User guide

Specifications
UniFi Switch
Dimensions 485 x 43.7 x 285.4 mm (19.09 x 1.72 x 11.24")
Weight
US‑24‑250W
US‑24‑500W
4.7 kg (10.4 lb)
4.8 kg (10.6 lb)
Total Non‑Blocking Line Rate 26 Gbps
Max. Power Consumption
US‑24‑250W
US‑24‑500W
250W
500W
Power Method 100‑240VAC/50‑60 Hz, Universal Input
Power Supply
US‑24‑250W
US‑24‑500W
AC/DC, Internal, 250W DC
AC/DC, Internal, 500W DC
Certications CE, FCC, IC
Rack‑Mount Yes, 1U High
ESD/EMP Protection Air: ± 24 kV, Contact: ± 24 kV
Operating Temperature ‑5 to 40° C (23 to 104° F)
Operating Humidity 5 to 95% Noncondensing
Shock and Vibration ETSI300‑019‑1.4 Standard
LEDs Per Port
Serial Console Port N/A
RJ45 Data Ports PoE, Speed/Link/Activity
SFP Data Ports Speed/Link/Activity
Interfaces
Networking Interfaces (24) 10/100/1000 Mbps RJ45 Ethernet Ports
(2) 1 Gbps SFP Ethernet Ports
Management Interface (1) RJ45 Serial Port, Ethernet In/Out Band
PoE Per Port
PoE Interfaces
POE+ IEEE 802.3af/at (Pins 1, 2+; 3, 6‑)
24VDC Passive PoE (Pins 4, 5+; 7, 8‑)
Max. PoE+ Wattage per
Port by PSE
34.2W
Voltage Range 802.3at
Mode
50–57V
Max. Passive PoE Wattage
per Port
17W
24V Passive PoE Voltage
Range
20‑27V