3onedata NP Series User Manual page 26

TCP server mode interface main element configuration instructions
Interface Element
Session Number
Local port
pwd_check
Description
The number of hosts that one serial port connects to.
Each host communicates with serial port in the order of

first-in first-out;
The system supports up to 4 connections.

The destination connection port of TCP client.
After the device is connected with the remote client, the peer
client needs to send the authentication password to the
device. After the password is verified, the client can
communicate with the device. Options:
Enable: Enable password verification function.

Disable: Disable password verification function.

Note:
When password verification is enabled, only users with "admin"
account privileges can send / receive messages using this device.
The first data sent by the peer client to the device defaults to the

check password.
Verification password is "admin" account password.

If the password is entered incorrectly, re-establish the

connection and then re-enter the password.
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NP Series Serial Server User Manual
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