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Produkto galimybės:
24 10/100/1000Base-T PoE + 4 100/1000Base-T/SFP Combo Ports L2 Management Switch
Bendros charakteristikos:
 
Interfaces 
• 24 x 10/100/1000BASE-T PoE
• 4 x 100/1000 Mbps GbE/SFP
 
Other Port Standards & Functions
• IEEE 802.3i 10BASE-T Ethernet (twisted-pair copper)
• IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper)
• Auto-negotiation
• IEEE 802.3x Flow Control
• IEEE 802.3z 1000BASE-X Gigabit Fiber
 
Network Cables 
• UTP Cat. 5, Cat. 5e (100 m max.)
 
Full/Half-Duplex 
• Full/half-duplex for 10/100 Mbps speeds
• Full-duplex for 1000 Mbps speed
 
Media Interface Exchange
• Auto MDI/MDIX adjustment for all twisted-pair ports
 
Switching Capacity 
• 56 Gbps
 
Forwarding Method 
• Store-and-forward
 
MAC Address Table Size
• 8K entries
 
MAC Address Update
• Up to 256 static MAC entries
 
64-byte Max. Forwarding Rate
• 41.7 Mpps
 
CPU Memory
• 256 MB 
 
Flash Memory
• 32 MB
 
LEDs
• Power (per device)
• Link/Active/Speed (per port)
• Power Fail/Power Ok (per PoE port)
• PoE Max
• Fan Error
 
Physical/Environmental
MTBF
• 469,262 hours
 
Acoustic
• High speed: 51.7 dB(A), Low speed: 44.9 dB(A)
 
Heat Dissipation
• 900.36 TU/hr
 
Power Input
• AC Input: 100 to 240 V AC, 50/60 Hz
 
Maximum Power Consumption
• 236.9 W/100 V (PoE on), 30.6 W/240 V (PoE off)
 
Maximum PoE Budget
• 193 W
 
Standby Power Consumption
• 19.6 W/100 V, 16.6 W/240 V
 
Dimensions (W x D x H)
• 440 x 250 x 44 mm
 
Ventilation
• 2 x Smart fan
 
Weight
• 3.75 kg
 
Power Surge Protection
• 6KV surge protection 
 
Operating Temperature
• -30 to 50 °C
 
Storage Temperature
• -40 to 70 °C
 
Operating Humidity
• 10% to 90% non-condensing
 
Storage Humidity
• 5% to 90% non-condensing
 
EMI
• FCC class A, CE class A, VCCI, BSMI, CCC
 
Safety Certifications
• cUL, CCC, BSMI
 
Software
L2 Features 
• MAC address table: 8K entries
• Spanning Tree Protocols
  - 802.1D STP
  - 802.1w RSTP
  - 802.1s MSTP
• Loopback detection 
• Mirroring
  - Support 1 mirroring group
  - Support One-to-One, Many-to-One,
  - Support mirroring based on Tx and Rx
• Link aggregation
  - Compliant with 802.3ad
  - Supports max. 8 groups, 8 ports per group
 
L2 Multicasting 
• IGMP Snooping
  - IGMP v1/v2/v3 snooping, v3 awareness
  - Supports 256 groups
  - VLAN/host-based IGMP snooping fast leave 
• MLD Snooping
  - MLD v1, MLD v2
  - Supports 256 groups
 
VLAN 
• 802.1Q tagged VLAN
• VLAN group
• Max. 256 VLAN groups
• Asymmetric VLAN
• Port-based Q-in-Q
• ISM VLAN (multicast VLAN)
• Voice VLAN
• Auto surveillance VLAN
• Selective QinQ
 
L3 Features 
• 1 IP interfaces
• IPv6 Neighbor Discovery (ND)
 
Quality of Service (QoS) 
• CoS based on:
  - Switch port
  - DSCP
• Bandwidth control
  - Port-based (ingress, min. granularity 16 Kbps) 
• Queue handling
  - Strict priority (SPQ)
  - Weighted Round Robin (WRR)
• 8 outbound queues
 
Access Control List (ACL) 
• ACL based on
  - MAC address
  - IPv4/v6 address
  - DSCP
  - TCP/UDP port
  - Protocol 
 
Authentication, Authorization, and Accounting (AAA) 
• 802.1X
  - Port-based access control
• RADIUS accounting 
• Authentication for management access
  - Local, RADIUS
 
Security 
• Smart IP-MAC-Port Binding (Smart IMPB)
• ARP Inspection
• DHCP Snooping
• Broadcast/Multicast/Unicast storm control
• D-Link Safeguard Engine
• DoS attack prevention
• Traffic segmentation
 
Operations, Administration, and Maintenance (OAM) 
• Cable diagnostics
 
Management 
• Web-based GUI (IPv4/IPv6)
• Command Line Interface (CLI) through Telnet or SSH
• Telnet Server 
• TFTP client 
• Command logging
• SNMP v1/v2c/v3
• SNMP traps
• System log
• RMON v1
• LLDP
• BootP/DHCP client
• DHCP auto-configuration 
• Text-editable config file
• DHCP relay (IPv4/IPv6)
  - DHCP relay agent/local relay
  - DHCP relay option 82
• SNTP
• LLDP-MED (for PoE models only)
• Dual Image
 
MIB 
• RFC783, 1350 TFTP
• RFC791 IP
• RFC768 UDP
• RFC793 TCP
• RFC792 ICMPv4
• RFC2463, 4443 ICMPv6
• RFC826 ARP
• RFC951, 1542, 2131 BootP/DHCP Client
• RFC1213 MIB II
• RFC1350 TFTP
• RFC1493 Bridge MIB
• RFC1769 SNTP
• RFC1157, 2570, 2573, 2575, 2576 SNMP MIB
• RFC1442, 1901, 1902, 1903, 1904, 1905, 1906, 1907, 1908, 2578, 3418 SNMPv2 MIB
• RFC1398, 1643, 1650, 2358, 2665 Ether-like MIB
• RFC1321, 2284, 2865, 2716, 3580 Extensible Authentication Protocol (EAP)
• RFC2674 802.1p MIB
• RFC2461, 4861 Neighbor Discovery for IPv6
• RFC2462, RFC4862 IPv6 Stateless Address Auto-configuration (SLAAC)
• RFC2464 IPv6 over Ethernet and definition
• RFC4291 IPv6 Addressing Architecture
• RFC2893, 4213 IPv4/IPv6 dual stack function
• RFC2138, 2139, 2618, 2865 RADIUS Authentication Client MIB
• RFC2475, 2598 CoS
• RFC3164, 3195 System Log
• RFC3411, 3412, 3413, 3414, 3415, 3416, 3417 SNMPv3
• Private MIB

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