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Product Status - Phased Out

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DES-1228P - US Revision A

Hardware revisions
Downloads can vary across product revisions.
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Firmware
Do NOT upgrade firmware on any D-Link product over a wireless connection. Failure of the device may result. Use only hard-wired network connections.
Version Description Date
Download 1.31.02
Revision Info:
Note: If the device is using firmware v1.31.02, it is not allowed to downgrade to previous firmware version.
See notes below:
 12/1/2010
Download
Download 1.31.02
Notes for above Firmware
 12/1/2010
Download
Download 1.31.01
Revision Info
  • Fix the problem when the access point (DWL-3140AP) is connected to DES-1228P and user enables LLDP function on the switch. If the switch is rebooted, the switch becomes unresponsive of PING or Web.
  • Fix the bug that clients connected to switch will not obtain IP from DHCP server.
 1/8/2009
Download
Download 1.20.12
Revision Info
  • Fixed the bug, if SNMP Trap is enabled, switch will not respond to Ping or Web requests, but the packet switching works normally.
  • Fixed the issue, when generating a lot of 'leave messages' in IGMP snooping, the switch will not respond to Ping or Web requests.
  • Fixed bug, invalid VLAN group setting over 64 groups.
  • Fixed bug, invalid IGMP parameter settings (Query Interval, Max Response Time, Robustness Variable and Last Member Query Interval)
 2/21/2008
Download
Download 1.20.09
Revision Info
  • Resolved multicast flooding issue. The default multicast behavior is flooding to all ports. The flooding will stop once any clients report join message.
 11/5/2007
Download
Download 1.20.08
Revision Info
  • Fixed the incompatibility issue with DEM-311GT v.C1. 
  • Fixed the switch authentication function error issue via Smart WLAN Manager. 
  • Added 802.1ab LLDP.
  • Added “Anti-Rogue AP” function (Only for Smart WLAN Manager)
 8/7/2007
Download
Download 1.10.02
Revision Info
  • Fixed remote management issue.
 5/7/2007
Download
Download 1.10.01
Revision Info
  • Fixed the lighting upside down issue of Link/Act LED and port speed LED for port 1-24.
 1/22/2007
Download
Additional Downloads
Version Description Date
Download 2.01.09
Smart Console Utility - Revision Info
  • Fixed the bug that utility can not be installed completely on some of OS machines (Windows XP/2k in English version).
  • Fixed the bug that did not allow the device to upgrade firmware through SmartConsole Utility when upgrading the firmware in Web GUI failed.
 10/21/2009
Download
Download 1.00.11
Smart WLAN Manager - Revision Info
  • Add the refresh function
  • Stop polling if seting ap configuration
  • Fixed the replace function
 7/7/2008
Download
Download 1.06
MIBs
 2/21/2008
Download
Download 1.00.10
Smart WLAN Manager - Revision Info
  • Fixed: WLAN partition, which will not allow two wireless clients communication each other once this feature enable.
 10/22/2007
Download
Download 1.0.07
Smart WLAN Manager
 8/16/2007
Download
Download 1.20.08
Wireless Guides - Revision Info
  • Guides for wireless configuration.
 8/15/2007
Download
Datasheets
Description Type File Size
Download PDF 0.16mb
Download
Manuals
Description Type File Size
Download PDF 3.86mb
Download

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Switching Capacity
  • 12.8Gbps

Number of PoE Ports
  • 24

Forwarding Mode
  • Store and Forward

Packet Buffer memory
  • 1MB

SDRAM for CPU
  • 8MB

Flash Memory
  • Prom 2Mb

MAC Address
  • 8K MAC Address Table

IGMP snooping
  • Supports 64 multicast groups. Support default flooding for non-joined multicast traffic

