2
IMPORTANT:
For regulatory identification purposes, the A5820AF-24XG switch is assigned a regulatory model
number (RMN) BJNGA-AD0001. This regulatory number should not be confused with the marketing
name HP A5820AF, or product code JG219A.
Safety recommendations
WARNING!
Read all of the safety instructions in the
Compliance and Safety Gui
de supplied with your device before
installation and operation.
This section provides general recommendations. For more information see the Compliance and Safety
Guide included with your device.
Turn off all the power and remove all the power cables before opening the chassis.
Unplug all power and external cables before moving the chassis.
Locate the emergency power off switch before installation and shut off power immediately if
necessary.
Always wear an ESD-preventive wrist strap when installing the device.
Do not stare into the open optical interface; the high power density light can burn the retina.
Use a good grounding system to protect your device against lightning shocks, interferences, and
ESD; this is essential to the operating reliability of your switch.
Make sure that the resistance between the chassis and the ground is less than 1 ohm.
Installation site requirements
This section provides information about temperature and humidity, cleanness, and air quality
requirements.
For the temperature and humidity requirements of different switch models, see ―Environmental
specifications.―
Table 3 Dust concentration limit in the equipment room
Concentration limit (particles/m3)
≤ 3 x 10
4
(No visible dust on desk in three days)
NOTE:
Dust particle diameter ≥ 5 µm
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