מתג מנוהל עם 20 יציאות PoE במהירות ג'יגהביט, ארבע יציאות משולבות ג'יגהביט/אופטי (SFP) וארבע יציאות 10G SFP – DGS-3420-28PC

Great performance, flexibility, security, and reliability for SMB and enterprise networks.

• 20 x 10/100/1000BASE-T PoE ports
• 4 x 10/100/1000BASE-T/SFP Combo ports
• 4 x SFP+ ports
• High-bandwidth physical stacking of up to 12 units for a total of 576 Gigabit ports
• Supports 802.3af and 802.3at PoE with a high-capacity 370 W PoE power budget
• L2/L3 static routing support, including Static Route and RIP v1/v2/ng
• Comprehensive security features including IMPB, AAA, L2/L3/L4 access control, QoS, and D-Link Safeguard Engine
• IPv6-ready

Specifications
802.3x Flow Control: Yes
Head-of-line (HOL) Blocking Prevention: Yes
Store & Forwarding Forwarding: Yes
Comply with RoHS 6: Yes
Time-based PoE: Yes
IGMP Proxy: Yes
1000Base-T PoE Interface: 24
10G SFP+ Interface: 4
Alarm Port: 1
Auto MDI/MDIX: Yes
Combo 1000Base-T PoE/SFP: 4
Console Port: Yes
RJ-45 Management Port: Yes
Secure Digital (SD) Card Slot: Yes
10/100/1000BASE-T PoE ports: 20
10/100/1000BASE-T PoE/SFP Combo ports: 4
SFP+ ports: 4
CPU Speed: 600 MHz
DRAM Size: 256 MB
Flash Memory Size: 128 MB
Packet Buffer Size: 2 MB
FAN: Yes
Jumbo Frame: 13,312 bytes
Dimension: 441 × 380 × 44 mm
Weight: 5.75 kg
Operation Temperature: 0 ~ 50 °C
Storage Temperature: – 40 ~ 70 °C
Operation Humidity: 10% ~ 90% RH
Storage Humidity: 5% ~ 90% RH
Maximum Power Consumption: 502.2 W
Maximum Heat Dissipation: 1,712.5 BTU/hr
Acoustic: 52.7 dB(A)
MTBF: 237,115 hours