Product Description

D-Link DES-3028P 28-P FE Mngd SW, 24-P FE PoE + 4-P Giga wth 2 Combo

The DES-3028/DES-3052 Series Fast Ethernet L2 Managed Switches consists of:

• DES-3028P: 24-Port Fast Ethernet L2 Managed PoE Switch with 2 x 1000BASE-T and 2 x Combo 1000BASE-T/SFP ports (24 x PoE ports, 2 fans)
• DES-3052P: 48-Port Fast Ethernet L2 Managed PoE Switch with 2 x 1000BASE-T and 2 x Combo 1000BASE-T/SFP ports (48 x PoE ports, 3 fans)

The DES-3028/3052 series switches are managed Layer 2 Ethernet switches designed as the premium devices in the entry-level network management category. These switches offer very rich functions to let SMB and even enterprises set up a secure and effective departmental network at affordable cost. Outstanding features include high port densities, 4 Gigabit uplinks, Power over Ethernet support1, comprehensive network security, granular bandwidth control and extensive network management. With these switches, businesses can now optimize their networks at both the function and cost levels for maximum results.

High Port Density & PoE Support

The DES-3028/3052 series provides choices of 24 and 48 Ethernet ports, with or without Power over Ethernet (PoE), in low profile rack-mount cases. Each switch is equipped with 2 Gigabit uplinks, with the SFP supporting both fiber Gigabit and 100BASE-FX fiber connection for specific applications.

Security & Availability

The DES-3028/3052 series supports many security features including Access Control List (ACL), 802.1X Port-Based/MAC-Based Access Control, 802.1X Guest VLAN, and RADIUS/TACACS+ authentication. To prevent malicious attack and virus/worm affection from overwhelming the switch with unnecessary workload, the DES-3028/3052 series provides D-Link Safeguard Engine and CPU Interface Filtering functions to increase the switch's reliability and availability.

Resilience/Performance Enhancement

To enhance network resilience, the DES-3028/3052 series provides Spanning Tree protocols, including 802.1D, 802.1w and 802.1s for redundant bridge paths. 802.3ad Link Aggregation provides the aggregated bandwidth between switches or server, For Quality of Service (QoS), it supports 802.1p Priority Queues and packet classification based on TOS, DSCP, MAC, IPv4, VLAN ID, Protocol type, User Defined Packet Content, enabling Internet voice, video and streaming media applications to run smoothly.

Traffic Monitoring/Bandwidth Control

Network administrators can define throughput levels for each port to manage bandwidth. The bandwidth control feature provides fine granularity with the ability to define limits down to 64Kbps segments. Broadcast storm control can reduce the level of damage that a virus attack can do to the network. The switch provides IGMP snooping to control multicast transmission, and port mirroring to facilitate diagnostics.

Management

The DES-3028/3052 series supports standard-based management protocols such as SNMP, RMON, Telnet, web-based GUI, SSH/SSL security authentication and DHCP Relay Option 82. With DHCP auto-configuration, the administrator can pre-set configurations and save them in a TFTP server; individual switches can boot their IP from the server and load in the pre-set configurations. D-Link Single IP Management 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. A virtual stack of the DES-3028/3052 switches can be managed as a single object, with all units identified by a single IP address.

Interface

Number of 10/100BASE-TX ports

• DES-3028P - 24 ports
• DES-3052P - 48 ports

Number of 10/100/1000BASE-T ports

• 2

Number of Combo 1000Base-T/SFP ports

• 2

PoE Supported Models (Standard(s)/Number of Ports/Maximum Power Budget)

• DES-3028P (802.3af/24 ports/185W)
• DES-3052P (802.3af/48 ports/370W)

RS-232 Console Port

• Yes

Performance

Switch Capacity

• DES-3028P - 12.8 Gbps
• DES-3052P - 17.6 Gbps

64-Byte Packet Forwarding Rate

• DES-3028P - 9.5 Mpps
• DES-3052P - 13.1 Mpps

MAC Address Table Size

• 8K

Packet Buffer

• 512KB

Flash Memory

• 8MB

Jumbo Frame

• 2048 Bytes (tagged)
• 2044 Bytes (untagged)

