Installing and putting a SINAUT modem into operation
6.4 MD2 dedicated line modem
SINAUT ST7 Station control system - System Manual
244
System Manual, 05/2007, C79000-G8976-C178-06
Setting on
DIL switch
Meaning
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Transmit level 0 dB / -9 dB
For more detailed information, refer to the description of the 10-
pin DIL switch at switch 10.
This allows the distance to be increased without regeneration.
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4-wire mode
This setting is necessary if a separate wire pair is used for the
transmit and for the receive direction. In this mode, the setting
of switch 3 is irrelevant.
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21
2-wire mode
This setting is necessary if a common wire pair is used for the
transmit and receive direction. In this mode, the setting of
switch 3 is relevant. This is then used to set whether only one 2-
wire line is actually connected (channel 1) or whether two 2-wire
lines are connected (channel 1+2), for example, in a control
center when communication to the stations is over two separate
2-wire connections (’small star network’).
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Channel 1 (2-wire)
In 2-wire mode, only channel 1 is used; in other words, only one
2-wire line is connected to the modem (see also switch 2).
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Channel 1+2 (2-wire)
In 2-wire mode, channels 1+2 are used; in other words, two
separate 2- wire lines are connected to the modem (see also
switch 2).
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Baud rate 1200 bps (see also note)
At this speed, the modem is compatible with SINAUT ST1
modems MD100, MD124 and LGM 1200H1.
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Baud rate 2400 bps (see also note)
At this speed, the modem is compatible with the SINAUT ST1
MD124 modem.
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Baud rate 9600 bps
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Baud rate 19200 bps
At this speed, the modem is compatible with the SINAUT ST1
MD124 modem.
