United States
Q
What is a Dahua PoE switch?
A
A Dahua PoE switch is a network switch that supplies Power over Ethernet (PoE) to IP devices, enabling simultaneous data and power transmission over a single Ethernet cable.
Q
Which PoE standards do Dahua PoE switches support?
A
Dahua PoE switches support IEEE 802.3af (PoE), IEEE 802.3at (PoE+) and select models support IEEE 802.3bt (PoE++), ensuring compatibility with a wide range of IP cameras and devices.
Q
How many PoE ports are available on Dahua PoE switches?
A
Dahua PoE switches are available in configurations from 4 to 48 PoE ports, allowing flexible deployment for small to enterprise-scale network installations.
Q
What is the total PoE power budget of Dahua PoE switches?
A
Dahua PoE switches offer power budgets ranging from 60W on entry-level models up to 380W or higher on high-capacity units, supporting multiple high-power cameras simultaneously.
Q
Can Dahua PoE switches power Pan-Tilt-Zoom (PTZ) cameras?
A
Yes, Dahua PoE+ and PoE++ switches deliver up to 30W–60W per port, fully powering PTZ cameras, LED illuminators and other high-consumption devices.
Q
What is the maximum cable length for PoE on Dahua PoE switches?
A
The maximum standard PoE cable run is 100 meters (328 feet) per segment, ensuring reliable power and data transmission to remote IP devices.
Q
Do Dahua PoE switches support VLAN and QoS?
A
Yes, managed Dahua PoE switches support IEEE 802.1Q VLAN tagging and advanced QoS features for traffic prioritization and network segmentation.
Q
How do I install a Dahua PoE switch?
A
Mount the Dahua PoE switch on a rack, connect uplink ports to your router or core switch, and plug IP devices into PoE ports—no additional power injectors are required.
Q
Are Dahua PoE switches fan-less for silent operation?
A
Many Dahua PoE switch models feature a fan-less design for silent, maintenance-free operation, ideal for noise-sensitive environments.
Q
Can I manage Dahua PoE switches remotely?
A
Yes, managed Dahua PoE switches provide web GUI, SNMP, Telnet and SSH interfaces for secure remote configuration and monitoring.
Q
What operating temperature range do Dahua PoE switches support?
A
Dahua PoE switches typically operate reliably between –10°C to 55°C (14°F to 131°F), with industrial models rated up to –40°C to 75°C.
Q
Do Dahua PoE switches support redundant power supplies?
A
Select Dahua PoE switch models offer dual-power supply modules and overload protection for uninterrupted operation in critical installations.
Q
How do I upgrade firmware on a Dahua PoE switch?
A
Download the latest firmware from Dahua’s official website and upload it via the switch’s web GUI Firmware Upgrade page, following the on-screen instructions.
Q
Are Dahua PoE switches compatible with third-party devices?
A
Yes, Dahua PoE switches comply with IEEE PoE standards, ensuring interoperability with PoE-enabled cameras, access points and VoIP phones from other vendors.
Q
What security features do Dahua PoE switches offer?
A
Dahua PoE switches include access control lists (ACLs), 802.1X port authentication, DHCP snooping and ARP inspection to protect against unauthorized access and network attacks.
Q
How do I monitor PoE power consumption on a Dahua PoE switch?
A
Use the switch’s web GUI or SNMP MIBs to view real-time PoE power usage per port and overall power budget status for efficient power management.
