28-port Layer 2 Gigabit Stackable Managed Switch D-Link DGS-3000-28SC
Designed for Gigabit Metro/Campus Access
- 20-Port 100/1000 SFP ports and 4 Combo 10/100/1000BASE-T/SFP ports with 4 10G SFP+ uplink ports
High Bandwidth Physical Stacking
- Up to 40 Gbps Full-Duplex Stacking Bandwidth
- Up to 6 units per stack
Reliable Hardware and Software Features
- 6 kV surge protection for Ethernet ports
- Redundant Power Supply (RPS) support
- 50 ms Ethernet recovery mechanism for various network topologies
- Protocol-less loop detection protect network from uncontrolled grey area
Outstanding Triple Play Support
- Multiple Set-Top Box (STB) per leased line
- Easy channel and service package management
- Strict STB authentication
Data Leakage Prevention
- Several user/device authentication methods
- Clientless user/device authentication, easy to deploy
- Strict address binding to prevent malicious attack
Specifications
| Model | DGS-3000-28SC |
| Interface | |
| Ports | 20-Port 100/1000 SFP ports 4-Port Combo 10/100/1000BASE-T/SFP 4-Port 10G SFP+ |
| Console Port | RJ-45 Connector |
| Performance | |
| Switching Capacity | 128 Gbps |
| 64-byte Max. Forwarding Rate | 95.24 Mpps |
| MAC Address Table Size | 16K Entries |
| DRAM for CPU | 256 MB |
| Packet Buffer | 1.5 MB |
| Jumbo Frame | 13 KBytes |
| Physical | |
| Acoustic | 49.5 dB |
| Heat Dissipation | 118.69 Btu/h |
| Weight | 2.156 Kg |
| Dimensions | 440 x 209.9 x 44mm |
| Power Input | AC Input 100 to 240 V AC, 50 to 60 Hz Internal Universal Power Supply |
| Maximum Power Consumption |
56.2 W |
| Ventilation | Smart Fan |
| Power Surge Protection | All Ethernet ports support IEC61000-4-5 10/700us 6 kV surge protection |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Storage Temperature | -20 to 70°C (-4 to 158°F) |
| Operating Humidity | 0% to 95% RH |
| Storage Humidity | 0% to 95% RH |
| Software | |
| Stackability | Physical Stacking Virtual Stacking |
| L2 Features | 16K MAC Address Table Flow Control Jumbo Frames up to 13K bytes Spanning Tree Protocols: Root Restriction Loopback Detection Link Aggregation Port Mirroring Ethernet Ring Protection Switching (ERPS) L2 Protocol Tunneling (L2PT) |
| L2 Multicasting | IGMP Snooping IGMP Authentication IGMP/MLD Proxy Reporting Limited IP Multicast (IGMP Filtering) MLD Snooping |
| VLAN | VLAN Group: Up to 4094 VLAN Port-based VLAN MAC-based VLAN GVRP: Up to 4094 dynamic VLANs 802.1v Protocol VLAN 802.1Q Tagged VLAN Double VLAN (Q-in-Q) ISM VLAN VLAN Translation Voice VLAN VLAN Trunking Asymmetric VLAN Auto Surveillance VLAN Surveillance VLAN Private VLAN |
| L3 Features | Up to 1024 ARP Entries Gratuitous ARP IPv6 Neighbor Discovery (ND) Default Route |
| QoS | Yes |
| Access Control List (ACL) | Yes |
| Authentication, Authorization, and Accounting (AAA) | Yes |
- Bảo hành: 36 tháng.
