Gigabit Uplink 16+2+1 Port POE Switch (GB 250W) Technical Specifications
1. Core parameters
- Model: Gigabit uplink 16+2+1-port POE switch (16 electrical ports + 2 electrical ports + 1 optical port)
- Certification standards: in line with China’s national standards (GB/T-250W), the entire POE power 250W (warranty 2 years)
- Uplink interface: 2 Gigabit electrical ports + 1 Gigabit SFP optical port (supports hot-swap)
- Management type: unmanaged (plug and play)
2. Port Configuration
- POE electrical port: 16 10/100/1000Mbps adaptive RJ45 ports
- Single-port POE power ≤ 30W (IEEE 802.3at standard)
- Total POE power of the whole machine 250W (can simultaneously power eight 30W devices at full load)
- Uplink port:
- 2 Gigabit electrical ports (for stacking or uplink connection)
- 1 Gigabit SFP optical port (supports single-mode/multi-mode modules, transmission distance optional 20km/550m)
3. Performance indicators
- Backplane bandwidth: 14.4Gbps (non-blocking switching architecture)
- Switching capacity: 28.8Gbps (full wire-speed forwarding)
- Packet Forwarding Rate: 10.7Mpps
- Transmission Distance:
- Electrical port ≤ 250 meters (Cat5e and above cable)
- Optical port supports single-mode 20km/multi-mode 550m (optional corresponding module required)
- VLAN support: no port VLAN support (basic Layer 2 switching)
4. Power supply and energy efficiency
- Input power: AC 100-240V (built-in power supply)
- Overall power consumption: ≤250W at full load POE, standby power consumption <10W
- POE protocol: support IEEE 802.3af/at (automatic detection of PD devices)
5. Physical characteristics
- Size: 270×180×42mm (desktop/rack dual-use design)
- Weight: 2.3kg (with built-in power supply)
- Heat dissipation design: fanless passive cooling, working noise 0dB
- Protection grade: IP40 (dustproof design)
6. Environmental adaptability
- Operating Temperature: 0℃~45
- Storage temperature: -40℃~70
- Humidity range: 10%~90% RH (non-condensing dew)
7. Safety and Reliability
- POE Protection: Over-current/Short-circuit/overheat automatic power-off protection
- Surge Protection: 6KV Ethernet port lightning strike prevention
- Warranty service: 2 years limited warranty