To wire up the signaling contact, use a copper cable of category 18-8 AWG or cable with a
cross-section of 0.75 to 6 mm².
NOTICE
Securing cables with dangerous voltage
Make sure that the connector cannot be released accidentally by pulling on the connecting
cable. Lay the cables in cable ducts or cable channels and secure the cables, where
necessary, with cable ties.
5.3
Diagnostics port
5.3.1
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
SCALANCE XR-300M EEC
Operating Instructions, 11/2015, A5E02661176-09
Connecting
5.3 Diagnostics port
37