Support

Number of Ports
• 24 PoE 10/100Base-TX Ethernet ports
• 2 10/100/1000BASE-T
• 2 Combo 10/100/1000BASE-T/SFP

Port Standards & Functions
• IEEE 802.3 10BASE-T Ethernet (twisted-pair copper)
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper)
• IEEE 802.3x Flow Control
• IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)
• IEEE 802.3z Gigabit Ethernet (fiber) ANSI/IEEE 802.3
• IEEE 802.3z Gigabit Ethernet (fiber) ANSI/IEEE 802.3

Network Cables
• UTP Cat.5, Cat.5e (100m max)
• EIA/TIA-568 100-ohm STP (100m max)

Full/Half Duplex
• Full/half duplex for 10/100Mbps speeds

Media Interface Exchange
• Auto MDI/MDI-X adjustment for all twisted pair ports

Switching Capacity
• 12.8 Gbps

Transmission Method
• Store-and-forward

MAC Address Table
• 8K entries per device

MAC Address Update
• Up to 256 static MAC entries
• Enable/disable auto-learning of MAC addressed

Maximum 64 bytes packet forwarding rate
• 9.5Mpps

RAM Buffer
• 512KB per device

AC Input
• 100 to 240 VAC 50/60 internal universal power supply

Maximum Power Consumption
• 254W (PoE on)
• 26.4 W (PoE off)

Fan Quantity
• 3 Smart Fans

Acoustics
• 53.9 dB

Heat Dissipation
• 866.65 BTU/hr

Operating Temperature
• 32 to 104F (0 to 40C)

Storage Temperature
• 14 to 158F (-10 to 70C)

Operating Humidity
• 10% to 95% non-condensing

Storage Humidity
• 5% to 95% non-condensing

Dimensions
• 17.3in x 8.3in x 1.7in (440mm x 210mm x 44mm)
• 19-inch standard rack mounting width, 1U height

Weight
• 8.14 lbs (3.7kg)

MTBF
• 197,343 hours

Diagnostic LEDs
• Power (per device)
• Link/Activity/Speed (per 10/100/1000Mbps port, per 10/100Mbps port, per SFP port)

Emission (EMI)
• FCC Class A, CE Class A, VCCI Class A, C-Tick

Safety
• cUL, LVD

PoE (DES-1210-28P only)

PoE Standard
• 802.3af
• 802.3at

PoE Capable Ports
• Port 1 to 4: 15.4w or 30w per port
• Port 5 to 24:  15.4w per port

Software Features

L2 Features

MAC Address Table
• 8K

Flow Control
• 802.3x Flow Control
• HOL Blocking Prevention

Spanning Tree Protocol
• 802.1D STP
• 802.1w RSTP

IGMP Snooping
• IGMP v1/v2 Snooping
• Supports at least 64 static multicast addresses
• Supports IGMP Snooping Querier
• Supports 256 IGMP groups
• IGMP per VLAN

Loopback Detection
• Yes

802.3ad Link Aggregation
• 8 groups per device/8 ports per group

Port Mirroring
• One-to-One, Many-to-One, Supports Mirroring for Tx/Rx/Both

Cable Diagnostics
• Yes

Configurable Auto MDI/MDI-X
• Yes

VLAN

802.1Q
• 2003 Edition

VLAN Group
• Max 256 static VLAN groups, max 4094 VID

Management VLAN
• Supports 1 Management VLAN

Asymmetric VLAN
• Yes

Auto Voice VLAN
• Max. 10 user defined OUI, Max. 8 default OUI

Auto Surveillance VLAN
• Yes

QoS (Quality of Service)

802.1p Quality of Service
• 4 Queues per port

Queue Handling
• Strict, Weighted Round Robin (WRR)

CoS based on
• 802.1p Priority Queues, DSCP

Bandwidth Control
• Port-based (Ingress/Egress, min. granularity 64 Kb/s)

