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Silver rackmount network switch with 48 front ports and four uplink ports

D-Link

D-Link DES-3852 48-port 10/100 network switch with 4 Gigabit uplinks

SKU CH-0AFX-11VHQ MPN DES-3852

A managed Layer 3 switch delivering 48 Fast Ethernet ports plus four Gigabit uplinks with 17.6 Gbps aggregated bandwidth and 32 MB buffer memory

  • StandardsIEEE 802.3 Ethernet, 802.3u Fast Ethernet, 802.3ab Gigabit E
  • Primary Ports48 10/100 Mbps Ports, 2 Combo SFP/1000BASE-T Ports, & 2 Buil
  • Primary Port Speed10/100Mbps + 1000Mbps
  • MAC Address Table16K
  • Switching MethodStore and Forward
  • VLAN SupportUp to 4K static, 255 dynamic 802.1p VLAN Groups
  • 48 Fast Ethernet ports connect workstations directly
  • Four Gigabit uplinks aggregate traffic without bottlenecks
  • Layer 3 routing handles 128 static routes internally
  • 32 MB buffer absorbs burst traffic at wire speed
  • 47 W power draw keeps operating costs low

48-Port 10/100 Managed Layer 3 Switch

The D-Link DES-3852 is a rack-mountable managed Layer 3 switch with 48 Fast Ethernet ports, two combo SFP/1000BASE-T ports and two built-in 1000BASE-T uplinks. It supports up to 4K static and 255 dynamic VLANs, 802.1p priority queues and 16K MAC addresses. Aggregated bandwidth reaches 17.6 Gbps with a 32 MB buffer and jumbo frames up to 9 KB.

Suited for Fast Ethernet edge deployments needing

This switch fits networks where 48 10/100 endpoints must be aggregated through Gigabit uplinks and static IP routing is required. It is not for environments that need full Gigabit to every desktop, Power over Ethernet, 10 GbE uplinks, or stacking beyond the listed 32 link-aggregation groups.

17.6 Gbps aggregated bandwidth with 32 MB buffer

The single figure that decides fit is the 17.6 Gbps aggregated switching capacity combined with 32 MB packet buffer. If your design demands higher total throughput or deeper buffering for bursty traffic, this model will not meet that requirement.

Highlights

  • 48 Fast Ethernet ports connect workstations directly
  • Four Gigabit uplinks aggregate traffic without bottlenecks
  • Layer 3 routing handles 128 static routes internally
  • 32 MB buffer absorbs burst traffic at wire speed
  • 47 W power draw keeps operating costs low

Specifications

BrandD-Link
ModelDES-3852
StandardsIEEE 802.3 Ethernet, 802.3u Fast Ethernet, 802.3ab Gigabit Ethernet, 802.3z Gigabit Ethernet, 802.1d Spanning Tree, 802.1w Rapid Spanning Tree, 802.1p Priority Tags, 802.1q VLANs (4K static/ 255 dynamic), 802.3ad Link Aggregation (32 Groups/8 ports), 802.3x Flow Control, 802.1x Port-based /MAC based Authentication, 802.1s (Multiple Spanning Tree)
Primary Ports48 10/100 Mbps Ports, 2 Combo SFP/1000BASE-T Ports, & 2 Built-in 1000BASE-T Uplinks
Primary Port Speed10/100Mbps + 1000Mbps
MAC Address Table16K
Switching MethodStore and Forward
VLAN SupportUp to 4K static, 255 dynamic 802.1p VLAN Groups
Jumbo FramesUp to 9KB
Buffer Memory32MB
SecuritySupports 16 MAC Addresses per Port. Radius and TACACS+ Authentication, SSH v2, SSL v2, 802.1x port/MAC based
LEDsPer Device: Power, Console (to indicate login through RS-232 port), RPS, Link/Act/Speed
PowerAC Input: 100 - 240 VAC, 50/60 Hz Internal Universal Power Supply
Power Consumption: 47 Watts
Dimensions17.4" x 12.2" x 1.7"
Weight8.6 lbs.
Temperature0°C to 40°C (32°F to 104°F)
Humidity10% to 85% RH, Non-Condensing
FeaturesIP Address Table: 4K
IP Routing
128 static/ 16k total: Aggregated Bandwidth: 17.6 Gbps
Forwarding Rate: 14,880pps (10M), 148,800pps (100M), 1,488,000pps (1000M)
Priority Queues: 8 Queues - Strict Priority or Weight Round Robin Queue Scheduling
Classification ACLs: MAC Address, IP Address, TCP/UDP Port Number & payload, physical port, DSCP, 802.1p,VLAN, protocol type
Classification QoS: MAC Address, IP Address, TCP/UDP Port Number, physical port, DSCP, ToS
Multicast Support: IGMP v1/2, IGMP Snooping, IGMP v3
Number of IP Interfaces: 64
Multicast Duplication: Hardware packet replicatio
Shipping weight3.90 kg
Package size441 × 309 × 44 mm

Questions about this item

What cabling is required for the 48 10/100 Mbps ports on the DES-3852?

The 48 ports use copper Ethernet cables and operate at 10/100 Mbps speeds.

Can the DES-3852's Gigabit uplinks connect to older 10/100 switches?

The two built-in 1000BASE-T uplinks and two combo SFP/1000BASE-T ports auto-negotiate down to 10/100 Mbps for legacy links.

Which front-panel LEDs confirm the DES-3852 is operating normally after power-up?

The Power LED shows the internal 100-240 VAC supply is live, while each port's Link/Act/Speed LED indicates an active, error-free connection.

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