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Standards
IEEE 802.1D-2004 for Spanning Tree Protocol
IEEE 802.1p for Class of Service
IEEE 802.1Q for VLAN Tagging
IEEE 802.1s for Multiple Spanning Tree Protocol
IEEE 802.1w for Rapid Spanning Tree Protocol
IEEE 802.1X for Authentication
IEEE 802.3 for 10BaseT
IEEE 802.3ab for 1000BaseT(X)
IEEE 802.3ad for Port Trunk with LACP
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3x for flow control
IEEE 802.3z for 1000BaseSX/LX/LHX/ZX
IEEE 802.3bt for Power over Ethernet
PoE Information
Total PoE Power
Budget
300 W
PoE Output Power For each PoE port: 15.4 W in IEEE 802.3af, 30 W in
IEEE 802.3at*, 90 W in IEEE 802.3bt
*The power consumption tested for UL certification.
Power Parameters
Input Voltage
RKS-G4028-LV Models: 24/48 VDC
RKS-G4028-2LV Models: 24/48 VDC (redundant
dual inputs)
RKS-G4028-HV Models: 110/220 VAC, 110/220
VDC
RKS-G4028-2HV Models: 110/220 VAC, 110/220
VDC (redundant dual inputs)
PoE Models: 48 VDC (for PoE system)
Operating Voltage RKS-G4028-LV Models: 18 to 72 VDC
RKS-G4028-2LV Models: 18 to 72 VDC
RKS-G4028-HV Models: 85 to 264 VAC, 88 to 300
VDC
RKS-G4028-2HV Models: 85 to 264 VAC, 88 to 300
VDC
PoE Models: 46 to 57 VDC (for PoE system)
Overload Current
Protection
Supported
Reverse Polarity
Protection
Supported
Input Current
RKS-G4028-LV/2LV models:
•
Max. 2.53 A @ 24 VDC
•
Max. 1.25 A @ 48 VDC
RKS-G4028-HV/2HV models:
•
Max. 0.55 A @ 110 VDC
•
Max. 0.29 A @ 220 VDC
•
Max. 1.01 A @ 110 VAC
•
Max. 0.62 A @ 220 VAC
EPS (only for PoE model):
•
Max. 7.50 A @ 48 VDC
Physical Characteristics
IP Rating
IP30
Dimensions
440 x 44 x 300 mm (17.32 x 1.73 x 11.81 in)