial port, it cannot Link?
Fault detection: session is not enabled
Problem Solving:
Confirm the communication environment, if you can search the device,
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Link indicator light is also bright, that PC to the serial server can
communicate.
Check whether the PC and the serial server can Ping successfully. If the
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Ping fails, change the PC and serial server to the same network segment.
Enter the configuration interface of the serial server to check whether the
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working mode is configured correctly; whether the IP address and port
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Copyright © 3onedata Co., Ltd.
NP Series Serial Server User Manual
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