D-Link DGS-1500-28 Datasheet - Page 5

DGS-1500-20/28/28P/52 SmartPro Switch DGS-1500-20 DGS-1500-28 DGS--1500-28P DGS-1500-52 Physical & Environmental AC Input 100 to 240 VAC, 50/60 Hz internal universal power supply Maximum Power Consumption 14.06 W 16.81 W 447 W (PoE on) 30.1 W (PoE off) 43.5 W Standby Power Consumption 6.7 W/100 V 7.2 W/240 V 5.9 W/100 V 6.42 W/240 V 19.7 W/100 V 19.8 W/240 V 20.68 W/100 V 22.05 W/240 V Fan Quantity - 2 smart fans Acoustics 0 dBA High speed: 55.3 dBA Low speed: 49.5 dBA 47.1 dBA (Max.) Heat Dissipation 47.97 BTU/hr 57.36 BTU/hr 1525.16 BTU/hr 148.42 BTU/hr Operating Temperature -5 to 50 ˚C (41 to 122 ˚F) Storage Temperature -20 to 70 ˚C (-4 to 158 ˚F) Operating Humidity -5 to 50 ˚C (41 to 122 ˚F) Dimensions (L x W x H) 17.32 x 5.51 x 1.73 inches (19" standard rack mounting width, 1U height) 17.32 x 8.27 x 1.73 inches (19" standard rack mounting width, 1U height) 17.32 x 12.20 x 1.73 inches (19" standard rack mounting width, 1U height) 17.32 x 9.84 x 1.73 inches (19" standard rack mounting width, 1U height) Weight 4.85 lbs 6.39 lbs 11.16 lbs 9.04 lbs Diagnostic LEDs Power (Per device) Link/Activity/Speed (Per 10/100/1000 Mbps port) Link/Activity/Speed (Per SFP port) Power (Per device) Link/Activity/Speed (Per 10/100/1000 Mbps port) Link/Activity/Speed (Per SFP port) PoE (Per 10/100/1000 Mbps port) PoE Max RPS LED Select Indicator button Power (Per device) Fan (Per device) Link/Activity/Speed (Per 10/100/1000 Mbps port) Link/Activity/Speed (Per SFP Certifications FCC Class A, CE Class A, ICES-003, VCCI Class A, C-Tick, BSMI Safety UL/cUL, LVD MTBF 253,460 hours 236,739 hours 206,075 hours 201,517 hour