SENA PS400 - Manual (Page 48)

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10 (bits) / 1200 (bits/s) * 1000 (ms/s) = 8.3 ms.
Therefore, you have to set inter-character timeout to be larger than 8.3 ms. The inter-character
timeout is specified in milliseconds and must be larger than 10 ms.
If users want to send the series of characters into a packet, serial device attached to the HelloDevice
Pro Series should send characters without time delay larger than inter-character timeout between
characters and the total length of data must be smaller than or equal to the HelloDevice Pro Series
internal buffer size. The buffer size of HelloDevice Pro Series is 600 bytes per a port.
---------------------------------------------------------------------------
Serial configuration --> port#1 ---> option
---------------------------------------------------------------------------
Select menu
1. Inactivity timeout : 100 sec
2. Inter-character timeout : 1 ms
<ESC> Back, <ENTER> Refresh
-----> 1
Enter inactivity timeout value to disconnect TCP connection in seconds
( 1 - 3600)Sec , 0 = unlimited
-----> 300
---------------------------------------------------------------------------
Serial configuration --> port#1 ---> option
---------------------------------------------------------------------------
Select menu
1. Inactivity timeout : 300 sec
2. Inter-character timeout : 1 ms
<ESC> Back, <ENTER> Refresh
-----> 2
Enter Inter-character timeout in milliseconds (1 - 10000) : 100
Figure 4-23. Set up the options of inactivity timeout and Inter-character timeout