Atop Technology SE5404D User manual - Manual (Page 23)

User manual Version 1.3
4-Port DIN-Rail Serial Device Server SE5404D
Copyright © 2011 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
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3.2.7 TCP Server for Link Mode
Operation: Main [3]COM Port Setting[1-16]Select Port[1]Link Mode[1]TCP Server
TCP Server mode is default setting for Link mode of serial settings, and it can be configured in a TCP server mode
on an Ethernet Network to waiting for the host computers to establish a connection with the serial device (the client).
After the connection is established, data can flow in both directions and can wait for connect request from remote
PC with installed “serial-to IP” tool or counter-pair Serial server in tunneling mode. It needs to configure listening
port to establish connection, Default Port number of Serial Server is 4660 and it is associated with the serial port
COM1. After the application program being connected to the TCP port 4660 on the Serial Server, data of your
application program are transparent to both COM1 and Serial Server.
IP filtering function is a simple ACL (Access Control List). Set FILTER_IP to “0.0.0.0” for disabling the “IP filtering
function
”.
One may configure one or group IPs for source IP. If IP filter is enabled, only source IP assigned is connected to
Serial Server.
Figure 3.13 TCP Server for Link mode
 Note: Enable Virtual COM mode if the remote site PC’s “Serial to IP” tool installed.
3.2.8 TCP Client for Link Mode
Operation: Main [3]COM Port Setting[1-16]Select Port[1]Link Mode[2]TCP Client
On destination IP & port enter desired destination IP and port as a TCP client (For example, another serial server,
or PC for data-collection). The Serial Server can support two destination host computers simultaneously.