Siemens SCALANCE X320-3LD FE Operating Instructions Manual page 114

Installation
5.2 Installing a switch
Desktop operation (only 24 V DC variants with adhesive feet)
No desktop operation for devices with 100 to 240 V AC power supply
Desktop operation is permitted only for the 24 VDC variants of the rack devices (R).
The adhesive feet ship with the 24 VDC variants. The permitted ambient temperature for
desktop operation is -40 °C to +50 °C.
Desktop operation (only 24 VDC variants with adhesive feet)
1. Select the required 24 V variant of the rack device (R).
2. Lay out the four adhesive feet in preparation.
Check the rack device (R) you are installing; for example
that the two mounting brackets are fitted at the front and
that the ventilation grilles are free.
CAUTION: If you install a rack device (R) with compo-
nents inserted.
The locking mechanisms of components installed in the
rack device (R) (for example the handles of media mod-
ules or the clips on the SFP) must be closed.
See also installation of modular devices:
- Installing media modules in a slot
- Installing an SFP in an SFP media module.
4. Turn the rack device (R) over and fit the four adhesive
feet on the base.
5. Fit the connectors for the 24 V power supply.
6. Fit the remaining connectors, for example the signaling
contact.
Removal
Removing from the rack
1. Turn off the power supply for the SCALANCE XR-300M.
2. Disconnect all cables for data traffic and the connectors for the power supply and the grounding cable.
3. Undo the screws on the mounting bracket and remove the rack device (R) from the 19" cabinet.
If necessary, release the locking mechanisms of components inserted in the rack device (R) (for example handles
on the media module or clips on the SFP) to be able to remove the media modules (MM900) or the transceiver
(SFP).
114
CAUTION
Operating Instructions, 05/2016, A5E01113043-20
SCALANCE X-300