Dahua DH-CS4226-24ET-375 - 24-портовый PoE облачный коммутатор; 24xRJ45 100M (PoE/PoE+/Hi-PoE/802.3bt), 2xCombo SFP/RJ45 1G (uplink); суммарно до 375Вт; PoE watchdog, до 250м; питание: 100–240VAC

Basic

Layer

Layer 2

Switching Capacity

8.8 Gbps

Packet Forwarding Rate

6.55 Mpps

Description of Function Slots

Port 1-24: 24 × RJ45 10/100 Mbps (PoE)
Port 25-26: 2 × RJ45 10/100/1000 Mbps (Combo)
Port 25-26: 2 × SFP 1000 Mbps (Combo)

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F)

Operating Humidity

10%–90% (RH), non-condensing

Storage Temperature

–40 °C to +70 °C (–40 °F to +158 °F)

Storage Humidity

5%–95% (RH), non-condensing

Power Supply

Built-in power supply: 100–240 VAC, 47–63 Hz, max 7 A

Power Consumption

Idling: 3 W
Full load: 382.5 W

Statics Protection

Air discharge: 8 kV
Contact discharge: 6 kV

Lightning Protection

Common mode: 6 kV
Differential mode: 1 kV

Net Weight

2.7 kg (5.95 lb)

Gross Weight

3.5 kg (7.72 lb)

Product Dimensions

440 mm × 228.81 mm × 43.65 mm ( × 9.01" × 1.72") (L × W × H)

Packaging Dimensions

540 mm × 342 mm × 90 mm (21.26" × 13.46" × 3.54") (L × W × H)

Casing Material

Sheet metal

Installation

Desktop mount; rack mount

Certifications

CE

PoE

PoE

Yes

PoE Power

Port 5-24≤30 W, port 1-4≤90 W, total≤375 W

PoE Protocol

IEEE 802.3af; IEEE 802.3at; Hi-PoE; IEEE 802.3bt

PoE Power Consumption Management

PoE power consumption management
PoE power on/off
turns off PoE if overload is detected

PoE Pin Assignment

Port 1-4: 1, 2, 4, 5 (V+) , 3, 6, 7, 8 (V-)
Port 5-24: 1, 2, (V+), 3, 6, (V-)

Long Distance PoE Transmission

Yes

Hardware

DIP Switch

Managed Mode: On by default for both local web and cloud management. Off for Unmanaged Mode.
PoE Watchdog: Monitors ports 1-24 and auto-restarts the PoE port when there is no traffic for 2 min. (Only works when Managed Mode is Off)
Extend Mode: Ports 1-24; transmission distance up to 250 meters at 10 Mbps. (Only works when Managed Mode is Off)

Reset Button

1

Performance

MTBF

1298465 h

Packet Buffer Size

4 Mbit

Jumbo Frame

9216 Byte

MAC Table Size

8K

Communication Standard

IEEE 802.3, IEEE 802.3u, IEEE 802.3X, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3az

VLAN Number

32

Feature

VLAN Function

IEEE 802.1Q VLAN

Port Feature

IEEE 802.3x Flow Control
Unknown Unicast Suppression
Multicast Storm Control
Broadcast Storm Control
MAC+Port Binding
Loop Prevention

Mirror

Local Port Mirroring
N:1 Mirroring

Reliability

LLDP

DHCP Function

DHCP Client

Security

Port Isolation

Equipment Management

Web Management
Cloud Management
Logs
Fault Alarm

General

Packing List

1 × User Manual
1 × Legal and Regulatory Information
1 × Power Cord
1 × Rack-mounting Kit

Ordering Information

Type

Model

Description

SFP module

GSFP-1310T-20-SMF

1.25G 1310/1550nm,20km,LC, Single-mode

GSFP-1310R-20-SMF

1.25G 1550/1310nm,20km,LC, Single-mode

GSFP-1310-20-SMF

1.25G 1310nm,20km,LC, Single-mode

GSFP-850-MMF

1.25G 850nm,550m,LC, Multi-mode

Transmission Performance:

Switch power supply voltage 54V.
CAT6. Max. DC resistance < 8 Ω/100 m

Cable(m)

Load Capacity(W)

Bandwidth(Mbps)

IEEE802.3bt 90W

100

71.3

100

150

62

10

200

51

10

250

40

10

Hi-PoE 60W

100

46

100

150

42

10

200

37

10

250

32

10

IEEE802.3at 30W

100

25.5

100

150

25.5

10

200

25.5

10

250

24

10

Note: Data from this table was collected by Dahua test lab and is for reference only .
The actual transmission distance may vary due to power consumption of connected devices or the cable type and status.