D-Link DGS-3120-24SC – 24-Port Gigabit xStack Layer 3 Managed Stackable Fiber Switch with 16 SFP Ports & 8 Combo SFP/RJ45 Ports
Overview:
• The D-Link DGS-3120-24SC is an xStack Layer 3 Managed Stackable Gigabit Fiber Switch designed for enterprise, campus, Metro Ethernet, fiber backbone, CCTV/IP surveillance backbone, and professional aggregation deployments.
• It provides 16 × Gigabit SFP ports and 8 × combo 10/100/1000BASE-T/SFP Gigabit ports for flexible fiber and copper connectivity.
• The switch supports physical stacking with 2 dedicated stacking ports, up to 40Gbps full-duplex stacking bandwidth, and up to 6 units per stack.
• It supports Standard Image, Enhanced Image, and Routed Image options, allowing the switch to be used for advanced Layer 2, enhanced L3, OAM, and routing applications.
• The DGS-3120-24SC delivers 88Gbps switching capacity, 65.48Mpps packet forwarding rate, 2MB packet buffer memory, 32MB flash memory, and 16K MAC address table.
• It is suitable for fiber distribution networks, inter-cabinet uplinks, enterprise aggregation, CCTV backbone, and networks requiring SFP density with managed security, VLAN, QoS, OAM, IPv6, and routing features.
Key Features:
• xStack Layer 3 Managed Stackable Gigabit Fiber Switch
• 16 × Gigabit SFP Ports
• 8 × Combo 10/100/1000BASE-T/SFP Ports
• 2 × Dedicated Stacking Ports
• 88Gbps Switching Capacity
• 65.48Mpps Packet Forwarding Rate
• 2MB Packet Buffer Memory
• 32MB Flash Memory
• 16K MAC Address Table
• Physical Stacking up to 6 Units
• Up to 40Gbps Full-Duplex Stacking Bandwidth
• Virtual Stacking up to 32 Units
• D-Link Single IP Management
• Optional Redundant Power Supply Support via DPS-200
• RJ-45 Console Port
• SD Card Slot
• Standard Image, Enhanced Image, and Routed Image Support
• STP, RSTP, MSTP, BPDU Filtering, and Root Restriction
• ERPS Support with Enhanced/Routed Image
• 802.3ad Link Aggregation
• IGMP Snooping and MLD Snooping
• VLAN, 802.1Q, GVRP, Voice VLAN, MAC-Based VLAN, ISM VLAN, Private VLAN, and VLAN Trunking
• Advanced QoS with 8 Queues per Port
• ACL with up to 1.5K Ingress Access Rules
• SSH v2, SSL, Port Security, Storm Control, DoS Prevention, and D-Link Safeguard Engine
• 802.1X, Web-Based Access Control, MAC-Based Access Control, Guest VLAN, RADIUS, TACACS+, and Microsoft NAP
• IPv6 Ready Logo Phase 2
• OAM Support with 802.3ah Link OAM, CFM, DULD, and ITU-T Y.1731
• Routed Image Support for RIP, OSPF, VRRP, IPv6 Tunneling, IGMP, MLD, PIM, and DVMRPv3
• Web GUI, CLI, Telnet, SNMP, RMON, LLDP, DHCP Relay, Multiple Images, and Multiple Configurations
• D-Link Green Technology with Smart Fan and Energy Efficient Ethernet
• 19-Inch Rack-Mount, 1U Design
Technical Specifications:
• Product Type: Gigabit Layer 3 Managed Stackable Fiber Switch
• Brand: D-Link
• Model: DGS-3120-24SC
• Series: DGS-3120 Series
• Port Configuration: 16 × SFP + 8 × Combo 10/100/1000BASE-T/SFP
• SFP Ports: 16 Ports
• Combo RJ45/SFP Ports: 8 Ports
• PoE Support: Not Supported
• Optional Redundant Power Supply: DPS-200
• Console Port: RJ-45
• Stacking Ports: 2
• SD Card Slot: 1
