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大華 DAHUA S3228-24GT-240 28-Port Unmanaged Desktop Gigabit Switch with 24-Port PoE (香港行貨，一年保用)
大華 DAHUA S3228-24GT-240 28-Port Unmanaged Desktop Gigabit Switch with 24-Port PoE (香港行貨，一年保用)

大華 DAHUA S3228-24GT-240 28-Port Unmanaged Desktop Gigabit Switch with 24-Port PoE (香港行貨，一年保用)

數量

簡介

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> 24 × RJ-45 10/100/1000 Mbps (PoE) ports, 2 × RJ-45 10/100/1000 Mbps (uplink) ports and 2 × SFP 1000 Mbps (uplink) ports. > Meets the requirements of IEEE802.3af, IEEE802.3at, Hi-PoE, and IEEE802.3bt power supply standards. > PoE watchdog real-time monitors camera statues and automatically reboots faulty network cameras. > Up to 250 m transmission distance. > Supports VIP ports, prioritizing transmission for port1 to port8.
浙江大華 大華香港 Dahua CCTV 閉路電視

商品詳情

Technical Specifications

Hardware Feature
Included Power AdapterYes
PoEYes
Ethernet Port24
Ethernet Port Speed10/100/1000 Mbps
Optical Port Speed1 Gbps
Ethernet Port Uplink Speed10/100/1000 Mbps
Optical Port Uplink Speed1 Gbps
Description of Function SlotsPort 1-24: 24 × RJ-45 10/100/1000 Mbps (PoE);
Port 25-26: 2 × RJ-45 10/100/1000 Mbps (Uplink);
Port 27-28: 2 × SFP 1000 Mbps (Uplink)
Power SupplyBuilt-in power supply: 100-240 VAC, 50/60 Hz, 4 A
Operating Temperature–10 °C to +55 °C (+14 °F to +131 °F)
Operating Humidity5%–95% (RH), non-condensing
Storage Temperature–40 °C to +75 °C (–40 °F to +167 °F)
Storage Humidity5%–95% (RH), non-condensing
Power ConsumptionIdling: ≤12.5 W ; Full load: 265 W
Performance
Management TypeNo
Switching Capacity56 Gbps
Packet Forwarding Rate41.66 Mpps
Packet Buffer Size4 Mbit
Jumbo Frame15K Byte
MAC Table Size8 K
Communication StandardIEEE802.3; IEEE802.3u; IEEE802.3x; IEEE802.3ab; IEEE802.3z
Feature
PoE ProtocolIEEE802.3af; IEEE802.3at; Hi-PoE; IEEE802.3bt
PoE PowerPort 1-2 ≤ 90 W, Port 3-24 ≤ 30 W, total ≤ 240 W
PoE Pin Assignment1,2,4,5 (V+),3,6,7,8 (V-)
Long Distance PoE TransmissionYes
General
Statics ProtectionAir discharge: 8 kV; Contact discharge: 6 kV
Lighting ProtectionCommon mode: 4 kV; Differential mode: 2 kV
Net Weight2.50 kg (5.51 lb)
Gross Weight3.15 kg (6.94 lb)
Product Dimensions440 mm × 220 mm × 44 mm (17.32" × 8.66" × 1.73") (L × W × H)
Packaging Dimensions540 mm × 342 mm × 90 mm (21.26" × 13.46" × 3.54") (L × W × H)
Casing MaterialSheet metal
InstallationRack mount;Desktop mount
CertificationsCE
Ordering Information
TypeModelDescription
SFP ModuleSFP-1310T-20-SMF155M 1310/1550 nm, 20 km, LC, Single-mode [optional]
SFP-1310R-20-SMF155M 1550/1310 nm, 20 km, LC, Single-mode [optional]
GSFP-1310-20-SMF1.25G 1310nm, 20km, LC, Single-mode[optional]
GSFP-1310R-20-SMF1.25G 1550/1310 nm, 20 km, LC, Single-mode[optional]
GSFP-1310T-20-SMF1.25G 1310/1550 nm, 20 km, LC, Single-mode [optional]
SFP-850-MMF155M 850 nm, 2km, LC, Multi-mode [optional]
GSFP-850-MMF1.25G 850 nm, 500 m, LC, Multi-mode [optional]
   
Transmission Performance:

Switch power supply voltage 53V.

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

Cable(m)Load Capacity(W)Bandwidth(Mbps)
IEEE802.3bt 90 W
10071.31000
1506210
2005110
2504010
Hi-PoE 60 W
100531000
1505010
2004710
2503710
IEEE802.3at 30 W 
10025.51000
15025.510
20025.510
25025.510
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.

https://transmission.dahuasecurity.com/en/product-list/Business/Switches/PoESwitchForSecurity/S3228-24GT-240

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