DAHUA S4228-24GT-240 28-Port Managed Desktop Gigabit Switch with 24-Port PoE

Hardware

Included Power Adapter

Yes

PoE

Yes

Ethernet Port

26

Optical Port

2

Ethernet Port Speed

10/100/1000 Mbps

Optical Port Speed

1000 Mbps

Description of Function Slots

Port 1-24: 24 × RJ45 10/100/1000 Mbps(PoE)

Port 25-26: 2 × RJ45 10/100/1000 Mbps

Port 27-28: 2 × SFP 1000 Mbps

Debugging

Console × 1

Reset Button

1

Power Supply

100-240 VAC, 50/60 Hz, 3.5 A

Operating Temperature

–10°C to 55°C (+14°F to +131°F)

Operating Humidity

5%–95% (RH)

Power Consumption

Idling load: ≤ 20 W;
Full load: 240 W

Performance

Management Type

Yes

MTBF

467125.73 hours

Switching Capacity

56 Gbps

Packet Forwarding Rate

41.664 Mpps

Packet Buffer Size

4.1 Mbit

Jumbo Frame

10K Byte

MAC Table Size

8K

VLAN Number

4K

VLAN Interface

10

Dynamic ARP

512

Communication Standard

IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ad

Feature

PoE Protocol

IEEE802.3af (PoE); IEEE802.3at (PoE+); Hi-PoE; IEEE802.3bt (PoE++)

PoE Power

Port 1-2: ≤ 90 W

Port 3-24: ≤ 30 W

Total: ≤ 240 W

PoE Power Consumption Management

Yes

PoE Pin Assignment

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

Long Distance PoE Transmission

Yes

Spanning Tree Protocol

STP; RSTP

VLAN Function

Yes

Link Aggregation

Static link aggregation; LACP

IEEE 802.3x Flow Control

IEEE 802.3X-based flow control (full-duplex)

Multicast

IGMP Snooping

DHCP Function

DHCP client
DHCP-Server
DHCP-Snooping

Security

IEEE 802.1x
ACL

Equipment Management

WEB(http and https)
Telnet
SNMP V1/V2C/V3

General

Statics Protection

Air discharge: 8 kV;
Contact discharge: 6 kV

Lighting Protection

Common mode: 4 kV;
Differential mode: 2 kV

Net Weight

3.405 kg (7.51 lb)

Gross Weight

4.51 kg (9.94 lb)

Product Dimensions

440 mm × 300 mm × 44 mm (17.32" × 11.81" × 1.73")

Packaging Dimensions

525 mm × 410 mm × 110 mm (20.67" × 16.14" × 4.33")

Certifications

CE, FCC

Transmission Performance:

Switch power supply voltage 53V.

CAT5E/CAT6. Max. DC resistance < 10Ω/100m

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

53

100

150

50

10

200

47

10

250

37

10

IEEE802.3at 30W

100

25.5

100

150

25.5

10

200

25.5

10

250

25.5

10

Note: Data from this table was collected by Dahua test lab and is for reference only . If there is inconsistency between field application and the table, the field result shall prevail.