Specifications

B-35
DES-1200 Series
Model DES-1228 DES-1228P DES-1252
LAN Interface IEEE 802.3; IEEE 802.3u; IEEE 802.3z; IEEE 802.3ab; IEEE 802.3af (DES-1228P)
Port Interface
10BASE-T/100BASE-TX
Port (RJ-45)
24 24 (PoE) 48
10BASE-T/100BASE-TX/
1000BASE-T Port (RJ-45)
2 2 2
Combo 1000BASE-T/SFP 2 2 2
General Features
Switching Capacity 12.8Gbps 17.6Gbps
Maximum Forwarding Rate 9.52Mpps 13.1Mpps
Forwarding Mode Store and Forward
Packet Buffer Memory 128KBytes
SDRAM for CPU 8MBytes
Flash Memory 2MBytes PROM
Mean Time Before Failure
(MTBF)
326,647 hours 149,676 hours 298,917 hours
L2 Features
MAC Address Table: 8K; Static MAC: 256; Enable/Disable Auto-Learning of MAC Addresses;
IGMP Snooping v1/v2: 64 Multicast Groups; Spanning Tree Protocol: 802.1D STP; Power Savings;
Static Port Trunk: Max. 6 Groups Per Device, 8 Ports Per Group
Virtual VLAN (VLAN) 802.1Q Tagged VLAN; Max. 256 Static VLAN Groups; Management VLAN; Asymmetric VLAN
Quality of Service (QoS)
802.1p Priority Queue; Max. 4 Queues Per Port; DSCP-based QoS;
Queue Handling: Strict, Weighted Round Robin (WRR)
Security
802.1X Port-based Access Control; Broadcast Storm Control; Trusted Host; Cable Diagnostics;
D-Link Safeguard Engine: Protect CPU from Broadcast/Multicast/Unicast Flooding
Management
Web-based GUI; Simple Network Management Protocol (SNMP) v1; DHCP Client;
Trap Settings for Destination IP, System Events, Fiber Port Events, Twisted-Pair Port Events;
Port Access Control; Web-based Configuration Backup/Restoration;
Web-based Firmware Backup/Upload; Firmware Upgrade using SmartConsole Utility;
System Reboot using Web-based Interface; SmartConsole Utility
Management Information Base (MIB) MIB-II (RFC1213); D-Link Private MIB
Physical &
Environment
Dimension (W x D x H)
19-inch, 1U Rack-Mount;
440 x 140 x 44mm
19-inch, 1U Rack-Mount;
440 x 209 x 44mm
19-inch, 1U Rack-Mount;
440 x 310 x 44mm
Weight 2.08kg 3.20kg 3.72kg
Power Input AC Input: 100-240 VAC, 50/60Hz; Internal Universal Power Supply
Power Consumption 18.35W 222W 26.2W
Power over Ethernet -
Power Budget: 170W
Per Port: 15.4W
-
Operation Temperature 0 to 40 °C
Storage Temperature -10 to 70 °C
Operation Humidity 10% to 90% RH
Storage Humidity 5% to 90% RH
Fan Fanless Four Fans Fanless
Reset Button One Reset Button
Certification
EMI-EMC Compliance FCC Class A; CE Class A; VCCI Class A; C-Tick
Safety Compliance cUL
SWITCHES
* Available in Future Firmware Upgrade
Fast Ethernet Web Smart Switches