Connecting up
5.6 Serial interface
SCALANCE XR-300WG
44 Operating Instructions, 05/2017, C79000-G8976-C454-01
Figure 5-2 Position of the device installation connector
Serial interface
Information on the serial interface
● Via the serial interface (RJ-11 jack), you can access the CLI of the device directly via an
RS-232 connection (115200 8N1) without assigning an IP address.
● Access to the device is also possible independent of the Ethernet ports.
● To connect the serial interface to the PC, you require a cable with an RJ-11 plug and 9-
pin D-sub female connector. You can order the connecting cable for the serial interface
as an accessory.
Figure 5-3 Position and pin assignment of the serial interface (RJ-11 socket) on the SCALANCE
XR-300WG and pin assignment of the D-sub socket
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