Siemens SCALANCE X-300 Series Operating Instructions Manual page 111

NOTICE
Four-point mounting
If mechanical load is high, the device should be secured at four points. You will find more
detailed information in the section "Mechanical stability in operation".
Normal orientation
Normal orientation of the device
● The LED display is on the left of the front panel of the housing.
● The Ethernet ports or the slots for the modules are also on the
front of the housing. Slots for the modules are fitted with
dummy covers.
● The C-PLUG is on the right behind a protective panel secured
with screws.
(For more detailed information, refer to the section on the C-
PLUG in the X-300 operating instructions.)
● The ventilation grilles are on the top, bottom and sides of the
housing.
● On the rear of the device, you will find the diagnostics port.
● The grounding bolt and the connectors for the signaling
contact and power supplies are also on the rear of the device.
Note that there are different power supplies (see section
"XR-300M EEC product group (Page 37)").
19" rack mounting with normal orientation
19" rack mounting
1. Select the required rack device and the 19" cabinet.
2. Fix the two mounting brackets with 4 screws each to the
sides of the housing. The maximum tightening torque for
these screws is 0.5 Nm.
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24
SCALANCE XR324-4M EEC
SCALANCE XR324-4M EEC
Installation
5.4 Installing a switch
111