Instructions for Operation with SINAUT ST1
© Siemens AG 2002 All Rights Reserved 6NH7811-0AA22
MD2 Modem (07/2002) 3-5
Setting the Operating Mode
In addition to the settings for the dedicated line, the operating mode of the modem
needs to be specified. The "Normal" operating mode is usually used for the
SINAUT ST1 system.
Table 3-5 Settings on the 10-pin DIL switch (operating modes)
Setting on
DIL Switch
Meaning
1 2 3 4
OFF
ON
5 6 7 8 9 10
Normal operating mode
This mode must be selected when the MD2 is connected through its
RS232 interface to a terminal.
Setting the Character Recognition
The character recognition is set on switches 5 to 7 of the 10-pin DIL switch.
Table 3-6 Settings on the 10-pin DIL switch (character format)
Setting on
DIL Switch
Meaning
1 2 3 4
OFF
ON
5 6 7 8 9 10
Character recognition asynchronous 11 bit :
In this mode a message consists of a series of asynchronous
characters, 11-bit each (1 start bit, 8 data bits, 1 parity bit, 1 stop bit).
This is the standard setting for sending SINAUT ST1 or SINAUT ST7
messages. In this case message format FT 1.2, based on 11-bit
asynchronous characters, is normally used for transmitting over
dedicated lines.
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