Planet Networking & Communication GSD-1222VHP User Manual page 12

 Power over Ethernet
„ Complies with IEEE 802.3af/at Power over Ethernet end-span PSE
„ Up to 8/16/24 ports of IEEE 802.3af/at devices powered
„ Supports PoE Power up to 32 watts for each PoE port
„ Each port supports 52V DC power to PoE powered device (GSD-1222VHP)
„ 120-watt PoE budget (GSD-1222VHP)
„ Each port supports 54V DC power to PoE powered device (GSW-1820VHP/
GSW-2620VHP)
„ 300-watt PoE budget (GSW-1820VHP/GSW-2620VHP)
„ Auto detects powered device (PD)
„ Circuit protection prevents power interference between ports
„ Remote power feeding up to 100m in standard mode and 250m in extend
mode
 Smart LCD
„ The LCD switch features "Standard", "VLAN" and "Extend" mode selection;
the "Extend" mode features 30-watt PoE transmit distance of 250m at speed
of 10Mbps and VLAN isolation
„ The LCD switch is able to isolate ports to prevent broadcast storm and defend
DHCP spoofing
„ Power low-voltage, power over-voltage and PSE over-temperature protection
„ Screen saver, fan control, factory default and save configuration
„ PoE management
- Total PoE power budget control
- Per port PoE function enable/disable
- PoE port power feeding priority
- Per PoE port power limitation
- PD alive check
 Switching
„ Hardware-based 10/100/1000Mbps auto-negotiation and auto MDI/MDI-X
„ Flow control for full duplex operation and back pressure for half duplex opera-
tion
„ 9216bytes packet size
„ Integrates address look-up engine, supporting 8K absolute MAC addresses
„ IEEE 802.1Q VLAN transparency
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