60
Installation GREYHOUND Switch
Release
01
04/2016
Power supply unit
Characteristic value P
The supply voltage inputs are designed for operation with safety extra-
low voltage. Connect only SELV circuits with voltage restrictions in line
with IEC/EN 60950-1 to the supply voltage connections.
Make sure that the connected supply voltage complies the
requirements of IEEE 802.3af or IEEE 802.3at:
For the use of type-1-powered devices (PoE):
Rated voltage DC: 48 V
Max. voltage range DC: 45 V ... 57 V
For the use of type-2-powered devices (PoE+):
Rated voltage DC: 54 V
Max. voltage range DC: 51 V ... 57 V
Max. PoE power In total: 185 W
Power loss buffer > 10 ms at 40.8 V DC
a
Overload current protection
at input
Non-replaceable fuse
Peak inrush current < 2.5A (1ms)
Current integral I
2
T0.3A
2
s
a. Only applies to the basic device, not to the connected powered devices.
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