• Switching Capacity: 88Gbps
• 64-Byte Packet Forwarding Rate: 65.48Mpps
• Packet Buffer Memory: 2MB
• Flash Memory: 32MB
• MAC Address Table: 16K Entries
• MTBF: 433,404.414 Hours
• Acoustic Level: Max 46.7dB / Min 30.2dB
• Heat Dissipation: 114.235BTU/hr
• Power Input: 100 to 240V AC, 50 to 60Hz
• Maximum Power Consumption: 33.5W
• Dimensions: 440 × 210 × 44mm
• Weight: 2.643kg
• Ventilation: Smart Fan, High Speed above 40°C, Low Speed below 35°C
• Operating Temperature: 0°C to 50°C
• Storage Temperature: -40°C to 70°C
• Operating Humidity: 10% to 90% RH
• Storage Humidity: 5% to 90% RH
• EMI Standards: FCC Class A, CE Class A, VCCI Class A, IC, C-Tick
• Safety Standards: CB, cUL, LVD
• Certification: IPv6 Ready Logo Phase 2
• Stackability: Physical Stacking up to 6 Units, Virtual Stacking up to 32 Units, up to 40Gbps Stacking Bandwidth
• Layer 2 Features: 16K MAC Address Table, 802.3x Flow Control, HOL Blocking Prevention, Jumbo Frames up to 13K Bytes, STP, RSTP, MSTP, BPDU Filtering, Root Restriction, Loopback Detection, 802.3ad Link Aggregation, Port Mirroring, Flow-Based Mirroring, and RSPAN Mirroring
• Link Aggregation: Up to 32 Groups per Device, 8 Gigabit Ports per Group
• L2 Multicasting: IGMP Snooping v1/v2/v3, 1024 IGMP Groups, Port/Host-Based IGMP Snooping Fast Leave, Limited IP Multicast, MLD Snooping v1/v2, 1024 MLD Groups, and Host-Based MLD Snooping Fast Leave
• VLAN Features: Up to 4K VLAN Groups, GVRP, up to 4K Dynamic VLAN Groups, 802.1Q Tagged VLAN, Port-Based VLAN, 802.1v Protocol VLAN, Voice VLAN, MAC-Based VLAN, ISM VLAN, Asymmetric VLAN, Private VLAN, and VLAN Trunking
• QoS Features: 802.1p, 8 Queues per Port, Strict Priority, WRR, Strict + WRR, CoS Based on Switch Port, VLAN ID, 802.1p Priority, MAC Address, IPv4 Address, DSCP, Protocol Type, TCP/UDP Port, User-Defined Packet Content, IPv6 Address, IPv6 Traffic Class, IPv6 Flow Label, Remarking, Bandwidth Control, Three Color Marker, trTCM, srTCM, and CIR/PIR Minimum Granularity 8Kbps
• Bandwidth Control: Port-Based and Flow-Based Ingress/Egress Bandwidth Control with 8Kbps Minimum Granularity
• ACL Features: ACL Based on 802.1p Priority, VLAN ID, MAC Address, EtherType, IPv4 Address, DSCP, Protocol Type, TCP/UDP Port Number, User-Defined Packet Content, IPv6 Address, IPv6 Flow Label, IPv6 Traffic Class, up to 1.5K Ingress Access Rules, Time-Based ACL, and CPU Interface Filtering
• Security Features: SSH v2, SSL v1/v2/v3, Port Security up to 64 MAC Addresses per Port/VLAN, Broadcast/Multicast/Unicast Storm Control, Traffic Segmentation, D-Link Safeguard Engine, NetBIOS/NetBEUI Filtering, DHCP Server Screening, ARP Spoofing Prevention, DoS Attack Prevention, and BPDU Attack Protection
• AAA Features: 802.1X Port-Based Access Control, Host-Based Access Control, Identity-Driven Policy Assignment, Authentication Database Failover, Web-Based Access Control, MAC-Based Access Control, Japan Web-Based Access Control, Guest VLAN, Microsoft NAP, RADIUS Accounting, TACACS+ Accounting, RADIUS and TACACS Authentication, and Four-Level User Account Control
