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