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Figure 6-26
Pinout of the RS-232 and RS-485 ports
The X1 connector is designed as a 9-pin D-sub miniature male connector. The pinout is
shown in the following table. As an RS-232 port, the pinout corresponds to that of a
standardized PC connector.
The RS-232 interface can be activated using a 4-pin DIL switch accessible from below
through the housing grill.
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
s
X3
M
L+
DC
24V
M
Front view of the MD3 modem with removed front panels
Installing and putting a SINAUT modem into operation
6.6 Analog dial-up modem MD3
X1
X2
271
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