Technical Specifications
Interfaces
• 10/100/1000BASE-T Ports
• 20 (DGS-3420-28TC, DGS-3420-28PC)
• 48 (DGS-3420-52T, DGS-3420-52P)
• Gigabit SFP Ports
• 20 (DGS-3420-28SC)
• Combo 10/100/1000BASE-T/SFP Ports
• 4 (DGS-3420-28TC, DGS-3420-28SC, DGS-3420-28PC)
• 10 Gigabit SFP+ Ports
• 4 (all models)
• Optional Redundant Power Supply
• DPS-500 (DGS-3420-28TC, DGS-3420-28SC, DGS-3420-52T)
• DPS-700 (DGS-3420-28PC, DGS-3420-52P)
• Console Ports
• RJ45 (RS-232) (all models)
• RJ45 to DB9 cable included
• Management Port
• RJ45 (10/100BASE-T) (all models)
• Alarm Port
• 2 input, 1 output, (42VAC or 60VDC) (all models)
• SD Card Slot
• 1 (all models)
Performance
• Switching Capacity
• 128Gbps (DGS-3420-28TC, DGS-3420-28SC, DGS-3420-28PC)
• 176Gbps (DGS-3420-52T, DGS-3420-52P)
• Packet Forwarding Rate
• 95.24Mpps (DGS-3420-28TC, DGS-3420-28SC, DGS-3420-28PC)
• 130.95Mpps (DGS-3420-52T, DGS-3420-52P)
• Packet Buffer
• 2 MB
• MAC Address Table
• 16K Entries
• IPv4/v6 Routing Table
• 1K/512 Entries
• IPv4/v6 L3 Forwarding Table
• 2K/1K Entries
• Jumbo Frame Size
• 13,000 bytes
PoE
• PoE Ports
• 24 (DGS-3420-28PC)
• 48 (DGS-3420-52P)
• PoE Budget
• 370W (740W with DPS-700) (DGS-3420-28PC, DGS-3420-52P)
• 802.3af (PoE)
• Yes (DGS-3420-28PC, DGS-3420-52P)
• 802.3at (PoE+)
• Yes (DGS-3420-28PC, DGS-3420-52P)
Physical
• MTBF (Hours)
• 287,763 hours (DGS-3420-28TC)
• 300,371 hours (DGS-320-28SC)
• 287,763 hours (DGS-3420-28PC)
• 301,667 hours (DGS-3420-52T)
• 300,371 hours (DGS-3420-52P)
• Acoustic
• At Operation Temperature below 86 °F:
• < 38.7 dB (DGS-3420-28TC)
• < 38.9 dB (DGS-320-28SC)
• < 40.3 dB (DGS-3420-28PC)
• < 40.6 dB (DGS-3420-52T)
• < 38.9 dB (DGS-3420-52P)
• At Operation Temperature above 86 °F:
• < 46.5 dB (DGS-3420-28TC)
• < 46.2 dB (DGS-320-28SC)
• < 52.5 dB (DGS-3420-28PC)
• < 52.5 dB (DGS-3420-52T)
• < 46.2 dB (DGS-3420-52P)
• Heat Dissipation
• 200.5 BTU/hr (DGS-3420-28TC)
• 205.3 BTU/hr (DGS-3420-28SC)
• 200.5 BTU/hr (DGS-3420-28PC)
• 187.6 BTU/hr (DGS-3420-52T)
• 205.3 BTU/hr (DGS-3420-52P)
• Power Input
• 100 to 240 V AC, 50/60Hz • 100 to 240 V AC, 50/60Hz
• Max Power Consumption
• 58.8 watts (DGS-3420-28TC)
• 60.2 watts (DGS-320-28SC)
• 478.0 watts (DGS-3420-28PC)
• 81.0 watts (DGS-3420-52T)
• 505.4 watts (DGS-3420-52P)
• Dimensions (W x D x H)
• 17.36 x 12.2 x 1.72in (441 x 310 x 44 mm) (DGS-3420-28TC)
• 17.36 x 12.2 x 1.72in (441 x 310 x 44 mm) (DGS-320-28SC)
• 17.1 x 17.4 x 1.7in (441 x 380 x 44 mm) (DGS-3420-28PC)
• 17.1 x 17.4 x 1.7in (441 x 380 x 44 mm) (DGS-3420-52T)
• 17.1 x 17.4 x 1.7in (441 x 380 x 44 mm) (DGS-3420-52P)
• Weight
• 9.1lbs (4.12 kg) (DGS-3420-28TC)
• 8.9lbs (4.06 kg) (DGS-320-28SC)
