Support

Technical Specifications

Hardware

Software

Device Ports

• 24 10/100/1000BASE-T ports
• 4 combo Mini GBIC (SFP) slots
• RS-232 console port

Standard Support

• IEEE 802.3 10BASE-T/802.3u 100BASE-TX/802.3ab 1000BASE-T
• ANSI/IEEE 802.3 NWay auto-negotiation
• IEEE 802.3x Flow Control

Mini GBIC (SFP) Support

• IEEE 802.3z 1000BASE-LX (DEM-310GT transceiver)
• IEEE 802.3z 1000BASE-SX (DEM-311GT transceiver)
• IEEE 802.3z 1000BASE-LH (DEM-314GT transceiver)
• IEEE 802.3z 1000BASE-ZX (DEM-315GT transceiver)

Switch Fabric

• 35.7mpps (48Gbps)

Diagnostic LEDs

Per device:

• Power
• Console
• RPS

Per RJ-45 port:

• Speed
• Link/Act

Per SFP port:

• Link/Act

Software

VLAN

• IEEE 802.1Q Tagged VLAN
• GARP/GVRP
• Number of VLANs: 255 per device (max.) (64 static VLANs)

Priority Queues (CoS)

• Standard: IEEE 802.1p
• Number of queues: 8 per port

Traffic Classification (CoS)

Can be based on user-definable application types:

• TOS
• Diffserv (DSCP)
• Port-based
• MAC address
• IP address
• TCP/UDP port number

Network Access Security

• Port security features
• 802.1x user authentication
• RADIUS client
• SSH2
• Multi-layer Access Control List (ACL) based on:
• TOS
• Diffserv (DSCP)
• MAC source/destination address
• IP destination address
• TCP/UDP destination port number 

Spanning Tree

• 802.1D
• 802.1w Rapid Spanning Tree *

* Rapid Spanning Tree supported in next firmware release

Multicast

• IGMP Snooping

Port Trunk

Enables grouping of links between the switch and another switch or a server to provide higher bandwidth of up to 8 10/100 ports or up to 8 Gigabit ports with active redundant links.

• Number of trunking group: 32 (max.)
• Number of ports per trunk: 8 (max.)
• Operation mode: load sharing

Performance

Transmission Method

• Store-and-forward

MAC Address Table

• 16K entries per device

MAC Address Learning

• Dynamic entries: automatic update
• Static entries: user-defined

Packet Filtering/Forwarding Rates (half duplex)

• 1,488,100 pps per port (max.)    

RAM Buffer

• 2MB per device

Jumbo Frame Size

• Up to 9216bytes

Broadcast Storm Control

• Rate control of Broadcast, unknown Multicast and Unicast packets

Configuration & Management

Management Support

• SNMP v.1, v.3
• Web-based management
• CLI (command line interface)
• RMON monitoring
• Telnet server
• SYSLOG
• Web GUI traffic monitoring
• Password enable

MIBs

• MIB-II (RFC 1213)
• Bridge MIB (RFC 1493)
• RMON MIB (RFC 1757)
• 802.1Q VLAN/802.1p MIB (RFC 2674)
• IF MIB (RFC 2233)
• Ethernet-like MIB (RFC 1643)
• D-Link enterprise MIB

RMON Groups

• 1, 2, 3, 9 (Alarm, Statistics, History, Event)

IP Number Self-identification

• Through DHCP client, Bootp client

Firmware Upgrade

• TFTP

Console Port

• DB-9 RS-232 DCE

Physical & Environmental

Power Input

• 100 to 120 VAC, 50/60 Hz or 200 to 240 VAC, 50/60 Hz
• Internal universal power supply

Redundant Power Backup Support

• Connector to connect to external redundant power supply

Power Consumption

• 60 watts (max.)

Ventilation

• 40 x 40 mm DC fans x 4
• 60 x 60 mm 5400 RPM fan blower x 1

Operating Temperature

• 0° to 40° C

Storage Temperature

• -25° to 55&° C

Humidity

• 5% to 95% non-condensing

Dimensions

• 441 (W) x 309 (D) x 44 mm (H)
• 19-inch rack-mount width, 1 U height

Weight

• 4 kg

Emission (EMI)

• FCC Class A
• CE Class A
• C-Tick

Safety

• CSA International