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2. Product Features
Physical Port
16-/24-port 10/100/1000BASE-T Gigabit RJ45 copper
2 1000BASE-X SFP slots
Power over Ethernet
Complies with IEEE 802.3af/at Power over Ethernet end-span PSE
Upto16/24portsofIEEE802.3af/802.3atdevicespowered
Supports PoE power up to 30 watts for each PoE port with up to 250W
PoE budget.
PD alive check function
Each port supports 54V DC power to PoE powered device
Auto detects powered device (PD)
Circuit protection prevents power interference between ports
Remote power feeding up to 100m in standard mode with 250m in
extend mode
Switching
Hardware-based 10/100/1000Mbps auto-negotiation and auto MDI/MDI-X
Supports IEEE 802.3x ow control for full-duplexmodeand backpressure
for half-duplex mode
Integrates address look-up engine, supporting 8K absolute MAC addresses
9K jumbo frame supports all speeds (10/100/1000Mbps)
IEEE 802.1Q VLAN transparency
Hardware-based DIP switch for Standard, VLAN and Extend mode
selection;
- VLAN mode:
For GSW-1820HP:
- Ports 1 to 14 will isolate respectively.
- Ports 1 to 14 can only communicate with ports 15~16 (uplink
ports) and SFP ports 17~18.
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