Description
| Network Protocols and Features | IEEE 802.3 IEEE 802.3u IEEE 802.3ab/ad/az/af/at IIEEE 802.3x IEEE 802.1q IEEE 802.1p,QoS IGMP Snooping  | 
| Item | 28 Port Gigabit Managed POE Switch | 
| Interface | 24*10/100/1000M POE ports + 4 Gigabit SFP/TP Combo ports, 1 Console port  | 
| Dimension(W*H*D) | Product size (L×W×H): 445mm× 285mm× 45mm Package size (L × W × H): 470mm × 350mm × 120mm Product weight: 3.9kg Package weight: 4.5 kg  | 
| Network Medium | 10BASE-T: Cat3, 4, 5 UTP (≤ 100 m) 100BASE-TX: UTP (≤100 m) above Cat5 1000BASE-TX: UTP (≤100 m) above Cat5  | 
| Optical | Multimode fiber: 1310nm, 2Km Single mode fiber: 1310nm, 20/40 Km 1550nm, 60/80/100/120Km  | 
| Power Supply | Input voltage: AC110-264V; Output DC52V7.69A Total power: 400W | 
| Technical Specification | Bandwidth: 56Gbps (non-blocking) Packet Forwarding rate: 41.6Mpps Processor: RTL8382M Flash Capacity: 16M Memory Capacity: 1024M(1G) MAC: 8K  | 
| Working Environment | Operating Temperature:-20° ~ 55 ° C; Storage Temperature: -40 ° ~ 85 ° C; Operating Humidity: 10% ~ 95%, non-condensing Working height: up to 10,000 feet (3,000 meters) Storage height: up to 10,000 feet (3,000 meters)  | 
| Ports | Enable/Disable Port Speed、Duplex、MTU Setting Flow-control Port Information Check  | 
| PoE | PoE Standard: IEEE802.3at (30W) and IEEE802.3af (15.4w) PoE compatibility: IEEE 802.3af/at adaptive POE port output: DC48-55V Power Pin Assignment: Power over spare pairs 1/2(+) and 3/6 (-)  | 
| MTBF | 100,000 hours | 
| LED | SYS, PWR, Link (lines 2, 4) / Act (lines 1, 3) | 
| Package content | 1. Switch: 1 set 2. Instruction manual: 1 3. Certificate of conformity: 1 4. Warranty card: 1 5. AC power cord 1 6. A pair of hanging ears  | 
| Certification & Approvals | CE, FCC, RoHS | 





