HP J9979A Installation And Getting Started Manual page 9

Switch Overview
Switch Hardware Features
HP 1820-8G-PoE+ (65W) Switch (J9982A)
PoE+ ports 1-4
Link/Act and Mode LEDs
Power and Fault/
Locator LEDs
Mode button
Reset button
10/100/1000BASE-T RJ-45 ports
HP 1820-24G-PoE+ (185W) Switch (J9983A)
PoE+ ports 1-12
Power and Fault/
Locator LEDs
Link/Act and Mode LEDs
Reset button Mode button
SFP slots
10/100/1000BASE-T RJ-45 ports
HP 1820-48G-PoE+ (370W) Switch (J9984A)
PoE+ ports 1-24
Power and Fault/
Locator LEDs
Link/Act and Mode LEDs
Reset button Mode button
SFP slots
10/100/1000BASE-T RJ-45 ports
1-3