dahua
DAHUA-4251-V2 | Dahua Gigabit Gigabit Managed Cloud Switch with 24 PoE Ports
DAHUA-4251-V2DH-CS4228-24GT-240-V2Dahua Gigabit Gigabit Managed Cloud Switch with 24 PoE Ports
DAHUA-4251-V2
DAHUA-4251-V2_B
DAHUA-4251-V2_C

Dahua Gigabit Gigabit Managed Cloud Switch with 24 PoE Ports

DAHUA-4251-V2

DH-CS4228-24GT-240-V2

Main features

  • Dahua Managed Cloud Switch
  • 24 Gigabit PoE ports and 4 Gigabit uplink (2 RJ45 + 2 SFP)
  • DoLynk Care cloud management
  • Total PoE delivery of 240 W with BT 90 W ports
  • Intelligent PoE and long distance PoE up to 250 m
  • STP/RSTP and loop protection
  • Metal housing with ESD and surge protection
  • Desktop or rackmount installation

Specifications

Technical features

  • Dahua Managed Cloud Switch
  • 24 RJ-45 10/100/1000 Mbps PoE ports
  • 2 x RJ-45 10/100/1000 Mbps uplink ports
  • 2 SFP 1000 Mbps uplink ports
  • IEEE802.3, IEEE802.3u, IEEE802.3x, IEEE802.3ab and IEEE802.3z compliant
  • 56 Gbps switching capacity
  • 41.66 Mpps forwarding rate
  • 15K Byte Jumbo Frame Size
  • 8K MAC table
  • 32 VLANS

Features

  • Cloud management via DoLynk Care (web and app)
  • Topology visualization via LLDP
  • PoE Watchdog with automatic port reboot
  • Long distance PoE up to 250 m
  • STP/RSTP spanning tree protocol
  • Loop protection with automatic alarm and removal
  • IEEE 802.3x flow control
  • DHCP client

Power

  • Internal power supply 100-240 VAC, 47-63 Hz, max 4 A
  • Standby power consumption ≤ 12.5 W
  • Maximum power consumption 265 W
  • Total PoE power ≤ 240 W
  • PoE ports 1-2 up to 90 W; ports 3-24 up to 30 W

Environmental

  • Operating temperature -10 °C to +55 °C (-10 °C to +55 °C)
  • Operating humidity 5%-95% (non-condensing)
  • Storage temperature -40 °C to +70 °C (-40 °F to +70 °C)
  • Storage humidity 5%-95% (non-condensing)
  • ESD protection by air discharge 8 kV and by contact 6 kV
  • Lightning protection in common mode 4 kV and differential mode 2 kV

Physical characteristics

  • Metal housing
  • Desktop or rackmount installation
  • Dimensions 440 × 220 × 44 mm
  • Net weight: 2.50 kg
  • Gross weight: 3.15 kg

Contents

  • 28-Port Gigabit Managed Cloud Switch with 24 PoE ports DAHUA-4251-V2 (DH-CS4228-24GT-240-V2)
REFERENCE / MODEL DAHUA-4251-V2 / DH-CS4228-24GT-240-V2
Range 250m
Technology Cloud || IP || POE || Watchdog
PoE 24 PoE || 90W PoE || Hi-PoE || PoE || PoE+ || PoE++
CCTV Mode Yes
Fiber Ports 2 (Gigabit)
RJ45 Ports 26 (Gigabit)
Installation environment Indoor
Material Metal
Managed Browser || Cloud || DOLINK Cloud || L2
Ring RSTP || STP
PoE budget 201-250W
Installation Desktop || Rackable
Fan No
Uplink Ports 2 RJ45 Gb || 2 SFP Gb
Switch Type Access
Power Input Power Supply Included

Documentation

Language Name Type Action
EN
Self-generated File
Image
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