Environmental; Acoustics; Safety - HP J9979A Installation And Getting Started Manual

Specifications
Switch Specifications
A-2
2
The switch automatically adjusts to any voltage between 100-127 or 200-240
volts and either 50 or 60 Hz.
3
The switch can also be powered by a PoE PD connection to Port 1. Port 1 is
an IEEE 802.3af Compatible PD (PoE Powered Device) - Class 3.

Environmental

Operating
Temperature 0°C to 40°C (32°F to 104°F)
Relative humidity 15% to 95% at 40°C (104°F)
(non-condensing)
Maximum altitude 3.0 Km (10,000 ft)*
* The operating maximum altitude should not exceed that of any accessory being connected
to any 1820 Switch.

Acoustics

1820-24G-PoE+ Geraeuschemission LpA=37.9 dB am fiktiven Arbeitsplatz nach DIN 45635 T.19
(J9983A) Noise Emission LpA=37.9 dB at virtual workspace according to DIN 45635 T.19
1820-48G-PoE+ Geraeuschemission LpA=45 dB am fiktiven Arbeitsplatz nach DIN 45635 T.19
(J9984A) Noise Emission LpA=45 dB at virtual workspace according to DIN 45635 T.19
1820-8G, 1820-24G, 1820-48G, and 1820-8G-PoE+ Switches:
Power: 0 dB (no fans)

Safety

Complies with:
EN60950-1:2006+A11:2009+A1:2010+A12:2011 / IEC60950-1:2005;
■
Am1:2009;
CSA22.2 No. 60950-1-07 2nd; UL60950-1 2nd
■
■ EN 60825-1:2007 / IEC 60825-1:2007 Class 1
Non-Operating
-40°C to 70°C (-40°F to 158°F)
15% to 95% at 65°C (149°F)
4.57 Km (15,000 ft)
Noise Emmission