802.1D Spanning Tree
  • Supports per device STP & BPDU forwarding

Static Port Trunk
  • Supports max 6 groups per device and 8 ports per group

Flow Control
  • Enabled and disabled

Port Mirroring
  • Supports one-to-one or many-to-one port mirroring

802.1Q
  • Supports 256 static VLAN groups

VLAN Group
  • Be able to configure VID from 1-4094

802.1p support
  • 4 Queues

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

Broadcast Storm Control
Allow specifying the per device threshold in terms of 8Kb ~ 4096Kb per second

Static MAC
  • Support 256 Static MAC entrise

D-Link Safeguard Engine
  • Protect CPU from Broadcast/Multicast/Unicast flooding

Web-based GUI
  • Compatible with IE, Netscape, Mozilla, Firefox, Opera, Safari browsers

SNMP v1
  • Configurable Community setting, SNMP Trap

DHCP client
  • Supports DCHP IP Adress for System Interface

802.1ab LLDP
  • Enabled and disabled

Switch Discovery
  • Up to 256 agents/switches

Port Setting
  • Can set Speed, Duplex mode, Flow Control

Configuration Backup/Restore
  • Via Web GUI

Reboot
  • Via Web GUI

Wireless Switching Features

Central AP Management
  • Monitor AP status and wired ports in the same graphic interface

AP Group Management
  • Maintain a set of setting templates that simplify the task to assign the same settings to multiple APs

Log
  • System log; Operator action log; SNMP trap log of AP and switch

Syslog Alert
  • BSD syslog client; adjust send syslog frequency and syslog condition

Central Firmware Upgrade
  • Select multiple APs and upgrade their firmware at the same time

Alert
  • Summarize abnormal status in the alert window

AP Topology Monitor
  • List monitored devices; periodic update on device status

Zero Configuration
  • One-click technology to restore broken AP’s setting onto its replacement AP

AP Life Check
  • Real time tracking monitors APs status

AP User Statistics
  • Maintain all wireless clients connection history and depict statistics in diagrams

AP Traffic Statistics
  • Maintain all APs traffic history and depict statistics in diagrams

AP Load Balance
  • Allow to set a group of managed APs to share their loading

WLAN Partition
  • If enabled, WLAN clients are not allowed to exchange data through the DWL-3140AP

Interface Options

RJ-45 (24 x 10/100BaseT ports & 4 1000Base-T ports)
  • IEEE 802.3 compliance
  • IEEE 802.3u compliance
  • IEEE 802.3x Flow Control support for Full-Duplex mode, Back Pressure when Half-

Duplex mode

SFP LC
  • IEEE 802.3z compliance

Network Management

In & Out of Band
  • HTTP, SNMP v1

Physical & Environmental

AC input
  • 100-240 VAC, 50/60Hz
  • Internal universal power supply

Temperature
  • Operating: 32°F to 104°F (0°C to 40°C)
  • Storage: 14°F to 158°F (-10°C to 70°C)

Humidity
  • Operating: 10%-90% RH
  • Storage: 5% ~ 90% RH

Power consumption
  • 222 Watts Maximum

PoE Budget
  • 170 Watts Maximum

Heat Dissipation
  • 757.51 btu/hr Max

Dimension
  • 19-inch, 1U Rack-mount size
  • 17in x 4.25in x 1.73in (440 mm x 140 mm x 44mm)

Emission (EMI) and Safety Certifications

EMI-EMC Compliance
  • FCC class A, CE Class A, VCCI Class A

Safety Compliance
  • cUL, UL

Warranty Information

Warranty
  • Limited Lifetime*

Ordering Information

Part Number
  • Description

DES-1228P
  • Web Smart 24-Port 10/100 PoE Wireless Switch 4 Gigabit Copper, 2 Combo SFP

DEM-310GT
  • 1000Base-LX SFP Module up to 10km

DEM-311GT
  • 1000Base-SX SFP Module up to 550m

DEM-211
  • 100BASE-FX Multi-Mode LC SFP Transceiver, up to 2km

DWL-3140AP
  • Web Smart PoE Thin Access Point, 802.3af, 802.11g, for DES-1228P

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