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number of the remote virtual serial device and the serial server are
consistent.
8.
Test the serial server with test software found garbled?
Fault detection: serial port parameters do not match, for no reason to open
Realcom function.
Problem Solving:
Confirm the communication environment (whether there is a strong
-
magnetic field around), check whether the communication line is in good
contact, and whether the quality of the communication line is OK.
Verify that the serial parameters of the test software, serial server, and
-
serial device are matched.
When creating a virtual serial port, select "RealCom Mode" for the working
-
mode in the WEB configuration interface of the serial server.
9.
Why is the serial server disconnected after a period of connection?
Equipment supply voltage instability. Troubleshooting: Check the power
-
supply wiring and supply voltage.
Network status is unstable. Troubleshooting: Ping the IP address of the
-
serial server to view the network.
TCP connection channel is occupied. Troubleshooting: Modify the serial
-
server's IP address and local port number.
VSP driver software is modified. Troubleshooting: Install the high version
-
of the VSP driver software.
The firewall caused the device to fail to connect. Troubleshooting: Turn off
-
the firewall and anti-virus software.
Hardware problems. Troubleshooting: Replace the computer, network
-
cable, serial server.
Upper software caused. Troubleshooting: restart the upper software, re-
-
establish the connection.
10. Modify the MAC address of the serial server to affect the communication?
If the MAC address is not a broadcast or multicast address, it will not affect the
communication. In the WEB configuration interface of the serial server, MAC
address modification is not supported. It is recommended that you do not modify
the MAC address.
11. Can a serial server support multiple computer communication?
3onedata proprietary and confidential
Copyright © 3onedata Co., Ltd.
NP Series Serial Server User Manual
101
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