Lenovo 42U 1200 mm Deep Dynamic Rack Manuale di installazione - Pagina 26

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modems before you open the device covers, unless instructed otherwise in the installation

and configuration procedures.

•

Connect and disconnect cables as described in the following table when installing, moving, or

opening covers on this product or attached devices.

To Connect:

1. Turn everything OFF.

2. First, attach all cables to devices.

3. Attach signal cables to connectors.

4. Attach power cords to outlet.

5. Turn device ON.

Statement 5:

≥ 18 kg (39.7 lb)

CAUTION:

Use safe practices when lifting.

Statement 6:

CAUTION:

Do not place any object on top of a rack-mounted device unless that rack-mounted

device is intended for use as a shelf.

Always install the heaviest devices in the bottom of the rack.

For information about optional, compatible devices that you can install in the rack, go to the ServerProven

Web site at

https://static.lenovo.com/us/en/serverproven/index.shtml.

Installing devices on the rack-mounting flanges

When you install optional devices in the rack, secure the device or the rails for that device on rack-mounting

flanges. Some devices come with threaded holes on the rail-mounting flange. Other devices require that you

use cage nuts to install them in the rack.

To Disconnect:

1. Turn everything OFF.

2. First, remove power cords from outlet.

3. Remove signal cables from connectors.

4. Remove all cables from devices.

≥ 32 kg (70.5 lb)

≥ 55 kg (121.2 lb)