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DAHUA-4257
DAHUA-4257
DAHUA-4257_B
DAHUA-4257_C

16-port Gigabit Industrial PoE switch

DAHUA-4257

DH-HS3220-16GT-190

  • MAIN FEATURES
  • SPECIFICATIONS
  • DOCUMENTATION
  • COMMENTS
  • 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

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