Access Control List

Maximum profiles
• 50

Maximum rules shared by profiles
• 240

ACL based on
• MAC Address, IPv4 Address (ICMP/IGMP/TCP/UDP), VLAN ID, 802.1p Priority, DSCP

ACL Actions
• Permit, Deny

Security

802.1X Port-based Access Control
• Default 802.1X forwarding

Port Security
• Supports up to 64 MAC addresses per port

Traffic Control
• Broadcast/Multicast/Unicast Storm Control

Static MAC
• Supports 256 Static MAC entries

D-Link Safeguard Engine
• Yes

DHCP Server Screening
• Yes

ARP Spoofing Prevention
• Max 64 entires

SSL
• Supports v1/v2/v3

MIB

MIB
• 1213 MIB II, 1493 Bridge MIB, 1907 SNMP v2 MIB, 1215 Trap Convention MIB, 2233 Interface Group MIB, D-Link Private MIB, Power Ethernet MIB (DES-1210-28P only), LLDP-MIB (DES-1210-28P only)

RFC

RFC
• RFC 768 UDP, RFC 791 IP, RFC 792 ICMP, RFC 793 TCP, RFC 826 ARP, RFC 854 Telnet Server, RFC 855 Telnet Server, RFC 856 Telnet Binary Transmission, RFC 858 Telnet Server, RFC 896 Congestion Control in TCP/IP Network, RFC 903 Reverse Address Resolution Protocol, RFC 951 BootP Client, RFC 1155 MIB, RFC 1157 SNMP v1, RFC 1191 Path MTU Discovery, RFC 1212 Concise MIB Definition, RFC 1213 MIB II, IF MIB, RFC 1215 Traps for use with the SNMP, RFC 1239 Standard MIB, RFC 1350 TFTP, RFC 1493 Bridge MIB, RFC 1519 CIDR, RFC 1945 HTTP/1.0, RFC 2131 DHCP, RFC 2132 DHCP Options and BOOTP Vendor Extensions, RFC 2138 Radius Authentication, RFC 2233 Interface MIB, RFC 2578 Structure of Management Information Version 2 (SMIv2), RFC 2647 802.1p, RFC 3416 SNMP, RFC 3417 SNMP, RFC 3621 Power Ethernet (DES-1210-28P only)

Management

Web-based GUI
• Supports IPv4

Compact CLI through Telnet
• Yes

Cloud Management
• Supports D-Link Insight Cloud Managed Client Security*

Telnet Server
• Maximum connection is 4, Supports IPv4

TFTP Client
• Supports IPv4

SNMP
• v1/v2c/v3

SNMP Trap
• Yes

Trap for SmartConsole Utility
• Yes

System Log
• Max. 500 log entries, supports IPv4 log server

BootP/DHCP Client
• Yes

Time Setting
• SNTP

LLDP
• DES-1210-28P only

LLDP-MED
• DES-1210-28P only

Time-based PoE
• DES-1210-28P only

Warranty Information

Warranty
• Limited Lifetime**

Ordering Information
• DES-1210-28 Web Smart 24-Port 10/100 Switch, 4GbE, 2 Combo SFP Slots
• DES-1210-28P  Web Smart 24-Port 10/100 Switch, 4GbE, 2 Combo SFP Slots
• DES-1210-52  Web Smart 48-Port PoE 10/100 Switch, 4GbE, 2 Combo SFP Slots

• DEM-211  100BASE-FX Multimode LC Transceiver, up to 2Km
• DEM-310GT  1000BASE-LX SFP Module, Up to 10Km
• DEM-311GT  1000BASE-SX SFP Module, Up to 550m

   <sup>*D-Link Insight and Insight Plus are supported by Revision A hardware versions of the DES-1210-28, DES-1210-28P and DES-1210-52.
** Limited Lifetime Warranty available only in the USA and Canada.

All references to speed are for comparison purposes only. Product specifications, size and shape are subject to change without notice, and actual product appearance may differ from that depicted herein.</sup>