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Product features:
24-Port 10/100Mbps PoE + 2 Combo 1000BASE-T/SFP + 2 10/100/1000BASE-T L2 Management Switch
General features:
Hardware Version
C1
 
Size 
19” inch Standard Rack-mount Width, 1U Height
 
Interface
24 10/100 Base-TX PoE +2 10/100/1000BASE-T + 2 Combo 10/100/1000 BASE-T/ 100/1000 SFP 
 
Performance
• Switching Capacity: 12.8 Gbps
• 64-byte Maximum Forwarding Rate: 9.5 Mpps
• MAC Address Table Size: 16K Entries
• SDRAM for CPU: 128 M DDR2
• Packet Buffer: 1.5 MB
• Flash Memory: 32 MB
• Jumbo Frame: 12 KB
 
LED
• Power (Per Device)
• Console (Per Device)
• Link/Active/Speed (Per Port)
 
Stackability
• Virtual Stacking D-Link Single IP Management
• Up to 32 units per Virtual Stack 
 
L2 Features
• MAC address table: 16K
  • Flow Control
  • 802.3x Flow Control
  • HOL Blocking Prevention 
• Jumbo Frame up to 12K bytes 
• Spanning Tree Protocols
  • 802.1D STP
  • 802.1w RSTP
  • 802.1s MSTP
• BPDU Filtering
  • Root Restriction
  • Loopback Detection
• Link Aggregation
  • Complies with 802.1AX and 802.3ad
  • DES-3200-28/28F/28/ME/28P: Max. 14 groups, 8 ports per group
  • DES-3200-52/52-DC/52P: Max. 26 groups, 8 ports per group
• Port Mirroring:
  • Supports 1 Mirroring group
  • Supports One-to-One, Many-to-One, Flow-based (ACL) mirroring
  • Ethernet Ring Protection Switching (ERPS)
  • L2 Protocol Tunneling (L2PT)
 
L2 Multicasting
• IGMP Snooping: 
  • IGMP v1/v2 snooping, v3 awareness
  • Supports 1024 Groups
  • Port/Host-based IGMP snooping Fast Leave
  • Report Suppression
• MLD Snooping
• MLD v1, MLD v2 awareness 
• Support 1 K groups
• Host-based MLD snooping 
• Fast Leave
• IGMP Authentication  
• IGMP/MLD Proxy Reporting 
 
VLAN
•  802.1Q Tagged VLAN
• VLAN Group
  • Max. 4K VLAN
• Port-based VLAN
• MAC-based VLAN
• GVRP
• 802.1v Protocol VLAN
• VLAN Trunking 
• Double VLAN (Q-in-Q)
  • Port-based Q-in-Q     
  • Selective Q-in-Q
• ISM VLAN
• VLAN Translation
• Voice VLAN
 
L3 Features
• IPv6 Neighbor Discovery (ND)
 
QoS
• Bandwidth Control
  • Port-based (Ingress/Egress, Min. Granularity 8 Kbps) 
  • Flow-based (Ingress/Egress, Min. Granularity 8 Kbps) 
  • Per egress queue bandwidth control (Min.Granularity 8 Kbps
• 8 Queues per Port
• DSCP
• 802.1p
• Queue Handling
  • Strict Priority
  • Weighted Round Robin (WRR)
  • Strict + WRR
• Three Color Marker
  • trTCM
  • srTCM
 
Quality of Service (QoS)
• CoS Based on:
  • Switch port 
  • 802.1p Priority Queues
  • VLAN ID
  • MAC Address
  • Ether type
  • TOS
  • DSCP
  • Protocol Type
  • TCP/UDP Port
  • IPv6 Traffic Class
  • IPv6 Flow Label
  • User-Definited Packet Content
• Supports Following Actions for Flows
  • Remark 802.1p Priority Tag
  • Remark TOS/DSCP Tag
  • Bandwidth Control Flow Statistic
 
Access Control List (ACL)
• Up to 1024 ingress access rules
• ACL Based on
  • Switch Port 
  • 802.1p Priority
  • VLAN ID
  • Ether Type 
  • IPv4/v6 address
  • DSCP
  • Protocol Type
  • TCP/UDP Port Number
  • IPv6 Traffic Class
  • IPv6 Flow Label
  • User-Defined Packet Content
  • Time-based ACL
  • ACL statistics
  • CPU interface filtering
 
Security
• SSH v1, v2
• SSL v1, v2, v3
• Port Security
• Up to 64 MAC addresses per port
• Broadcast/Multicast/Unicast Storm Control
• Traffic Segmentation
• IP-MAC-Port Binding
  • ARP Inspection
  • IP Inspection
  • DHCP Snooping
• D-Link Safeguard Engine 
• DHCP Server Screening
• DHCP Client Filtering
• ARP Spoofing Prevention
• BPDU Attack Protection
• NetBIOS/NetBEUI Filtering
• DoS Attack Prevention
• L3 Control Packet Filtering
 
