Features

 

Excellent Performance:

• 256 Gbps switch fabric, at least extend to 4 GSFP/TX Combo ports.
• Hardware routing, wire-speed L2 switching, packet forwarding rate: 131Mpps.
• Giga optical fiber supports up to 80 km long distance transfer, direct connection to MAN backbone networks.

Security and reliability:

• Quota system for connected hosts per port.
• IEEE 802.1x port-based user authentication.
• Ethernet port trunking provides more bandwidth and system redundancy.
• Powerful ACL supports L2-L4 data filtering.

Easy maintenance:

• Supports device stacking through cluster. technology. Central management with unified IP address saves IP addresses.
• Management via CONSOLE port, Web, SNMP, etc.
• BootRom and other software upgrade through TFTP/FTP.
• Support DHCP and relay, provide dynamic IP address assignment.
• Support SFP standard interface, protect your investment.
• Redundant power supply.

Powerful traffic and broadcast control:

• Automatically detect and restrain broadcast storm, support IGMP datagram snooping, effectively restrict broadcast flooding.
• Full- and half- duplex traffic control.
• Ethernet port bit rate quota.
• Advanced buffer management supports 802.1p, with 4 dispatching queues per port mapping the 8 priority queues in 802.1p.
• IP multicast and QoS support.
• Jumbo frame.

Multiple routing polices:

• Static routing.
• Support RIP v1/v2, OSPF v2, and many other dynamic routing protocols.
• Support PIM-SM, PIM-DM and many other multicast routing protocols.

Technical Specifications

 

Standard:

• IEEE 802.1D (STP), IEEE 802.1w (RSTP), IEEE 802.1s MSTP 
• IEEE 802.1x port-based user authentication
• Port Security
• Hardware support for IP ACL, MAC ACL, VLAN ACL
• Hardware support for port-based user authentica-tion by combinations and bandings of port, IP add-ress, and MAC address
• Web user authentication
• RADIUS
• Remote authentication through RADIUS
• User privilege classification and password protection
• DHCP snooping, DHCP option82, IP Source Guard

Interface:

• Port: 24 10/100/1000M TX, 4 GSFP/TX Combo, 4 10GE/GE autoadaptation SFP+ ports, 1 Console Port

Performance:

• Switch Fabric: 256G bps
• Switching Mode: Store-and-forward
• MAC Address Table Size: 16 K
• Queue Buffer: 64 MB
• Jumbo frame: 9612
• VLAN: Port-based VLAN, 802.1Q tag VLAN, Super VLAN, Private VLAN, GVRP dynamic VLAN configuration, VLAN Stacking (QinQ)
• Traffic Control: Back pressure at half-duplex, 802.3x at full-duplex, CAR support, 100M port: 1M step size; 1000M port: 8M step size
• Storm Control: Stop sending at threshold to restrict broadcast/multicast/unicast storms
• Multicast Control: IGMP snooping
• Multicast Protocol: IGMP v1/v2/v3, PIM-SM, PIM-DM
• Port Trunking: Up to 32 groups with up to 8 ports per group, dynamic LACP or static aggregation
• Port Mirroring: Supported. Can be based on flow classification
• Clustering: Up to 32, manageable through single IP
• Unicast: Static, RIP v1/v2, OSPF v2, BGP v4
• Policy-based Routing: IP-based routing policies
• Redundant Routing: VRRP
• Proxy: Proxy ARP
• DHCP: DHCP Server/Client/Relay
• NAT: Static or dynamic NAT
• QoS: 
  • Head Of Line(HOL) blocking prevention mechanism
  • 4 dispatching queues per port, mapping the 8 priority queues in 802.1p
  • WRR, SP, and FIFO queuing algorithms
  • Best Effort Service
  • Differentiated Service 
  • Strict Priority 
  • Weighted Round Robin 
  • First Come First Serve
  • TOS re-tagging, RTS
• Network Management:
  • SNMP v1/v2, RMON(Group 1, 2, 3, 9), Telnet 
  • Command Line Interface(CLI), Web interface
  • Support PRODIGY network management tools suite: Prodigy Director, NTP, SSH, LLDP

Power Requirements:

• Power Consumption: 40 W (max.)
• Power input: AC 100 ~ 240 V

Physical Characteristics:

• Dimensions (LxWxH) (mm): 442x316x44mm

Environmental Limits:

• Operating Temperature: 0 ~ 50°C
• Non-operating Temperature: -20 ~ 70°C
• Humidity: 5 ~ 95% (no condensing)

Optional Accessories:

• For Optional Fiber Module, please refer to Spectrum Terrabit Transceiver.

 

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Ordering Information

PD1-S21-7281-PoE

Ethernet PoE switch with 24 gigabit TX ports and 4 10G gigabit optical ports (1 console port, 24 gigabit PoE TX ports, 4 gigabit optical ports (SFP), an AC220V power source, 370W PoE power consumption, fan-based heat cooling, 1U, 19-inch rack-mounted installation)

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