User’s Manual of GS-5220 LCD Series
48
Fan 3 smart fans
Power over Ethernet
PoE Standard IEEE 802.3af/802.3at/802.3bt Ultra PoE PSE
PoE Power Supply Type End-span/Mid-span/UPoE
PoE Power Output Per port 53V DC, 75 watts (max.)
Power Pin Assignment
End-span: 1/2(-), 3/6(+)
Mid-span: 4/5(+), 7/8(-)
UPoE: 1/2(-), 3/6(+),4/5(+), 7/8(-)
PoE Power Budget 400 watts (max.)
PoE Ability PD @ 15 watts 16 units
PoE Ability PD @ 30 watts 13 units
PoE Ability PD @ 60 watts 6 units
Layer 2 Management Functions
Port Configuration
Port disable/enable
Auto-negotiation 10/100/1000Mbps full and half duplex mode selection
Flow control disable/enable
Port Status
Display each port’s speed duplex mode, link status, flow control status,
auto-negotiation status, trunk status
Port Mirroring
TX/RX/Both
Many-to-1 monitor
VLAN
802.1Q tagged based VLAN
Q-in-Q tunneling
Private VLAN Edge (PVE)
MAC-based VLAN
Protocol-based VLAN
Voice VLAN
MVR (Multicast VLAN registration)
Up to 255 VLAN groups, out of 4095 VLAN IDs
Link Aggregation
IEEE 802.3ad LACP/static trunk
9 groups with 2 port per trunk
Spanning Tree Protocol
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)
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