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D-Link DGS-3120-24PC/S 24-Port Gigabit L2 Stackable Managed PoE Switch

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  • 20 x 10/100/1000
  • Stackable
  • PoE

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Mfr part code: DGS-3120-24PC/SI

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    D-Link DGS-3120-24PC/S 24-Port Gigabit L2 Stackable Managed PoE Switch Product Description

    The DGS-3120 xStack Series switches are enhanced L2 access stackable switches designed to connect end-users in a secure SMB or enterprise network. These switches support physical stacking, multicast, and enhanced security, making them an ideal Gigabit access layer solution. The DGS-3120-24TC/48TC provides 20 or 44 10/100/1000 Mbps Gigabit Ethernet ports, and 4 combo 1000BASE-T/SFP Gigabit Ethernet ports. The DGS-3120-24PC/48PC provides 24 or 48 10/100/1000 Mbps PoE Gigabit Ethernet ports and 4 combo 1000BASE-T/SFP Gigabit Ethernet ports. The DGS-3120-24SC provides 16 SFP Gigabit Ethernet ports and 8 combo 1000BASE-T/SFP Gigabit ports. Each 10/100/1000 Mbps port on the DGS-3120-24PC/48PC supports the 802.3af and 802.3at Power over Ethernet standards. The default power budget for these models is 370 watts and can be expanded to 760 watts with the DPS-700 RPS. The switches are also equipped with an SD Card slot, allowing the user to boot images and upload configuration files directly from an SD Card as well as conveniently save syslog files onto the SD Card.

    Standard and Enhanced Images

    The DGS-3120 Series is embedded with two different software images - the Standard Image (SI) and Enhanced Image (EI). The Standard Image provides sophisticated features for campus or enterprise usage. It includes advanced Quality of Service (QoS), traffic shaping, L2 multicasting, robust security features, and IPv6 features which are suitable for next-generation IPv6 networks or triple play applications over Metro Ethernet*. The Enhanced Image supports ERPS, Double VLAN (Q-in-Q), Ethernet OAM, Static Route, IMPB, and sFlow.

    Enhanced Network Reliability

    The DGS-3120 Series targets enterprises, campuses, and customers who require a high level of network security and maximum uptime. They also include other features, such as 802.1D Spanning Tree (STP), 802.1w Rapid Spanning Tree (RSTP), and 802.1s Multiple Spanning Tree (MSTP), Loopback Detection (LBD), and Broadcast Storm Control, that enhances network resilience. G.8032 Ethernet Ring Protection Switching (ERPS) minimizes the recovery time to 50ms. For load sharing and redundancy backup in a switch cascading/server attachment configuration, the DGS-3120 Series provides dynamic 802.3ad Link Aggregation Port Trunking.

    Comprehensive Security

    The DGS-3120 Series provides users with the latest security features such as Multi-layer and Packet Content Access Control Lists (ACL), Storm Control, and IP-MAC-Port Binding (IMPB) with DHCP Snooping. The IP-MAC-Port Binding feature allows administrators to bind a source IP address with an associated MAC and also define the port number to enhance user access control. With the DHCP Snooping feature, the switch automatically learns IP/MAC pairs by snooping DHCP packets and saving them to the IMPB white list. In addition, the D-Link Safeguard Engine identifies and prioritizes “CPU interested” packets to prevent malicious traffic from interrupting normal network flows, and to protect switch operation.

    Identity Driven Network Policies

    The DGS-3120 Series supports authentication mechanisms such as 802.1X, Web-based Access Control (WAC), and MAC-based Access Control (MAC) for strict access control and easy deployment. After authentication, individual policies such as VLAN membership, QoS policies, and ACL rules can be assigned to each host. In addition, the switch also supports Microsoft® NAP (Network Access Protection). NAP is a policy enforcement technology that allows customers to protect network assets from unhealthy computers by enforcing compliance with network health policies.

