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Installing and putting a SINAUT modem into operation
6.6 Analog dial-up modem MD3
6.6.3
Connectors and configuration switches accessible from below
The following figure shows the MD3 modem from below with the X3 RJ-12 Western jack and
the DIL switch for activating the RS-232 or RS-485 interface
Figure 6-34
Settings with the DIL switches accessible from below
A further 4-pin DIL switch on the bottom of the modem housing is accessible from below.
This DIL switch is used to activate either the RS-232 or RS-485 interface. For RS-485
operation, you can also activate the terminating resistor. The following figure shows the
possible settings in general.
Figure 6-35
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View of the MD3 modem from below
Configuration switches on the 4-pin DIL switch accessible from below
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
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