• Green Features: RoHS Compliance, Power Saving by Link Status, Power Saving by Cable Length, and IEEE 802.3az Energy Efficient Ethernet
• OAM Features: Cable Diagnostics, 802.3ah Ethernet Link OAM, D-Link Unidirectional Link Detection, 802.1ag Connectivity Fault Management, and ITU-T Y.1731
• Management Features: Web GUI, CLI, Telnet Server/Client, TFTP Client, DNS Client, Secure FTP Server, ZModem, SNMP v1/v2c/v3, SNMP Traps, System Log, RMON v1/v2, LLDP, BootP/DHCP Client, DHCP Auto-Configuration, DHCP Relay, DHCP Client Option 12, DHCP Relay Option 18/37/82, Flash File System, Multiple Images, Multiple Configurations, CPU Monitoring, Debug Command, SNTP, Password Recovery, Password Encryption, Trusted Host, Microsoft NLB Support, and ICMPv6
• Enhanced Image Features: ERPS, Double VLAN Q-in-Q, Port-Based Q-in-Q, Max 16 IP Interfaces, ARP Proxy, IPv6 Neighbor Discovery, Static Route, 512 Static Routing Entries for IPv4/IPv6, 512 Egress ACL Rules, IP-MAC-Port Binding, ARP Packet Inspection, IP Packet Inspection, DHCP Snooping, IPv6 ND Snooping, Compound Authentication, OAM, sFlow, and PPPoE Circuit-ID Tag Insertion
• Routed Image Features: VRRP, IPv6 Tunneling, RIP, OSPF, IP Directed Broadcast, IGMP, MLD, IGMP/MLD Proxy, Multicast Duplication, PIM-DM, PIM-SM, PIM-SSM, PIM Sparse-Dense Mode, and DVMRPv3
• Optional Management Software: DV-600S, DV-600P
• Optional Stacking Cables: DEM-CB50, DEM-CB100, DEM-CB300, DEM-CB50ICX
• Optional RPS: DPS-200, DPS-800, DPS-900
• Optional SFP Transceivers: DEM-712, DEM-302S-LX, DEM-310GT, DEM-311GT, DEM-312GT2, DEM-314GT, DEM-315GT, DEM-210, DEM-211
• Optional WDM SFP Transceivers: DEM-302S-BXD, DEM-302S-BXU, DEM-330T, DEM-330R, DEM-331T, DEM-331R, DEM-220T, DEM-220R
• Ordering Options: DGS-3120-24SC/SI, DGS-3120-24SC/EI, DGS-3120-24SC/RI
Applications:
• Enterprise fiber access networks
• Campus aggregation networks
• Metro Ethernet access networks
• CCTV and IP surveillance fiber backbone
• Fiber distribution cabinets
• Inter-building fiber connectivity
• Telecom and service provider access networks
• Triple-play services for voice, video, and data
• IPTV and multicast service environments
• Managed Gigabit fiber networks requiring SFP density
• Networks requiring stacking, VLAN, QoS, ACL, OAM, IPv6, and routing features
Connect Gates Recommendation:
• Connect Gates recommends the D-Link DGS-3120-24SC for projects that require high-density Gigabit SFP fiber connectivity with managed Layer 2/Layer 3 features and stacking capability.
• It is a strong choice for fiber backbone, CCTV aggregation, campus networks, enterprise cabinets, Metro Ethernet, and inter-building connections.
• The 16 SFP ports, 8 combo ports, 88Gbps switching capacity, 40Gbps stacking bandwidth, OAM, IPv6, ACL, VLAN, QoS, and Routed Image support make it suitable for professional fiber-based managed networks.
• For best performance, Connect Gates recommends selecting the suitable SFP/WDM transceivers according to fiber type, distance, and uplink design, and using stacking cables when building scalable access or aggregation layers.