Siemens SIMATIC NET TeleControl SINAUT ST7 System Manual page 156

Industrial remote communication, station control system
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Installation and commissioning of the modems and routers
5.5 MD2 dedicated line modem
View of the MD2 modem with the front panel closed
The following figure shows the front view of the MD2 modem with the front panel open to
show the connectors located behind it.
Figure 5-6
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.
156
View of the MD2 modem with the front panel open
SINAUT ST7 station control system
System Manual, 09/2016, C79000-G8976-C178-10

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