Table 6-1
Pin assignment of the 24 VDC signaling contact
Pin number
Assignment
Pin 1
F1
Pin 2
F2
6.6
Diagnostics port
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
Connecting up
6.6 Diagnostics port
SCALANCE XR-300M PoE
Compact Operating Instructions, 03/2022, A5E02661178-15
53