HP J9981A Installation And Getting Started Guide

A-1
A
Specifications
Switch Specifications
Physical
Electrical
1
Requires a connection to an external power adapter. The adapter automati-
cally adjusts to any voltage between 100 and 240 volts and either 50 or 60 Hz.
Width Depth Height Weight
1820-8G (J9979A) 25.4 cm (10.0 in) 15.95 cm (6.28 in) 4.4 cm (1.73 in) 0.8 kg (1.8 lb)
1820-24G (J9980A) 44.25 cm (17.42 in) 24.61 cm (9.69 in) 4.4 cm (1.73 in) 2.7 kg (6.0 lb)
1820-48G (J9981A) 44.25 cm (17.42 in) 24.61 cm (9.69 in) 4.4 cm (1.73 in) 3.3 kg (7.3 lb)
1820-8G-PoE+ (J9982A) 25.40 cm (10.0 in) 15.95 cm (6.28 in) 4.4 cm (1.73 in) 0.9 kg (2.0 lb)
1820-24G-PoE+ (J9983A) 44.25 cm (17.42 in) 24.61 cm (9.69 in) 4.4 cm (1.73 in) 3.3 kg (7.3 lb)
1820-48G-PoE+ (J9984A) 44.25 cm (17.42 in) 32.26 cm (12.7 in) 4.4 cm (1.73 in) 4.4 kg (9.7 lb)
AC voltage Maximum current Frequency range
1820-8G (J9979A)
1,3
100-240 volts 0.2 A 50/60 Hz
1820-24G (J9980A)
2
100-127 volts
200-240 volts
0.5 A / 0.3 A 50/60 Hz
1820-48G (J9981A)
2
100-127 volts
200-240 volts
0.7 A / 0.4 A 50/60 Hz
1820-8G-PoE+ (J9982A)
1
100-240 volts 0.9 A 50/60 Hz
1820-24G-PoE+ (J9983A)
2
100-127 volts
200-240 volts
2.6 A / 1.3 A 50/60 Hz
1820-48G-PoE+ (J9984A)
2
100-127 volts
200-240 volts
5 A / 2.5 A 50/60 Hz

HP J9981A Specifications

General

Management	Managed
PoE	No
Jumbo Frame Support	Yes
Form Factor	Rack-mountable
Model	J9981A
Layer	Layer 2
Weight	2.5 kg
MAC Address Table Size	16, 000 entries
Power Supply	Internal
Operating Temperature	0°C to 40°C
Ports	24 x 10/100/1000BASE-T ports 4 x SFP+ ports
Humidity	15% to 95% non-condensing