Siemens X-400 - Manual (Page 101)

Installation and Commissioning
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
101
6.7 Operator Controls
6.7.1 DIL Switches
Below the labeling strip on the Switch CPU, on slot 4, there are four DIL switches.
These DIL switches can have one of two states (ON / OFF).
Figure 6-20 Power module, digital inputs and Switch CPU with controls