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Port Standard & 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)Auto-negotiation
- IEEE 802.3x Flow Control support for Full-Duplex Mode.
Number of Ports
- 28 10/100/1000 Mbps Ports
- 4 SFP
Network Cables
- UTP Cat. 5, Cat. 5e (100 m max.)EIA/TIA-568 100-ohm STP (100 m max.)
- Full/Half Duplex
- Full/half duplex for 10/100 Mbps speeds Full duplex for Gigabit speed.
Media Interface Exchange
- Full duplex
- Performance
Switching Capacity
- 40 Gbps
Transmission Method
- Store-and-forward
MAC Address Table
16K 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.
- 29.8Mpps
Packet Buffer Memory
- 1 MB per device.
Physical & Environmental
- AC Input
- 100 to 240 VAC, 50/60 Hz internal universal power supply
- Maximum Power Consumption
- 14.06 W.
Standby Power Consumption
- 6.7 W/100 Vm,7.2 W/240 V
- Acoustics
- 0 dBA
Heat Dissipation
- 47.97 BTU/hr
Operating Temperature
- -5 to 50 °C (41 to 122 °F)
Storage Temperature
- -20 to 70 °C (-4 to 158 °F)
Operating Humidity
- -5 to 50 °C (41 to 122 °F)
Dimensions (L x W x H)
- 17.32 x 5.51 x 1.73 inches (19” standard rack mounting width, 1U height).
Weight
- 4.85 lbs
- Diagnostic
- LEDs
- Power (Per device)
- Link/Activity/Speed (Per 10/100/1000 Mbps port)
- Link/Activity/Speed (Per SFP port)
- Certifications
- FCC Class A, CE Class A, ICES-003, VCCI Class A, C-Tick, BSMI
- Safety
- UL/cUL, LVD.
MTBF
- 253,460 hours Software Specifications
- D-Link Single IP Management
- Virtual Stacking/Clustering of up to 32 devices.
L2 Features
- MAC Address Table
- 16K entries
- Flow Control
- 802.3x Flow Control
- HOL Blocking Prevention
- IGMP Snooping
- IGMP v1/v2 Snooping
- Supports 256 IGMP groups
- Supports at least 64 static multicast addresses
- IGMP per VLAN
- Supports IGMP Snooping Querier
- Spanning Tree Protocol
- 802.1D STP
- 802.1w RSTP
- 802.1s MSTP2
- Loopback Detection
- Port Mirroring
- One-to-One
- Many-to-One
- Supports Mirroring for Tx/Rx/Both
- 802.3ad Link Aggregation
- DGS-1500-20: Max. 10 groups per device, 8 ports per group
- Cable Diagnostics
- Configurable MDI/MDIX
- Multicast Filtering
- Forwards all unregistered groups
- Filters all unregistered groups
- Jumbo Frame
- Up to 10,000 bytes
- LLDP
- LLDP-MED
- VLAN
- 802.1Q
- VLAN Group
- Max. 4K static VLAN groups
- Max. 4094 VIDs
- GVRP
- Up to 256 dynamic VLANs
- Asymmetric VLAN
- Auto Voice VLAN
- Max. 10 user defined OUI
- Max. 8 default OUI
- Auto Surveillance VLAN
- 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
- ToS3
- IPv6 Traffic Class3
- IPv6 flow label3
- TCP/UDP port3
- Bandwidth Control
- Port-based (Ingress/Egress, min. granularity 10/100/1000 is 64 Kb/s
L3 Features
- ARP
- 64 Static ARP
- Supports Gratuitous ARP
- IPv6 Neighbor Discovery (ND)2
- IP Interface
- Supports 4 interfaces
L3 Routing
- Default Routing
- Static Routing
- Max. 32 IPv4 Static Route entries
- Max. 128 IPv4 Host Routes
- Max. 16 IPv6 Static Route entries2
- Max. 64 IPv6 Host Routes2
- MAC Address
- Ether Type
- IPv4 Address
- DSCP
- Protocol Type
- Security
Port Security
- Supports up to 64 MAC addresses per port
- Broadcast/Multicast/Unicast Storm Control
- D-Link Safeguard Engine
- 802.1X Port-based Access Control
- DHCP Server Screening
- IP-MAC-Port Binding2
- Supports 512 address binding entries
- ARP mode
- ACL mode
- Supports DHCP Snooping
- ARP Spoofing Prevention
- Max. 64 entries
- Traffic Segmentation
- SSL
- Supports v1/v2/v3
- Supports IPv63
AAA
- 802.1X Authentication
- Supports local/ RADIUS database
- Supports Port-based access control
- Supports EAP, OTP, TLS, TTLS, PEAP
- IPv6 RADIUS Server2
MIB
- 1213 MIB II
- 1493 Bridge MIB
- 1907 SNMP v2 MIB
- 1215 Trap Convention MIB
- 2233 Interface Group MIB
- D-Link Private MIB
- LLDP MIB
- Power-Ethernet MIB3
- RFC Standard Compliance
- RFC Standard Compliance
- RFC 783 TFTP
- RFC 854 Telnet Server
- RFC 951 BootP/DHCP Client
- RFC 1157 SNMP v1, v2, v3
- RFC 1213 MIB II
- RFC 1215 MIB Traps Convention
- RFC 1350 TFTP
- RFC 1493 Bridge MIB
- RFC 1769 SNTP
- RFC 1542 BootP/DHCP Client
- 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
- OAM
- Cable Diagnostics
- Factory Reset
Management
- Web-based GUI
- Single IP Management
- Compact CLI
- Telnet Server
- TFTP Client
- Configurable MDI/MDIX
- SNMP
- Supports v1/v2/v3
- SNMP Trap
- Trap for SmartConsole Utility
- System Log
- Max. 500 log entries
- BootP/DHCP Client
- ICMP v62
- IPv4/v6 Dual Stack2
- DHCP Auto Configuration
- Debug Command
- Time Setting
- SNTP
- RMONv1
- Trusted Host
- Time-based PoE3
- User Account
- Upload/Download Configuration file
- Backup/Upgrade firmware
- Smart Wizard
- SNTP
- Green™ V3.0 Technology
Power Saving by:
- Link Status
- Cable Length
- LED Shutoff
- Port Standby
- System Hibernation
