Connecting up
5.4 Diagnostics port
SCALANCE XR-300M PoE
Compact Operating Instructions, 05/2016, A5E02661178-10
47
5.4
Diagnostics port
5.4.1
Diagnostics port rear
Description
Rack devices have a diagnostics port on the rear of the housing. This port is designed for an
RJ-11 plug. A suitable connecting cable with an RJ-11 plug and a 9-pin D sub female
connector for connection to the serial port of the PC ships with the SCALANCE XR-300.
Diagnostics port on the rear of the device
Pin assignment
The following table shows the pin assignment of the RJ-11 plug and the D sub female
connector:
Image 5-1
RJ-11 jack (schematic)