Highly intuitive, the Smart Managed Switch can manage local networks. With the DoLynk Care platform, it can also perform cloud management. The switch performs operation and maintenance using topology visualization on front-end, transmission and back-end storage devices that are in the security system and IT system. With its full metal design, the switch has great heat dissipation and can operate in temperatures ranging -10°C to 55°C. It offers EMC and has protection against overvoltage, overcurrent, static electricity, lightning strikes, pulses and other types of interference. For the PoE series Smart
Managed Switch, power is supplied up to 250 meters away. The orange port supplies up to 60 W and the red port provides up to 90 W. Also, link aggregation and STP are available on select models to ensure
the network remains stable. The switch can be used in small and medium-sized businesses such as supermarkets, offices, restaurants, cafés and hotels.

Cloud Management
Devices can be managed through the DoLynk Care app and performs real-time monitoring of the network. The app also displays the status of devices, triggers alarms for errors in real time and sends
notifications.

Network Topology Management
Supports the LLDP protocol and is able to generate and display the network topology, so that you can quickly identify issues, and perform operation and maintenance remotely on devices that are in the
topology.

BT 90W (Red Port)
The red ports support IEEE802.3af, IEEE802.3at, IEEE802.3bt and HiPoE standards, with a maximum output power consumption of 90W per port. Suitable for powering high-power devices.

Long Distance PoE
The transmission distance of a PoE port can be up to 250 m, meeting the requirement of wired transmission (bandwidth reduced to 10 Mbps).

PoE Watchdog
Adopts the innovative PoE Watchdog. PoE Watchdog can be switched on by dialing/turning on the WEB page switch. It enables the switch to automatically detect port status and restart the failed ports to recover connection in case of IPC connection exception. This enables intelligent operation and maintenance management in its true sense and effectively reduces manual maintenance costs.

Loop Protection
When a loop is detected, the loop alarm will be triggered and the elimination mechanism will activate to prevent broadcast storms from occurring.

Dahua Technology DH-CS4226-24ET-375. Switch type: Managed, Switch layer: L2. Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000), Basic switching RJ-45 Ethernet ports quantity: 26. MAC address table: 8000 entries, Switching capacity: 8.8 Gbit/s. Networking standards: IEEE 802.3, IEEE 802.3ad, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z. Power over Ethernet (PoE). Rack mounting

Switch type	Managed
Switch layer	L2
Web-based management	Yes
Basic switching RJ-45 Ethernet ports quantity	26
Basic switching RJ-45 Ethernet ports type	Gigabit Ethernet (10/100/1000)
Installed SFP modules quantity	0
Installed SFP+ modules quantity	0
Gigabit Ethernet (copper) ports quantity	24
SFP module slots quantity	2
Networking standards	IEEE 802.3, IEEE 802.3ad, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z
10G support	No
VLAN support	Yes
Number of VLANs	32
MAC address table	8000 entries
Switching capacity	8.8 Gbit/s
Forwarding rate	6.55 Mpps
Jumbo frames support	Yes
Jumbo frames	15000
Packet buffer memory	4 MB
DHCP features	DHCP client
Rack mounting	Yes
Product color	Black
Housing material	Metal
Mean time between failures (MTBF)	562.765 h
Power source	AC
Power supply included	Yes
Power consumption (max)	400 W
Power over Ethernet (PoE)	Yes
Power over Ethernet (PoE) power per port	30 W
Total Power over Ethernet (PoE) budget	375 W
Operating temperature (T-T)	-10 - 55 °C
Storage temperature (T-T)	-40 - 70 °C
Operating relative humidity (H-H)	5 - 95%
Storage relative humidity (H-H)	5 - 95%
Width	8.66" (220 mm)
Depth	17.3" (440 mm)
Height	1.73" (44 mm)
Weight	5.78 lbs (2.62 kg)
Package width	13.5" (342 mm)
Package depth	21.3" (540 mm)
Package height	3.54" (90 mm)
Package weight	7.1 lbs (3.22 kg)