AAA
• 802.1X
  • Port-based Access Control
  • Host-based Access Control
  • Dynamic VLAN assignment 
• Identity-driven Policy (VLAN, ACL, or QoS) Assignment 
• MAC-based Access Control (MAC)
  • Port-based Access Control
  • Host-based Access Control
• Web-based Access Control (WAC)
  • Port-based Access Control
  • Host-based Access Control
• Microsoft® NAP(IPv4/v61)
  • Support 802.1X NAP
  • Support DHCP NAP
• Guest VLAN
• RADIUS Accounting
• RADIUS (IPv4/v61)
• TACACS
• TACACS+
• XTACACS+
• Trusted Host
 
OAM
• Cable Diagnostics
• 802.3ah Ethernet Link OAM 
• Dying Gasp
• 802.1ag Connectivity Fault Management (CFM)
• 802.3ah D-Link extension: D-Link Unidirectional Link Detection (DULD) 
 
Green
• D-Link Green 3.0: Power saving function
  • LED Shut-Off
  • Port Shut-Off 
  • System Hibernation
  • Power Saving by Time-based PoE 
 
Management
• Web-based GUI (IPv4)
• Command Line Interface (CLI)
• Telnet Server/ Client (IPv4)
• TFTP Client (IPv4)
• FTP Client (IPv4)
• Zmodem
• Command Logging 
• SNMP v1/v2c/v3
• SNMP Traps
• System Log
• RMON v1
  • Supports 1,2,3,9 Groups
• RMON v2
  • Supports ProbeConfig Group
• LLDP
• 802.1AB
• LLDP-MED1
• BootP/DHCP Client
• DHCP Auto-Configuration
• DHCP Relay (IPv4)
 
Management
• DHCP Relay Option 12
• DHCP Relay Option 82
• PPPoE Circult-ID Tag Insertion 
• Flash File System
• SNTP
• CPU Monitoring
• Memory Monitoring
• Debug Command
• Password Encryption
• Password Recovery
• Microsoft® NLB (Network Load Balancing) Support
• Ping (IPv4/v61)
• Traceroute
• Multiple IP Interface
 
MIB
• RFC RFC1065, 1066, 1155, 1156, 2578 MIB Structure
• RFC 1212 Concise MIB Definitions
• RFC1213 MIB II
• RFC 1215 MIB Traps Convention
• RFC1493, 4188 Bridge MIB
• RFC1157, 2571-2576 SNMP MIB
• RFC1901-1908, 3418,3636, 1442,2578 SNMPv2 MIB
• RFC271,1757, 2819 RMON MIB
• RFC 2465 IPv6 MIB
• RFC 2466 ICMPv6 MIB
• RFC 2737 Entity MIB
• RFC 4293 IPv6 SNMP Mgmt Interface MIB
• Private MIB
• RFC 3289 DIFFSERV MIB
• RFC2021 RMONv2 MIB
• RFC1398, 1643, 1650, 2358, 2665, 3635 Ether-like MIB
• RFC2668 802.3 MAU MIB
• RFC2674,4363 802.1p MIB
• RFC 2233, 2863 IF MIB
• RFC 2618 RADIUS Authentication Client MIB
• RFC4022 MIB for TCP
• RFC4113 MIB for UDP
• RFC 3298 MIB for Deffserv.
• RFC2620 RADIUS Accounting Client MIB
• RFC 2925 Ping& Traceroute MIB
• Running configuration write and backup
• TFTP uploads and downloads
• Trap MIB
 
IETF® Standard
• RFC768 UDP
• RFC791 IP
• RFC792 ICMPv4
• RFC2463, 4443 ICMPv6
• RFC4884 Extended ICMP to Support Multi-Part Messages
• RFC793 TCP
• RFC 2474, 3260 Definition of the DS Field in the IPv4 and IPv6 Header 
• RFC 1321, 2284, 2865, 3580, 3748 Extensible Authentication Protocol (EAP) 
• RFC2571, RFC2572, RFC2573, RFC2574 SNMP
• RFC826 ARP
 
IPv6
• RFC1981 Path MTU Discovery 
• RFC2460 IPv6
• RFC2461, 4861 Neighbor Discovery 
• RFC2462, 4862 IPv6 Stateless Address Auto-configuration
• RFC2464 IPv6 Neighbor over Ethernet and definition
• RFC3513, 4291 IPv6 Addressing Architecture
• RFC2893, 4213 IPv4/IPv6 dual stack function
• IPv6 Ready Logo Phase 2


MTBF
189,396  hours
 
Acoustic
39.2 dB at low speed,  
51.2 dB at High speed
 
Heat Dissipation
855.696 BTU per hour
 
Power Input
AC Input: 100 – 240 V AC, 50-60 Hz
 
Maximum PoE Power Budget
Max: 188 W
 
Maximum Power Consumption
250.78 Watts
 
Dimension (W x D x H)
441 x 308 x 44 mm
 
Ventilation
Smart Fan
 
Power Surge Protection
All Ethernet ports support IEC61000-4-5 10/700us 6 KV surge protection
 
Operation Temperature
-5 to 50 °C
 
Storage Temperature
-40 to 70 °C
 
Operating Humidity
10% to 90% non-condensing
 
EMI
FCC Class A, CE Class A, VCCI Class A, IC , C-Tick, BSMI
 
Safety
CE, LVD, UL/cUL, CB, BSMI
 
3rd Party Certification
IPv6 Ready Logo Phase 2
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