AC voltage Maximum current Frequency range
1820 48G PoE+
(J9984A)
2
100-127 volts200-240
volts
5 A / 2.5 A 50/60 Hz
1
Requires a connection to an external power adapter. The adapter automatically adjusts to any voltage
between 100 and 240 volts and either 50 or 60 Hz.
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 Non-Operating
Temperature
0°C to 40°C (32°F to 104°F) -40°C to 70°C (-40°F to 158°F)
Relative humidity(non-
condensing)
15% to 95% at 40°C (104°F) 15% to 95% at 65°C (149°F)
Maximum altitude
3.0 Km (10,000 ft)* 4.57 Km (15,000 ft)
* The operating maximum altitude should not exceed that of any accessory being connected to any 1820
Switch.
Acoustics
Noise Emmission
1820 24G PoE+(J9983A) Geraeuschemission LpA=37.9 dB am fiktiven Arbeitsplatz nach DIN 45635 T.
19Noise Emission LpA=37.9 dB at virtual workspace according to DIN 45635
T.19
1820 48G PoE+(J9984A) Geraeuschemission LpA=45 dB am fiktiven Arbeitsplatz nach DIN 45635 T.
19Noise 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
36 Environmental
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