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Product features:
Web Smart 16-Port 10/100/1000+2 combo SFP Switch
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General features:

Port Standards & Functions
+ IEEE 802.3 10BASE-T Ethernet (twisted-pair copper)
+ IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)
+ IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted- pair copper)
+ IEEE 802.3z Gigabit Ethernet (fber) ANSI/IEEE 802.3
+ NWay Auto-Negotiation
+ IEEE 802.3x Flow Control
+ 802.3af Power over Ethernet (for DGS-1224TP only)

Number of Ports
16  10/100/1000BASE-T ports, 2 combo SFP slots
*  Use of SFP will disable their corresponding 10/100/1000BASE-T connections

SFP Modules
+ Optional SFP Transceivers:
   - DEM-310GT 1000BASE-LX, Single-mode, 10km
   - DEM-311GT 1000BASE-SX, Multi-mode,500m
   - DEM-312GT2 1000BASE-SX, Multi-mode, 2km
   - DEM-314GT 1000BASE-LX, Single-mode, 50km
   - DEM-315GT 1000BASE-LX, Single-mode, 80km
+ Optional WDM Transceivers:
   - DEM-330T (1000BASE-LX, wavelength Tx: 1550nm, Rx: 1310nm, Single-mode, 10km)
   - DEM-330R (1000BASE-LX, wavelength Tx: 1310nm, Rx: 1550nm, Single-mode, 10km)
   - DEM-331T (1000BASE-LX, wavelength Tx: 1550nm, Rx: 1310nm, Single-mode, 40km)
   - DEM-331R (1000BASE-LX, wavelength Tx: 1310nm, Rx: 1550nm, Single-mode, 40km)

Data Transfer Rates Ethernet:
+ 10Mbps (half duplex)
+ 20Mbps (full duplex)

Fast Ethernet:
+ 100Mbps (half duplex)
+ 200Mbps (full duplex)

Gigabit Ethernet:
2000Mbps (full duplex)

Topology
Star

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

Full/half Duplex
+ Full/half duplex for 10/100Mbps speeds
+ Full duplex for Gigabit speeds

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

LED Indicators
+ Per device: Power/CPU
+ Per 10/100/1000BASE-T port: Link/Act, 100/1000Mbps
+ Per SFP slot: Link/Act, 1000Mbps

Software
L2 Features
+ IGMP v1/2 Snooping: supports 64 multicast groups
+ 802.1D Spanning Tree
+ Static Port trunk (Link Aggregation): up to 6 groups per device, up to 8 ports per group

Green Ethernet
+ Power Saving Mode (as compared with previous models)
   - Full Load/Max. Power Consumption: 24%
   - Link Down Power Consumption: 32%
Note:  The Power Saving percentage cannot be applied for DGS-1224TP, since there is no previous version of this model.

VLAN
+ 802.1Q VLAN (VLAN Tagging)
+ Up to 256 static VLAN groups
+ Management VLAN
+ Asymmetric VLAN

QoS (Quality of Service)

+ 802.1p Priority Queues
+ Up to 4 queues per port
+ DSCP-based QoS
+ Supports WRR or Strict Mode in Queue Handling

Security

+ 802.1X Port-based Access Control
+ Broadcast Storm Control: threshold of 8K, 16K, 32K, 64K, 128K, 256k, 512K, 1024K, 2048K, 4096K bytes per second
+ D-Link Safeguard Engine to protect CPU from  broadcast / multicast / unicast fooding
+ Trusted Host
+ Cable Diagnostics function

Management Web-based GUI
+ SNMP v1 support
+ DHCP Client
+ Trap setting for destination IP, system events, fber port events, twisted-pair port events
+ Port Access Control
+ Web-based: Confguration backup/restoration
+ Web-based: Firmware backup/upload
+ Firmware upgrade using SmartConsole Utility
+ System Reboot using web-based interface
+ SmartConsole Utility

MIB
+ RFC 1213 MIB-II
+ D-Link Enterprise Private MIB

Performance
Switch Capacity
32Gbps

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 addresses

Maximum 64 bytes packet forwarding rate
23.8Mpps

RAM Buffer
512Kbytes per device

Jumbo Frame

10,240bytes



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

Power Consumption
23W

Heat Dissipation
78.48BTU/hr

Operating Temperature
0˚ to 40˚ C

Storage Temperature
-10˚ to 70˚ C

Operating Humidity
10% to 90% non-condensing

Storage Humidity
5% to 90% non-condensing

Dimensions
+  440 x 210 x 44 (mm)
+ 19-inch standard rack mounting width, 1U height 

Weight
2.72 kg

EMI
+ FCC Class A
+ CE Class A
+ VCCI Class A

MTBF
228,450hrs

Safety

cUL, LVD

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