48 Port 10/100, 2 Port 10/100/1000 L2 Access Switch & 2 Expansion Slot Modules

PD1-S21-4481-C 
Features

Performance:
  • 36Gbps switch fabric, wire-speed forwarding rate: 13.1 Mpps.
  • High port density. 48 Fast Ethernet ports, 2 Gigabit Ethernet ports, 2 Gigabit SFP slots.
  • 80-km transfer by Gigabit optical fiber, direct connection to WAN.
Security and reliability:
  • IEEE 802.1x.
  • Powerful ACL supports L2-L7 data filtering.
  • Intelligent forwarding, complete defense against viruses like ‘Code Red’ or ‘Blaster’.
  • QinQ support. Double VLAN security.
Easy maintenance:
  • Automatic recognition for straight-through or crossover cables.
  • Stackable physically and through cluster technology. Central management with unified IP address saves IP addresses.
  • Management via CONSOLE port, SNMP, Web, Telnet, etc.
  • Support (Terrabit Networks) Prodigy Director, HP Open View, Cisco Works 2000.
Traffic and broadcast control:
  • Auto-detection and restraining of broadcast/multicast/DLF storm, IGMP snooping, effectively restrict broadcast flooding.
  • Full- and half- duplex traffic control.
  • Ethernet port rate limiting with 64K step size.
  • Ethernet port rate limiting at 1M step size.
  • QoS support.
  • Jumbo frame.

Technical Specifications
 

Standard:

  • IEEE 802.1D STP.
  • IEEE 802.1w RSTP.
  • IEEE802.1s MSTP, PVST.
  • IEEE 802.1x port-based user authentication.
  • QinQ double VLAN security.
  • Port Security, static max.16 MAC addresses per port, dynamic max. 8K MAC address per port.
  • Hardware support for IP ACL, MAC ACL, VLAN ACL.
  • Port-based user authentication by combinations and bandings of port, IP address, and MAC address.
  • Remote authentication through RADIUS.
  • User privilege classification and password protection.
Interface:
  • Port & Slot: 48 * 10/100M TX, 2 * 10/100/1000M TX, 2 * GSFP slots, 1 * Console Port.

Performance:

  • Processor: MPC 50MHz.
  • FLASH: 4 MB.
  • Memory: 64 MB.
  • Switch Fabric: 36 Gbps.
  • Forwarding Rate: 13.1 Mpps.
  • Switching Mode: Store-and-forward.
  • MAC Address Table Size: 8 K.
  • L2 multicast groups Table : 4 K.
  • Queuing Buffer: 64 MB.
  • Jumbo frame: 2 K.
  • 802.1Q VLAN: 1 ~ 4094, partition at will.
  • Stacking: Hardware stack upto 16 , software stack upto 32.
  • LED Indicators: Power, system, link, activity, 10/100M.
  • VLAN: Port-based VLAN, 802.1Q tag VLAN, Super VLAN, Private VLAN, GVRP dynamic VLAN configuration.
  • Traffic Control: Back pressure at half-duplex, 802.3x at full-duplex, CAR support, 1M step size at 100M ports and 8M step size at 1000M ports.
  • Storm Control: Broadcast, multicast, DLF.
  • L2 Multicast: IGMP snooping.
  • Port Trunking: Up to 6 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 256, manageable through single IP.
  • QoS:
    • Head Of Line (HOL) blocking prevention mechanism.
    • 4 dispatching queues per port, mapping the 8 priority queues in 802.1p.
    • WRR, WRR+SP(hybrid1), 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
  • Software Upgrade: TFTP/FTP.
  • Configuration Upload/download: TFTP/FTP.

Power Requirements:

  • Power Consumption: 40 W (max).
  • Power input: AC 100~240 V, 47 ~ 63 Hz, 1A/230V, RPS power hot standby.
Physical Characteristics:
  • Dimensions (LxWxH) (mm): 442x385x44mm.
Environmental Limits:
  • Operating Temperature: 0 ~ 50°C.
  • Non-operating Temperature: -40 ~ 70°C.
  • Humidity: 0 ~ 90% (no condensing).
Optional Accessories:
  • For Optional Fiber Module, please refer to Spectrum Terrabit Transceiver.

Ordering Information

 

Model Description
PD1-S21-4481-C 48 Port 10/100, 2 Port 10/100/1000 L2 Access Switch & 2 Expansion Slot Modules