Diagnostic LED Indicators

Power (Per Device)

• Yes

Console (Per Device)

• Yes

Link/Activity (Per Port)

• Yes

Speed Indicator (Per Port)

• Yes

Physical & Environmental

Power Consumption

• DES-3028P - 217W
• DES-3052P - 395W

Power Input

• 100 to 240 VAC, 50 to 60HZ Internal Universal Power Supply

Dimensions (W x D x H)

• DES-3028P - 441mm x 207mm x 44mm (17.36 x 8.15 x 1.73 inches)
• DES-3052P - 441mm x 309mm x 44mm (17.36 x 12.17 x 1.73 inches)

Size

• 19-inch Standard Rack-Mount Width, 1U Height

Ventilation

• DES-3028P - 2 DC fans
• DES-3052P - 3 DC fans

Heat Dissipation

• DES-3028P - 742.7 BTU per hour
• DES-3052P - 1347 BTU per hour

MTBF

• DES-3028P - 196,033 hours
• DES-3052P - 169,182 hours

Temperature

• Operating: 0° to 40°C (32° to 104°F)
• Storage: -40° to 70°C (-40° to 158°F )

Operating Humidity

• 5% ~ 95% Non-condensing

EMI/EMC

• FCC Class A, CE, C-Tick, VCCI Class A

Safety

• cUL, LVD

Software Feature

Stackability

• Virtual Stacking:
  • Supports D-Link Single IP Management
  • Up to 32 devices per Virtual Stack

L2 Features

• MAC Address Table: 8k
• Jumbo Frames support up to 2048 bytes
• IGMP Snooping:
  • IGMP v1/v2 Snooping
  • Supports 256 groups
  • Port-based IGMP Snooping Fast Leave
• Limited IP Multicasting:
  • Up to 24 IGMP filtering profiles, 128 ranges per profile
• MLD Snooping:
  • MLD v1/v2 Snooping
  • Supports 256 groups
  • MLD Snooping Fast Leave
• IGMP Authentication
• Spanning Tree:
  • 802.1D-2004 Edition STP
  • 802.1w RSTP
  • 802.1s MSTP
  • BPDU Filtering
  • Root Restriction
• Loopback Detection (LBD)
• 802.3ad Link Aggregation:
  • Max. 6 groups per device, 8 ports per group
• Port Mirroring:
  • Supports One-to-One, Many-to-One, Flow-based Mirroring
• Flow Control:
  • 802.3x Flow Control
  • HoL Blocking Prevention

VLAN

• 802.1Q Tagged VLAN
• VLAN Group:
  • Max. 4K VLAN
• Port-based VLAN
• GVRP:
  • Max. 255 Dynamic VLAN
• Asymmetric VLAN
• Double VLAN (Q-in-Q):
  • Port-based Q-in-Q
• ISM VLAN

Quality of Service (QoS)

• Bandwidth Control:
  • Port-based (Ingress/Egress, min. granularity 64kbps)
  • Flow-based (Ingress, min. granularity 64kbps)
• 4 queues per port
• 802.1p Quality of Service
• Queue Handling:
  • Strict
  • Weighted Round Robin (WRR)
• CoS based on:
  • Switch Port
  • VLAN ID
  • 802.1p Priority Queues
  • MAC Address
  • IP Address
  • DSCP
  • Protocol Type
  • TCP/UDP Port
  • User-Defined Packet Content
• Time Based QoS

Access Control List (ACL)

• Up to 256 Access Rules
• ACL based on:
  • 802.1p Priority
  • VLAN ID
  • MAC Address
  • Ether Type
  • IP Address
  • DSCP
  • Protocol Type
  • TCP/UDP Port Number
  • User Defined Packet Content
• Time-based ACL
• CPU Interface Filtering

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