• 8x 10/100Mbps Fast Ethernet ports
• 1x 10/100/1000BASE-T Gigabit Ethernet port
• 1x 1000BASE-X mini-GBIC SFP interface

  Power over Ethernet:

• Complies with IEEE 802.3af/at Power over Ethernet end-span
• Up to 8 IEEE 802.3af/2 IEEE 802.3at devices powered
• Supports PoE power up to 30 watts for each PoE port
• 120-watt PoE budget
• 8 ports supporting 52V DC power to PoE powered device (Ports 1 to 8)
• Hardware DIP switch for "Standard", "VLAN' and "Extend" mode selection; the "Extend" mode features 30-watt PoE transmit distance of 250m at speed of 10Mbps and VLAN isolation
• Auto detects powered device (PD)
• Circuit protection prevents power interference between ports
• Remote power feeding up to 100m in the standard mode

  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 operation
• Integrates address look-up engine, supporting 4K absolute MAC addresses
• Automatic address learning and address aging
• Solid DIP switch to isolate ports to prevent broadcast storm and defend DHCP spoofing

  Hardware:

• 9-inch desktop size, 1U height, mountable
• LED indicators for PoE ready/activity and LINK/ACT
• Fanless design
• Internal AC power supply
• Support Energy-Efficient Ethernet (EEE) function (IEEE 802.3az)

• passive PoE
• Input 12 - 57V
• Max 2A

  The GPEN21 is a smart power injector that serves as an advanced software controlled repeater. Not only can it power your uplink devices via PoE, it can also provide a range of useful software features:  

• Interface management and monitoring
• GPEN link fault detection
• VLAN support
• SNMP reporting
• Basic traffic shaping

  GPEN21 has an Ethernet and SFP port for fiber connectivity. Customers can choose to use GPEN21 to power optical module for uplink to provider, or to provide PoE to power Ethernet uplink to provider (that uses our GPeR and/or netPower products) The GPEN unit can be securely attached to a wall or the communications cabinet. The Ethernet cable can be routed either directly through its bottom cable opening or into the wall, as preferred.