28-port Gigabit L2 Stackable Managed Switch D-Link DGS-3420-28SC/E
-20 SFP ports + 4 Combo 10/100/1000 Base-T/SFP ports + 4 port 10Gigabit SFP+ Slots.
-/E: EU 2 round pin power cord.
-Physical stack up to 12 units, 576 Gigabit ports, up to 40G Full-duplax Stacking bandwidth.
-Support ITU-T G.8032 Ethernet Ring Protection Switching (ERPS).
-Provides a complete set of security features L2/L3/L4 multi-layer Access Control Lists
-Supports 802.1X user authentication via TACACS+ and RADIUS servers
-Offers extensive VLAN support including GVRP, 802.1Q VLAN to enhance security and performance
-Robust set of QoS/CoS solutions for critical network services (VoIP, ERP, Intranet, conferencing)
-Support 802.1 ag Connectivity Fault Management (CFM) and 802.3 ah Ethernet OAM
-IEEE 1588 Precision Time Protocol to synchronize the time between nodes on Ethernet network
-Green Technology, Power saving mode, time-based PoE and Smart Fan.
Technical Specifications
| Ports | 20 port SFP |
| 4 port Combo 1000BASE-T/SFP | |
| 4 port SFP+ | |
| /E: EU 2 round pin power cord | |
| Optional Redundant Power Supply | DPS-500 |
| Console Port | RS232 |
| Management port | 10/100BASE-TX |
| Alarm port | Yes |
| SD card slot | Yes |
| Switching Capacity | 128 Gbps |
| 64 Byte Packet Forwarding Rate | 95.24 Mpps |
| MAC Address Table | 16K Entries |
| Packet Buffer Memory | 2 MB |
| Jumbo Frame | 13000 bytes |
| MTBF(hours) | 300371 hours |
| Acoustic | 46.3 dB |
| Heat Dissipation | 205.3 BTU/hr |
| Power Input | 100 to 240 VAC, 50 to 60Hz Internal Universal Power Supply |
| Ventilation | Smart Fan |
| Max Power Consumption | 60.3W |
| Emission (EMI) | FCC Class A, CE Class A, VCCI Class A, IC, C-Tick |
| Safety | CB, cUL, LVD |
| Certifications | IPv6 Ready Logo Phase 2 |
| Dimensions | 441 x 310 x 44 mm |
| Weight | 4.06 kg |
-Bảo hành: 36 tháng.
