Atop SW5501, Руководство пользователя

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SW5501 – SW5502
Wireless Serial Server
User Manual
Link modes and
Applications
5.2.9
TCP Server Application: Multiple TCP Connections
The multiple connection option will allow up to the maximum of four TCP Client connections . This can be enabled
by changing the Maximum Connection option under the TCP Server section in TCP Server Link Mode settings .
Note that it is also possible to use this multiple connection feature in conjunction with other TCP Server
applications, such as Virtual COM, Pair Connection, and Reverse Telnet . For example, enabling multiple connection
option along with Pair Connection will result in Multi - Point Pair Connection in TCP Server Link Mode ( Paragraph
5.2.10 below ). For more information on response behavior option please go to Paragraph 5.1.1 above .
Figure 5.17 Setting of Multiple TCP Connection Application via Maximum Connection Option
5.2.10
TCP Server Application: Multi-Point TCP Pair Connections
The difference between Multi - Point TCP Pair Connection and Multi - Point UDP Pair Connection is that the TCP
implementation would also exchange flow control pins for RS - 232 as if COM interfaces of these devices are
connected without SW550X . However, the TCP Server is limited to a maximum of four connections . If there are four
serial devices and they don ’ t use flow control pins with RS - 232 or RS - 485, it is possible to setup pair connection in
UDP Link Mode as discussed in Paragraph 5.2.8 above . After multiple connection option is enabled in the Web UI
as described in previous sub - section, please refer to
Table 5
.
2
for an example to setup Multi - Point TCP Pair
Connections as depicted in the figure below. Please follow the steps for Pair Connection Master with TCP Server
Link Mode settings and Pair Connection Slave with TCP Client Link Mode settings as described in Paragraph 5.2.5
above and Paragraph 5.2.6, respectively .
Table 5
.
2 An Example of Multi - Point Pair Connection ’ s Parameter Settings for TCP Link Mode
IP Address Link Mode Application
Listening
Port
Destination IP
Destinati
on Port
SW5501 Master COM1
10 . 0 . 50 . 100 TCP Server Pair Connection Master 4660 - -
SW5502 Slave 1 COM1
10 . 0 . 50 . 200 TCP Client Pair Connection Slave - 10 . 0 . 50 . 100 4660
SW5502 Slave 1 COM2
10
.
0
.
50
.
200 TCP Client Pair Connection Slave
-
10
.
0
.
50
.
100 4660
SW5501 Slave 2 COM1
10 . 0 . 50 . 201 TCP Client Pair Connection Slave - 10 . 0 . 50 . 100 4660
SW5501 Slave 3 COM1
10 . 0 . 50 . 202 TCP Client Pair Connection Slave - 10 . 0 . 50 . 100 4660