![DAHUA-4257|16-port Gigabit Industrial PoE switch](https://bydemes.com/ByDemesFiles/images/450px/DAHUA-4257.jpg)
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DAHUA-4257
16-port Gigabit Industrial PoE switch
DAHUA-4257
DH-HS3220-16GT-190
- MAIN FEATURES
- SPECIFICATIONS
- DOCUMENTATION
- COMMENTS
![PoE](https://bydemes.com/ByDemesFiles/filters/332/PoE.jpg)
- Industrial Switch Dahua
- 8 ports PoE RJ45 Gigabit RJ45
- 2 Gigabit RJ45 Uplink ports
- 2 Gigabit SFP ports
- 4K MAC address capacity
- Ports 1 and 2 support 90W
- Total PoE delivery of 190W
- PoE watchdog
- Extended temperature
- 53V DC
- 16 PoE 10/100/1000 Mbps PoE ports
- 2 Uplink RJ45 10/100/1000 Mbps ports
- 2 Uplink SFP fiber optic 1000 Mbps ports
- PoE consumption: ≤90W ports 1 to 2 (marked in red), ≤30W ports 3 to 16, ≤190W in total
- PoE standards:
- IEEE802.3af (PoE).
- IEEE802.3at (PoE+)
- IEEE802.3bt (Hi-PoE).
- Network standards:
- IEEE802.3
- IEEE802.3u
- IEEE802.3x
- IEEE802.3ab
- 40Gbps switching capacity
- Packet transfer rate of 29.76Mpps
- Packet buffer memory: 1 Mbit
- MAC addresses: 4K
- External power supply: 48V ~ 57V DC (power supply included)
- Power consumption: 7.06W (idle), 199W (full load)
- Extended operating temperature: -30°C ~ +65°C (-30°C ~ +65°C)
- Relative humidity 5% ~ 95% (non-condensing)
- Lightning-proof 4KV
- Dimensions: 64.8 (W) x 171 (H) x 121.8 mm
- Power adapter included
REFERENCE / MODEL | DAHUA-4257 / DH-HS3220-16GT-190 |
---|---|
Special Protection | Indoor (Temp Ext) |
Technology | FIBER || IP || POE |
PoE | 16 PoE+ |
CCTV Mode | Yes |
Fiber Ports | 2 (Gigabit) |
RJ45 Ports | 16 (Gigabit) |
Installation environment | Indoor |
Material | Metal |
Managed | No |
Ring | No |
PoE budget | 151-200W |
Installation | DIN |
Fan | No |
Uplink Ports | 2 RJ45 Gb || 2 SFP Gb |
Switch Type | Access || Hardened |