B&B Electronics VESR424D User Manual download pdf (Page 36)

Section 4 - Configuring the Serial Server Vlinx VESR4x4 Serial Server

Page 36 of 70 Manual Documentation Number: VESR4x4-0712m

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4. Type the TCP port number of the server into the on TCP port number:

box.

5. Select:

at power up - if you want the serial server to always be connected

when the serial port receives data - if you only want to establish a

connection when there is data to be sent.

Setting the serial server to operate as a TCP Server

1. Select TCP protocol.

2. Select to wait for connections (server).

The configuration options change. The server IP address box disappears

and the number of connections box appears.

3. Type the port number in the I want to wait for connection on TCP port

number: box.

4. Select the maximum number of connections desired in the and limit the

number of connections to: drop down box.

Figure 32. TCP Server Settings

UDP Configuration

UDP (User Datagram Protocol) enables applications using UDP socket

programs to communicate with the serial ports on the serial server. UDP

protocol provides connectionless communications, which allows data to be

broadcast to and received from multiple nodes on a network.

In UDP mode, if you want to control which network node receives data, you

must specify the IP address and UDP port the data will be sent to. You can

choose to send to:

Nobody (Port only in receive mode)

All nodes at a specific UDP port number. (This is a broadcast message.)

Specific IP addresses and UDP port numbers. (This is a unicast message.)

A range of IP addresses and UDP port numbers. (This is a unicast range.)

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B&B Electronics VESR424D User Manual Page 36