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Setting on
DIL switch
Note
The transmission speeds 1200 and 2400 bps are suitable for lines whose bandwidth is
limited to the normal voice band (300 Hz – 3400 Hz). This is typically the case with lines
leased from public telephone companies. For the MD2 modem, there is an approval from the
German Telekom for connection to transmission paths with analog connection points (2-wire)
and 3.1 kHz effective bandwidth (300 Hz – 3400 Hz).
Table 5- 14
Setting on DIL switch
SINAUT ST7 station control system
System Manual, 09/2016, C79000-G8976-C178-10
Installation and commissioning of the modems and routers
Meaning
Baud rate 9600 bps
Baud rate 19200 bps
Settings on the 10-pin DIL switch
Meaning
Normal mode
Set this mode when the MD2 is connected to a TIM over its RS-232
port.
Repeater
Set this mode when two MD2s are connected together to form a
repeater. The other parameters such as transmitter level, 2- or 4-wire
and the baud rate must be set at the 5-pin DIL switch.
Interface with RS-485
Set this mode when the MD2 is connected to a TIM or other MD2
over its RS-485 port.
Test mode: Test f H constant *)
In this test mode, the upper keying frequency is output permanently
at the transmitter output of the modem. This mode can be used for
level measurement.
5.5 MD2 dedicated line modem
163
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