DM4270 – Installation Guide
DM4270 Installation
204.4331.03 - October/2019
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Figure 25 – Positioning the rail according to the size of the rack
Step 4
Proceed with securing the equipment on the front part of the rack
and slide the rear securing rail until it touches the back of the rack,
the rail is positioned at the back part, since the rail is threaded,
there’s no need to use cage nuts as is required in the front. Finally,
insert two standard M5 screws (not shipped with the product) to
secure the rail.
Figure 26 – Installing the mounting rail in the rear of the rack
Table 14 – Installing the extension rail for rear mounting on the rack
4.5
C
ONNECTING THE PROTECTIVE GROUNDING
The DM4270 has a place on its rear panel to attach a cable to connect the Protective
Grounding.
The grounding cable is not part of the basic accessories shipped with the switch. The
cable indicated for the installation must have a thickness of 10 to 12 AWG. The color of
the cable must follow the specific requirements of the country where the switch will be
installed; most countries determine that the cable should be green with yellow stripes.
Step 1
Locate the grounding connector located in the back of the
equipment, as shown in figures 20 and 21, and remove the
connector with a Philips screwdriver.
Step 2
Secure the cable to the grounding connector.
Step 3
Cut the cable at a suitable length to connect it with the
grounding installation.
Step 4
Screw the connector to the equipment using the same screw
removed in step 1.
Step 5
Secure the other end of the cable to the installation ground.
Table 15 – Steps for the installation of the protection grounding
4.6
V
ENTILATION
The DM4270 ventilation airflow is provided by the inlets on the front side of the
equipment and through the outlets on the rear, as in figures 27 and 28. For the correct
