48 Port 10/100 L2 Manage Switch & 2 Expansion Module Slot

PD1-S21-4481
Features

Performance:
  • 36Gbps switch fabric, wire-speed forwarding rate: 13.1 Mpps.
  • High port density. 48 Fast Ethernet ports, 4 Gigabit ports.
Security and reliability:
  • IEEE 802.1x.
  • Powerful ACL supports L2-L7 data filtering.
  • Intelligent forwarding, complete defense against viruses like ‘Code Red’ or ‘Blaster’.
  • RPS power hot standby.
  • QinQ support. Double VLAN security.
Easy maintenance:
  • Automatic recognition for straight-through or cross- over cables.
  • Stackable physically and through cluster techno-logy. 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 storm, IGMP snooping, effectively restrict broadcast flooding.
  • Full- and half- duplex traffic control.
  • Ethernet port rate limiting with 64K 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, 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 protec-tion, DHCP-snooping, IP Source Guard, ARP inspection
Interface:
  • Port & Slot: 48 * 10/100M TX, 2 * 100/1000M Slots(support up to 4 Gigabit Ports), 1 * Console Port

Performance:

  • Processor: RISC 300MHz
  • FLASH: 8 MB
  • Memory: 128 MB (up to 512 MB)
  • Switch Fabric: 36 Gbps
  • Forwarding Rate: 13.1 Mpps
  • Switching Mode: Store-and-forward
  • MAC Address Table Size: 16 K
  • Queuing Buffer: 64 MB
  • Jumbo frame: 16383
  • 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, Private VLAN, GVRP dynamic VLAN configuration
  • Traffic Control: Back pressure at half-duplex, 802.3x at full-duplex, CAR support, 64K step size
  • Storm Control: Stop sending at threshold to restrict broadcast storms
  • Multicast Control: IGMP snooping
  • Port Trunking: Up to 8 groups with up to 32 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
    • 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
  • Configuration Upload/download: TFTP

Power Requirements:

  • Power Consumption: 60 W (max.)
  • Power input: AC 100~240 V, 47 ~ 63 Hz, 1A/230V, RPS power hot standby
Physical Characteristics:
  • Dimensions (LxWxH) (mm): 442x316x44mm
  • Weight: 6kg 
Environmental Limits:
  • Operating Temperature: 0 ~ 50°C
  • Non-operating Temperature: -40 ~ 70°C
  • Humidity: 0 ~ 90% (no condensing)
Optional Accessories:
  • PD1-LS1-2GE1-TX/SFP: 2-port 10/100/1000M TX/Gigabit SFP Combo Module (need SFP module)

 Ordering Information

Model Description
PD1-S21-4481 Network management Switch, 48 ports 10/100M TX + 2 extendable 10/100/1000M TX/Gigabit SFP Combo Module slots(up to 4 Gigbits ports), support rps redundant power supply