    Traffic Management for Triple Play

    The DGS-3120 Series implements a rich set of multilayer QoS/CoS features to ensure that critical network services such as VoIP, video conferencing, IPTV, and IP surveillance are given high priority. Traffic Shaping features guarantee bandwidth for these services when the network is busy. L2 Multicast support enables the DGS-3120 to handle growing IPTV bandwidth requirements. Host-based IGMP/MLD Snooping allows multiple multicast subscribers per physical interface and ISM VLAN sends multicast streams in a multicast VLAN to save bandwidth and to provide better security to the backbone network. The ISM VLAN profiles allow users to bind/replace the pre-defined multicast registration information to subscriber ports quickly and easily.

    Proactive, Effective Network Management

    To uphold enterprise customers’ Service Level Agreements (SLA), service providers must reduce their Mean Time to Repair (MTTR) and increase service availability. Ethernet OAM features address these challenges and enable service providers to offer carrier-grade services. The DGS-3120 Series supports industry-standard OAM tools, including IEEE 802.3ah, IEEE802.1ag, and ITU-T Y.1731. Connectivity Fault Management (CFM) provides tools to monitor and troubleshoot end-to-end Ethernet networks, allowing service providers to check connectivity, isolate network issues, and identify customers affected by network issues.

    IPv6 Technology

    The DGS-3120 Series is fully compliant with future IPv6 networks. It supports remote IPv6 manageability from telnet, HTTP, or SNMP. To create secure IPv6 networks, the DGS-3120 Series uses IPv6 ACL, DHCPv6 Snooping, and Neighbour Discovery (ND) snooping functions to protect the network from illegal IPv6 clients. The DGS-3120 Series has been certified with IPv6 Ready Logo Phase 2 from the IPv6 forum, a worldwide IPv6 advocacy consortium. The IPv6 Ready Logo Program ensures the conformance and interoperability of IPv6 products.

    D-Link Green Technology

    D-Link is striving to take the lead in developing innovative and power-saving technology that does not sacrifice operational performance or functionality. The DGS-3120 Series implements D-Link Green Technology, which includes a power saving mode, Smart Fan, reduced heat, and cable length detection. The power-saving feature automatically powers down ports that are detected to have no link or link partner. The Smart Fan feature allows for the built-in fans to automatically turn on at a certain temperature, providing continuous, reliable, and eco-friendly operation of the switch.

    Manageability

    D-Link’s Single IP Management (SIM) simplifies and speeds up management tasks, allowing multiple switches to be configured, monitored, and maintained from any workstation running a web browser through one unique IP address. This virtual stack is managed as a single object, having all units maintained by one IP address. The DGS-3120 Series also supports standard-based management protocols such as SNMP, RMON, Telnet, Console, Web-based GUI, and SSH/SSL security authentication.

    * Supports IPv6 in firmware R3.0 SI and above.

    Specification

    Interface

    • Number of 10/100/1000BASE-TX ports - DGS-3120-24PC - 20 ports
    • Number of Combo 1000Base-T/SFP ports - DGS-3120-24PC - 4 ports
    • RS-232 Console Port - Yes
    • SD card slot - Yes
    • Number of stacking ports - 2
    • Maximum number of units per stack - 6

    Maximum stacking bandwidth

    • Linear topology - up to 20 Gbps
    • Bi-directional redundant ring topology - up to 40 Gbps

    • PoE Supported Models (Standard(s)/Number of Ports/Maximum Power Budget) - DGS-3120-24PC - 802.3af/at/24 ports/370W (760W with DPS-700 RPS)

    Performance

    • Switch Capacity - DGS-3120-24PC - 88 Gbps
    • 64-Byte Packet Forwarding Rate - DGS-3120-24PC - 65.48 Mpps
    • Packet Buffer - 2 MB
    • Flash Memory - 32 MB

