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Preparing for installation
The HP 1620 Gigabit Ethernet Switch Series includes the models listed in Table 1.
Table 1 HP 1620 Gigabit Ethernet Switch Series models
Product code HP description Alias RMN
JG912A HP 1620-8G Switch 1620-8G HNGZA-HA0017
JG913A HP 1620-24G Switch 1620-24G HNGZA-HA0018
JG914A HP 1620-48G Switch 1620-48G HNGZA-HA0019
IMPORTANT:
For regulatory identification purposes, the switches are assigned Regulatory Model Numbers (RMNs). The
RMNs should not be confused with the marketing name HP 1620, or the product codes.
Safety recommendations
To avoid any equipment damage or bodily injury, read the following safety recommendations before
installation. The recommendations do not cover every possible hazardous condition.
• To avoid damage to the electrolytic capacitor in the switch, do not store the switch without power for
more than one year.
• Before cleaning the switch, remove all power cords from the switch. Do not clean the switch with a
wet cloth or liquid.
• Do not place the switch near water or in a damp environment. Prevent water or moisture from
entering the switch chassis.
• Do not place the switch on an unstable case or desk. The switch might be severely damaged in case
of a fall.
• Ensure good ventilation of the equipment room and keep the air inlet and outlet vents of the switch
free of obstruction.
• Make sure the operating voltage is in the required range.
• To avoid electrical shocks, do not open the chassis while the switch is operating or when the switch
is just powered off.
• The accessories shipped with the switch, including but not limited to power cables, are intended
only for the switch. Please do not use them for other products.
Examining the installation site
The switches must be used indoors. You can mount your switch in a rack or on a workbench, but make
sure:
• A minimum clearance of 5 cm (1.97 in) is reserved at the air inlet and exhaust vents for ventilation.
• The rack or workbench has a good ventilation system.
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