• 12.7lbs (5.75 kg) (DGS-3420-28PC)
• 11.2lbs (5.07 kg) (DGS-3420-52T)
• 14.1lbs (6.24 kg) (DGS-3420-52P)
• Ventilation
• via Temperature Controlled Smart Fan
• > 102.2 F High Speed
• < 102.2 F Low Speed
• Operating Temperature
• 32-122F (0-50C)
• Storage Temperature
• -40 to 158 F (-40 to 70C)
• Operating Humidity
• 10% to 90% RH
• Storage Humidity
• 5% to 90% RH
• Emission (EMI)
• FCC Class A, CE Class A, VCCI Class A, IC, C-Tick
• Safety
• CB, cUL, LVD
• Certification
• IPv6 Ready Logo Phase 2
Software Features
• Stackability
• Virtual Stacking Support
• D-Link Single IP Management
• Up to 32 devices per virtual stack
• Physical Stacking
• Supports Duplex Chain/Ring topology
• Up to 40G stacking bandwidth
• Up to 12 units per stack
• L2 Features
• MAC Address Table: 16K
• Flow Control
• 802.3x Flow Control
• HOL Blocking Prevention
• Jumbo Frames up to 13000 bytes
• IGMP snooping
• IGMP v1/v2/v3 Snooping
• Supports 960 groups
• Port/Host-based
• IGMP Snooping
• Fast Leave
• MLD Snooping
• MLD v1/v2 Snooping
• Supports 480 groups
• Host-based MLD Snooping Fast Leave
• Spanning Tree
• 802.1D-2004 STP
• 802.1w RSTP
• 802.1Q-2005 MSTP
• BPDU filtering
• Root Restriction
• Loopback Detection
• 802.3ad Link Aggregation
• Max. 32 groups per device
• 8 Gigabit ports or 2 10-Gigabit port per group
• Port Mirroring
• Supports 4 Mirroring Groups
• Supports One-to-One, Many-to-One,
• Flow-based, and RSPAN mirroring
• L2 Protocol Tunneling
• ERPS (Ethernet Ring Protection Switching)
• VLAN
• VLAN Group
• Max. 4K Static VLAN Groups
• Max. 255 Dynamic VLAN Groups
• 802.1Q Tagged VLAN
• 802.1v Protocol VLAN
• GVRP
• Double VLAN (Q-in-Q)
• Port-based Q-in-Q
• Selective Q-in-Q4
• MAC-based VLAN
• VLAN Trunking
• 802.1Qbb (future)
• L3 Features
• 256 IP interfaces
• Loopback interface
• IPv6 Tunneling
• Proxy ARP
• Gratuitous ARP
• L3 Routing
• 1K routing entries shared by IPv4/v6
• Max. 1K IPv4 routes
• Max. 512 IPv6 routes
• 2K L3 forwarding entries shared by IPv4/v6
• Max. 2K IPv4 entries
• Max. 1K IPv6 entries
• 256 static routing entries for IPv4, 128 entries for IPv6
• RIP v1/v2
• RIPng
• QoS (Quality of Service)
• 802.1p Class of Service (CoS)
• 8 queues per port
• Queue Handling
• Strict
• Weighted Round Robin (WRR)
• Strict + WRR
• CoS based on
• Switch Port
• VLAN ID
• 802.1p Priority Queues
• MAC Address
• IPv4/v6 Address
• DSCP
• Protocol Type
• IPv6 Traffic Class
• IPv6 Flow Label
• TCP/UDP Port
• User-defined Packet Content
• Supports following actions for flows:
• Remark 802.1p Priority Tag
• Remark TOS/DSCP Tag
• Bandwidth Control
• Flow Statistics
• Committed Information Rate (CIR),min. granularity 1 Kbps.