    Physical & Environmental

    • MTBF - DGS-3120-24PC - 282542 hours
    • Acoustics - DGS-3120-24PC - Max: 52.5 dB; Min: 38.1 dB
    • Heat Dissipation - DGS-3120-24PC - 1628.957 BTU/h (with 370 W PoE load), 3219.7 BTU/h (with 760 W PoE load)
    • Power Input- 100 to 240 VAC, 50 to 60Hz Internal Universal Power Supply
    • Power Consumption (maximum) - DGS-3120-24PC - 482.7W (with 370W PoE load), 944.2W (with 760W PoE load)
    • Dimensions (W x D x H) - DGS-3120-24PC - 440 x 310 x 44 mm (17.32 x 12.20 x 1.73 inches)
    • Weight - DGS-3120-24PC - 5423 g (11.96 pounds)
    • Ventilation - Smart fans4

    Temperature

    • Operating: 0° to 50°C
    • Storage: -40° to 70°C

    Operating Humidity

    • Operating: 10% ~ 90% Non-condensing
    • Storage: 5% ~ 90% Non-condensing

    • EMI/EMC - FCC Class A, CE Class A, VCCI Class A, IC, C-Tick, BSMI
    • Safety - CB, cUL, LVD, BSMI
    • Certification - IPv6 Ready Logo Phase 2

    D-Link DGS-3120-24PC/S 24-Port Gigabit L2 Stackable Managed PoE Switch Product Reviews

    Technical Specifications

    Expansion / Connectivity

    Interfaces 1 x network stack device x 2 ¦ 24 x 10Base-T/100Base-TX/1000Base-T - RJ-45 - PoE ¦ 1 x console - RJ-45 - management ¦ 4 x SFP (mini-GBIC)
    Expansion Slot(s) 1 (total) / 1 (free) x SD Memory Card
    Expansion Slots 1 (total) / 1 (free) x SD Memory Card

    Power

    Power Device Internal power supply
    Voltage Required AC 120/230 V (50 - 60 Hz)
    Features Redundant Power System (RPS) connector

    Miscellaneous

    Width 44 cm
    Depth 21 cm
    Height 4.4 cm
    Cables Included 1 x console cable
    Rack Mounting Kit Included
    Compliant Standards FCC Class A certified, C-Tick, cUL, VCCI Class A ITE, CB, IC, RoHS

    General

    Interfaces Gigabit Ethernet
    Jumbo Frame Support 13000 bytes
    Performance Switching capacity: 88 Gbps ¦ Forwarding performance (64-byte packet size): 65.48 Mpps
    Capacity ACL rules: 1500 ¦ QoS hardware queues: 8
    Device Type Switch - 24 ports - Managed - stackable
    Enclosure Type Desktop
    Subtype Gigabit Ethernet
    Ports 20 x 10/100/1000 + 4 x combo SFP
    Power Over Ethernet (PoE) PoE
    MAC Address Table Size 16K entries
    Max Units In A Stack 32
    Remote Management Protocol SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, SSH-2, CLI
    Encryption Algorithm SSL, SSL 3.0, SSL 2.0
    Authentication Method RADIUS, TACACS+, Secure Shell v.2 (SSH2)
    Features Flow control, Layer 2 switching, DHCP support, BOOTP support, ARP support, VLAN support, IGMP snooping, port mirroring, DiffServ support, Weighted Round Robin (WRR) queuing, Broadcast Storm Control, IPv6 support, Multicast Storm Control, SNTP support, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, DHCP server, MLD snooping, Safeguard Engine, Network Access Protection (NAP), D-Link Green Technology
    Compliant Standards IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3ah, IEEE 802.1v, IEEE 802.1ag, IEEE 802.3at
    Flash Memory 32 MB

    Software / System Requirements

    Software Included Standard Image (SI) Software

    Dimensions & Weight

    Width 44 cm
    Depth 21 cm
    Height 4.4 cm

    Environmental Parameters

    Min Operating Temperature 0 °C
    Max Operating Temperature 50 °C
    Humidity Range Operating 5 - 95% (non-condensing)
    Min Storage Temperature -40 °C
    Max Storage Temperature 70 °C

    Customer Questions

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    D-Link DGS-3120-24PC/S 24-Port Gigabit L2 Stackable Managed PoE Switch Product Discussion

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