6.5 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.
Position and assignment
Figure 6-2 Position and pin assignment of the serial interface (RJ-11 jack), for example on the
SCALANCE XB213-3
Assignment of the terminal block
The connecting cable listed in the "Accessories" section has the following pin assignment:
Contact Pin assignment of the RJ-11 plug Pin assignment of the D-sub female con‐
nector
1 - -
2 - TD (Transmit Data)
3 TD (Transmit Data) RD (Receive Data)
4 SG (Signal Ground) -
5 RD (Receive Data) SG (Signal Ground)
6 - -
7 -
8 -
9 -
Connecting up
6.5 Serial interface
SCALANCE XB-200
Operating Instructions, 03/2020, C79000-G8976-C359-09 41
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