• Bandwidth Control
• Port-based (Ingress/Egress, min. granularity 64 Kbps)
• Flow-based (Ingress, min. granularity 64 Kbps)
• Time-based QoS
• ACL (Access Control List)
• ACL based on
• 802.1p Priority
• VLAN ID
• MAC Address
• Ether Type
• IPv4/v6 Address
• DSCP
• Protocol Type
• TCP/UDP Port Number
• IPv6 Traffic Class
• IPv6 Flow Label
• User-defined Packet Content
• Ingress ACL: support up to 6 profiles and 256 rules per profile
• Egress ACL: support up to 4 profiles and 128 rules per profile
• ACL Statistics
• Time-based ACL
• CPU interface filtering
• Security
• SSH v2
• SSL v1/v2/v3
• Port Security for up to 64 MAC addresses per port
• Broadcast/Multicast/Unicast Storm Control
• Traffic Segmentation
• CPU Interface Filtering
• ARP Spoofing Prevention
• BPDU Attack Protection
• DHCP Server Screening
• IP-MAC-Port Binding
• ARP Packet Inspection
• IP Packet Inspection
• DHCP Snooping
• DHCPv6 and NDP Snooping
• Supports up to 500 Address Binding Entries per device
• D-Link Safeguard Engine
• AAA
• 802.1X
• Port-based Access Control
• Host-based Access Control
• Dynamic VLAN Assignment
• Web-based Access Control (WAC)
• Port-based Access Control
• Host-based Access Control
• Dynamic VLAN Assignment
• MAC-based Access Control (MAC)
• Port-based Access Control
• Host-based Access Control
• Dynamic VLAN Assignmen
• Japan Web-based Access Control (JWAC)
• Host-based Access Control
• Microsoft® NAP
• Supports 802.1X NAP
• Supports DHCP NAP
• Guest VLAN
• RADIUS and TACACS+ authentication for switch access
• 4-Level user account
• Management
• Web-based GUI
• Command Line Interface (CLI)
• Telnet Server
• Telnet Client
• TFTP Client
• ZModem
• SNMP v1/v2c/v3
• SNMP Trap
• System Log
• RMON v1
• Supports 1,2,3,9 Groups
• RMON v2
• Supports ProbeConfig Group
• sFlow
• LLDP/LLDP-MED
• BootP/DHCP Client
• DHCP Auto-Configuration
• DHCP Relay
• DHCP Relay Option 60; 61
• DHCP Relay Option 82
• DHCP Server
• Flash File System
• Multiple Images
• Multiple Configurations
• CPU Monitoring
• Debug Command
• SNTP
• ICMPv6
• DHCPv6 Client
• DHCPv6 Relay
• DHCPv6 Server
• Trusted Host
• MTU Setting
• Microsoft® NLB Support
• UDP helper
• OAM
• 802.3ah Ethernet Link OAM
• 802.3ah D-Link Extension: D-Link Unidirectional Link Detection (DULD)
• IEEE1588 Precision Time Protocol (PTP)
• Cable Diagnostics
• Connectivity Fault Management (CFM)
• ITU-T Y.1731
• Green
• Power saving by Link Status
• Power saving by Cable Length
• Time-based PoE (DGS-3420-28PC and DGS-3420-52P)
• MIB/IETF Standards
• RFC1213 MIB-II
• RFC1493 Bridge MIB
• RFC1907 SNMPv2 MIB
• RFC2571~2576 SNMP MIB
• RFC1271, 2819 RMON MIB
• RFC2021 RMON v2 MIB
• RFC2665 Ether-like MIB
• RFC2668 MAU MIB
• RFC2674 802.1p MIB
• RFC2233, 2863 IF MIB
• RFC2618 RADIUS Authentication Client MIB
• RFC1724 RIP v2 MIB
• RFC2096 IP Forwarding Table MIB CIDR)
• RFC2620 RADIUS Accounting Client MIB
• Ping MIB
• Traceroute MIB
• D-Link Private MIB
• RFC768 UDP
• RFC783 TFTP
• RFC 791 IP
• RFC 793 TCP
• RFC 826 ARP
• RFC854 Telnet
• RFC951, 1542 BootP
• RFC2068 HTTP
• RFC3056, 5214 IPv6 Tunnel
• RFC2138 RADIUS
• RFC2139 RADIUS Accounting
• RFC1492 TACACS
• RFC3176 sFlow
• RFC2598 DiffServ Expedited Forwarding
Warranty
• Lifetime
Ordering Information
• DGS-3420-28TC - 20 10/100/1000BASE-T and 4 Combo 10/100/1000BASE-T/SFP and 4 SFP+
• DGS-3420-28SC - 20 SFP and 4 Combo 10/100/1000BASE-T/SFP and 4 SFP+
• DGS-3420-28PC - 20 10/100/1000BASE-T PoE and 4 Combo 10/100/1000BASE-T PoE/SFP and 4 SFP+
• DGS-3420-52T - 48 10/100/1000BASE-T and 4 SFP+
• DGS-3420-52P - 48 10/100/1000BASE-T PoE and 4 SFP+
Optional Products
Optional Management Software
• DV-600S - D-View 6.0 Network Management Software Standard Edition
• DV-600P - D-View 6.0 Network Management Software Professional Edition
Optional 10 Gbps SFP+ Transceivers
• DEM-431XT-DD - 10GBASE-SR SFP+ Transceiver
• DEM-432XT-DD - 10GBASE-LR SFP+ Transceiver
• DEM-435XT-DD - 10GBASE-LRM SFP+ Transceiver
Optional 1 Gbps SFP Transceivers
• DEM-310GT - SFP transceiver, 1000BASE-LX
• DEM-311GT - SFP transceiver, 1000BASE-SX
• DEM-211 - SFP transceiver, 100BASE-FX
Optional 10 Gbps SFP+ Direct Attach Cables
• DEM-CB100S - 10-GbE SFP+ 1 m Direct Attach Cable
• DEM-CB300S - 10-GbE SFP+ 1 m Direct Attach Cable
Optional Redundant Power Supplies
• DPS-500 - 140-watt redundant power supply
• DPS-700 - 589-watt redundant power supply