Standards and functions of ports
• IEEE 802.3 10BASE-T Ethernet
• IEEE 802.3u 100BASE-TX Fast Ethernet
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet
• IEEE 802.3x Flow Control for full duplex mode
• Auto-negotiation
 
Number of Ports
• 16-port 10/100/1000 Mbit / s and 4 SFP ports
 
Network Cables
• UTP Category 5, 5e (max. 100 m)
• EIA/TIA-568 100-ohm STP (maximum 100m)
 
Advanced Interface
• Automatic and customizable interface MDI / MDI-X
 
Capacity of the switch
• 40 Gbit / s
 
Switching Method
• Store-and-forward
 
MAC-address table
• 16.000 entries in the device
 
Study of MAC-addresses
• Up to 256 static MAC-address entries
• Enable / disable MAC-address avtoizucheniya
 
Maximum packet forwarding rate of 64 bytes
• 29.8 Mpps
 
Packet buffer memory
• 1 MB on the device
 
Software
The functions of level 2
• MAC-address table: 16,000 entries
• Flow Control
  - 802.3x Flow Control
  - HOL blocking prevention
• IGMP Snooping
  - IGMP v1/v2 Snooping
  - Supports up to 256 IGMP-group
  - Supports up to 64 static multicast groups
  - IGMP on a VLAN
  - Support for IGMP Snooping Querier
• Spanning Tree Protocol
  - 802.1D STP
  - 802.1w RSTP
• Loopback Detection
• 802.3ad Link Aggregation
  - Max. number of groups on the device 10/8 ports per group
• Port Mirroring
  - One-to-One, Many-to-One
  - Support for Mirroring for Tx / Rx / Both
• Filtering of multicast
  - Redirect all non-registered groups
  - Filtering of unregistered groups
• LLDP, LLDP-MED
 
VLAN
• 802.1Q
• Group VLAN
  - Max. 256 static VLAN groups
  - Max. VID 4094
• Management VLAN
• Asymmetric VLAN
• Auto Voice VLAN
  - Max. 10 user defined OUI
  - Max. 8 by default defined OUI
• Auto Surveillance VLAN
 
QoS (Quality of Service)
• 802.1p Quality of Service
• 4 queues per port
• Processing Queue
  - Strict
  - Weighted Round Robin (WRR)
• CoS-based
  - 802.1p Priority Queues
  - DSCP
  - ToS1
• Bandwidth Management
  - Based on the port (incoming / outgoing, with a step of 10/100/1000 and 64 kB / s)
 
Access Control Lists (ACL)
• DGS-1210-20/28/28P:
  - 50 profiles (maximum)
  - Max. 240 Access Rules
  - A single port or multiple ports (each rule)
• DGS-1210-52:
  - 50 profiles (maximum)
  - Max. 450 Access Rules
• ACL-based
  - MAC-addresses
  - IPv4-address (ICMP / IGMP / TCP / UDP)
  - 802.1p
  - DSCP
  - Type Ethernet
• Actions ACL
  - Allow
  - Deny
 
Security
• Port Security
  - Supports up to 64 MAC-addresses per port
• Management of broadcast / multicast / unicast storm
• Static MAC-address
• D-Link Safeguard Engine
• The DHCP Server Screening
• A trusted host
• Preventing ARP Spoofing Attacks
  - Max. 64 records
• SSL
  - Support v1/v2/v3
  - Support IPv4/IPv61
• Segmentation of Traffic
• Intelligent linking
  - Supports 512 entries binds IP-MAC-Port
  - Detection of connected devices and their binding
  - ARP-packet inspection and / or IP-packet
  - Support for DHCP Snooping
 
AAA
• Authentication 802.1X port-based
  - Support for RADIUS-server
  - Support for EAP, OTP, TLS, TTLS, PEAP
 
OAM
• The Cable Diagnostics
• Return to factory settings
 
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
• LLDP MIB
 
Compliance with RFC
• RFC 783 TFTP
• RFC 854 Telnet-Server
• RFC 951 BootP / DHCP-client
• RFC 1157 SNMP v1, v2, v3
• RFC 1191 Path MTU Discovery
• FC 1213 MIB II, IF MIB
• RFC 1215 MIB Traps Convention
• RFC 1350 TFTP
• RFC 1493 Bridge MIB
• RFC 1542 BootP / DHCP-client
• RFC 1769 SNTP
• RFC 1901 SNMP v1, v2, v3
• RFC 1907 SNMP v2 MIB
• RFC 1908 SNMP v1, v2, v3
• RFC 2068 FCS
• RFC 2131 BootP / DHCP-client
• RFC 2138 RADIUS authentication
• RFC 2139 RADIUS authentication
• RFC 2233 Interface Group MIB
• RFC 2246 SSL
• RFC 2475
• RFC 2570 SNMP v1, v2, v3
• RFC 2575 SNMP v1, v2, v3
• RFC 2598 CoS
• RFC 2616 FCS
• RFC 2618 RADIUS authentication
• RFC 2819 RMON v1
• RFC 2865 RADIUS authentication
• RFC 3164 System Log
• RFC 3195 System Log
• RFC 3411-17 SNMP
• RFC 3621 Power Ethernet MIB
 
Management
• Multilingual Web-based GUI
  - English (default)
  - Simplified Chinese
  - Traditional Chinese
  - French
  - German
  - Italian
  - Japanese
  - Portuguese
  - Russian
  - Spanish
• Utility SmartConsole
• Simple CLI
• Telnet-Server
• TFTP-client
• Customizable interface MDI / MDIX
• SNMP
  - Support v1/v2/v3
• SNMP Trap
• System log
  - Max. 500 entries in the log
• BootP / DHCP-client
• SNTP
• ICMPv61
• IPv4/IPv6 Dual Stack1
• Automatic configuration of DHCP
• RMONv1
• PoE on the basis of time (only model PoE)
 
Technology D-Link Green 3.0
• Energy savings:
  - When connecting the different states
  - Depending on the length of the cable
  - When you turn indicators or port
  - In standby mode, ports
  - In sleep mode the system

Input Power
• 100-240 VAC, 50/60 Hz internal universal power supply
 
Maximum power consumption
• 14.06 Watts
 
Power consumption in standby mode
• 6.7 In Vt/110, 7.2 Vt/240 In
 
Number of fans
• 0
 
Acoustics
• 0 dB
 
Heat release
• 47,97 BTU / h
 
Operating temperature
• From -5 ° to 50 ° C
 
Storage temperature
• From -20 ° to 70 ° C
 
Operating humidity
• From 0% to 95% noncondensing
 
Storage humidity
• From 0% to 95% noncondensing
 
Dimensions (L x W x H)
• 440 mm x 140 mm x 44 mm
• Dimensions for installation in standard 19-inch rack, 1U
 
Weight
• 2.2 kg
 
Diagnostic Lights
• Power (per device)
• Link / Activity / Speed ​​(at 10/100/1000 Mbit / s)
• Link / Activity / Speed ​​(on port SFP)
 
MTBF
• 253.460 h
 
Certificates
• FCC Class A
• CE Class A
• ICES-003
• VCCI Class A
• C-Tick
• BSMI
 
Security
• cUL
• CE LVD