Power Specifications

This topic describes power supply specifications, power consumption, and heat dissipation.

Power Supply Specifications

The following table includes power supply specifications for the switch.

800W AC PSU

XN-ACPWR-800W-F/R

800WDC PSU

XN-DCPWR-800W-F/R

Dimensions 3.15 in W x 1.57 in H x 8.11 in D (8.0 cm x 4.0 cm x 20.6 cm) 3.15 in W x 1.57 in H x 8.11 in D (8.0 cm x 4.0 cm x 20.6 cm)
Weight 1.79 lb (0.81kg) 1.85 lb (0.85kg)
Voltage Input Range 100VAC-140 VAC/200VAC-240 VAC -48VDC to -60VDC
Line Frequency Range 50Hz– 60Hz N/A
PSU Input Socket IEC320 C14 Terminal Block
PSU Output Cord IEC320 C13 N/A
Operating Conditions 0°C–55°C operation 0°C–55°C operation

Power Consumption

The following table includes power consumption information for the switch.

Operating ModeTest Conditions Power Consumption
Fan DutyTraffic LoadPort StatusPacket Length (Bytes)Dual Power: PSU1Dual Power: PSU2Single Power: PSU1
Empty mode85%N/AUpN/A152.6 W145.5 W285.9 W
Standby mode85%N/AUpN/A157.6 W151.5 W 297.2 W
Typical mode 85%70% Up1,518 165 W159.8 W 313.6 W
Stress mode 100% 100% Down256 207.8 W204.5 W 406.0 W

Power Consumption and Heat Dissipation

The following table includes power and heat dissipation information for the switch.

Switch Model

Minimum Heat Dissipation (BTU/hr)

(Idle,no ports linked)

Minimum Power Consumption (Watts) (Idle, no ports linked)

Maximum Heat Dissipation (BTU/hr) (Fans high,

all ports 100% traffic)

Maximum Power Consumption (Watts) (Fans high,

all ports 100% traffic)

7720-32C-AC(F/R) 972 BTU/hr 285W 1340 BTU/hr 393W
7720-32C-DC(F/R) 975 BTU/hr 286W 1381 BTU/hr 405W