Chapter 4
| Power and Grounding
DC Power Supply
– 32 –
DC Power Supply
The ECS4620-28T-DC and ECS4620-28F-DC require power from an external DC
power circuit that can provide 36 to 75 VDC. A DC terminal is located on the rear
panel of the switch. The terminal is for connecting the DC power circuit.
Figure 17: DC Terminal
Table 2: AC Power Supply Specifications
Item Description
AC Input ECS4620-28T: 100 to 240 V, 50-60 Hz, 1.5 A
ECS4620-28P: 100 to 240 V, 50-60 Hz, 10 A
ECS4620-28F: 100 to 240 V, 50-60 Hz, 2 A
ECS4620-52T: 100 to 240 V, 50-60 Hz, 2 A
ECS4620-52P: 100 to 127 V, 12 A ; 200 to 240 V , 6 A , 50-60 Hz
Maximum Power
Consumption
ECS4620-28T: 40 W max. (with expansion module)
ECS4620-28P: 501 W max. (with expansion module and PoE enabled)
ECS4620-28F: 50 W max. (with expansion module)
ECS4620-28F-DC: 60 W max. (with expansion module)
ECS4620-52T: 70 W max. (with expansion module)
ECS4620-52P: 960 W max. (with expansion module and PoE enabled)
The ECS4620-52P maximum power consumption is reduced to 780 W
when the device is powered from a connected RPS.
VDC Power Pin Chassis Ground Pin
VDC Return Pin
Table 3: DC Power Supply Specifications
Item Description
DC Input ECS4620-28T-DC: 36 to 75 VDC 2.5 A
ECS4620-28F-DC: 36 to 75 VDC 3.82 A
Maximum Power
Consumption
ECS4620-28T-DC: 40 W max. (without expansion module)
ECS4620-28F-DC: 60 W max. (without expansion module)
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