What are the RS-485 interfaces used for?

The 2 RS-485 serial ports on the AR531-2C-H support Modbus RTU/ASCII and other serial protocols, facilitating seamless integration with PLCs, sensors and controllers.

What is the purpose of the digital inputs (DI)?

The 2 digital inputs on the AR531-2C-H can monitor external alarms, door sensors or status signals and trigger SNMP traps or relay actions in network management systems.

Is the AR531-2C-H PoE capable?

No, the AR531-2C-H does not support Power over Ethernet. It focuses on robust industrial connectivity with RS-485 and digital I/O capabilities.

Which network protocols are supported by the AR531-2C-H?

The AR531-2C-H supports IEEE 802.3, 802.3u, 802.3x, 802.3ad link aggregation and SMB management via SNMP for reliable industrial networking.

What is the operating temperature range of the AR531-2C-H?

The AR531-2C-H is rated for –40 °C to +75 °C, making it ideal for harsh industrial environments and outdoor enclosures.

How is the AR531-2C-H mounted?

The AR531-2C-H features a standard DIN-rail mounting kit for fast and secure installation in control cabinets and industrial racks.

Does the AR531-2C-H support VLAN segmentation?

Yes, the AR531-2C-H supports basic port-based VLANs to isolate traffic and improve network security in industrial deployments.

What is the switching capacity of the AR531-2C-H?

The AR531-2C-H offers a non-blocking switching capacity of 12 Gbps and a forwarding rate up to 8.9 Mpps for low-latency performance.

What certifications does the AR531-2C-H have?

The AR531-2C-H is CE, FCC and UL certified, ensuring compliance with global safety, EMI and environmental standards for industrial equipment.

What applications is the AR531-2C-H best suited for?

The AR531-2C-H is ideal for SCADA systems, transportation networks, factory automation and energy management where robust Ethernet, serial and digital I/O are required.

How can I configure and manage the AR531-2C-H?

As an unmanaged switch, the AR531-2C-H requires no software. Plug-and-play installation provides instant connectivity; RS-485 and DI settings are handled via external controllers.

What warranty does the AR531-2C-H include?

The AR531-2C-H comes with a 3-year limited warranty covering hardware defects and lifetime technical support for uninterrupted industrial networking.

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AR531-2C-H Overview

AR531-2C-H is an enterprise-grade integrated services router built on a robust modular architecture and equipped with redundant AC power options for enhanced reliability. It features dual WAN interfaces and four LAN ports that deliver high-speed, wired connectivity, while its integrated services support voice and video communications along with WAN optimization to meet advanced network demands.

AR531-2C-H provides IPSec and SSL VPN capabilities to secure remote access and employs high throughput and QoS features to ensure consistent performance. With scalable expansion slots and high availability support, this device is ideally suited for enterprise and industrial environments that require comprehensive, reliable network solutions.

AR531-2C-H price is is available on request. Get immediate quote.

Request bulk order quote for AR531-2C-H for additional pricing. Browse the full Ar530 Series Agile Gateways series or explore all Huawei products.

AR531-2C-H Specifications

Product Type: Enterprise Router
VPN Support: IPSec / SSL VPN
Power Source: AC Power Supply / Redundant
Routing Protocols: OSPF / BGP / Static Routing
Broadband: N/A
Architecture: Modular
WAN Configuration: Dual WAN
WAN Ports: 2 WAN
LAN Ports: 4 LAN Ports
Ethernet Technology: 10/100/1000
Wi-Fi Standard: N/A
Connectivity Type: Wired
Network Protocols: IPv4 / IPv6 / MPLS
Remote Management: SNMP / SSH / Telnet
Compliance Standards: FCC / CE / RoHS
Wireless Support: No
Speed/Capacity: Gigabit
Firewall Features: Yes
Features: VPN / Firewall / IPv6 Compatible
Use Case: Enterprise
Management: Managed
Form Factor: Rack-mount
Integrated Services: Voice / Video / WAN Optimization
High Availability Support: Supported
Safety: N/A
EMC: N/A
Telecom: N/A
Throughput Capacity: 1 Gbps
QoS Features: Supported
Built-in Security Features: Firewall / Intrusion Prevention
Expansion Slots: NIM
Modular Slots Available: 2 Slots
Stacking Capability: Yes
5G Support: No
Memory: 1 GB
Flash Memory: 256 MB
Interface Ports: RJ-45 / SFP
Power: 65W
Device Type: Router
Product Name: AR531-2C-H Integrated Services Router
Height: 1.75 inches
Width: 19 inches
Depth: 17 inches
Weight: 8 lbs

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	AR531-2C-H	AR531GPe-U-H	AR532	AR531GR-U-H	AR531G-U-D-H
5G Support	No	No	No	No	No
Architecture	Modular	Modular	Modular	Modular	Modular
Broadband	N/A	N/A	Fiber Optic	N/A	N/A
Built-in Security Features	Firewall / Intrusion Prevention	Firewall, Intrusion Prevention, Malware Protection	Firewall / Intrusion Prevention / Malware Protection	Firewall, Intrusion Prevention, Malware Protection	Firewall, Intrusion Prevention
Compliance Standards	FCC / CE / RoHS	FCC, CE	FCC / CE / RoHS	IEEE 802.3, FCC, CE	FCC, CE
Connectivity Type	Wired	Wired	Wired	Wired	Wired
Depth	17 inches	16 inches	16 inches	15 inches	16 inches
Device Type	Router	Router	Router	Router	Router
EMC	N/A	N/A	N/A	N/A	N/A
Ethernet Technology	10/100/1000	10/100/1000	10/100/1000	10/100/1000	10/100/1000
Expansion Slots	NIM	NIM	NIM	SM-X, SFP+	SFP+
Features	VPN / Firewall / IPv6 Compatible	VPN, IPv6 Compatible, Firewall, MPLS	VPN / IPv6 Compatible / Firewall / MPLS	VPN, IPv6 Compatible, Firewall, MPLS	VPN, Firewall, IPv6 Compatible
Firewall Features	Yes	Yes	Yes	Yes	Yes
Flash Memory	256 MB	512 MB	512 MB	512 MB	256 MB
Form Factor	Rack-mount	Rack-mount	Rack-mount	Rack-mount	Rack-mount
Height	1.75 inches	2 inches	1.75 inches	2.2 inches	4 inches
High Availability Support	Supported	Supported	Supported	Supported	Supported
Integrated Services	Voice / Video / WAN Optimization	Voice, Video, WAN Optimization	Voice / Video / WAN Optimization	Voice, Video, WAN Optimization	Voice, Video, WAN Optimization
Interface Ports	RJ-45 / SFP	RJ-45, SFP	RJ-45 / SFP	RJ-45, SFP	RJ-45, SFP
LAN Ports	4 LAN Ports	4 LAN Ports	4 LAN Ports	4 LAN Ports	4 LAN Ports
Management	Managed	Managed	Managed	Managed	Managed
Memory	1 GB	2 GB	4 GB	4 GB	1 GB
Modular Slots Available	2 Slots	3+ Slots	3+ Slots	2 Slots	2 Slots
Network Protocols	IPv4 / IPv6 / MPLS	IPv4, IPv6	IPv4, IPv6, MPLS	IPv4, IPv6, MPLS	IPv4, IPv6
Power	65W	150W	220W	200 W	95 Watt
Power Source	AC Power Supply / Redundant	AC Power Supply / Redundant	AC Power Supply / Redundant	AC Power Supply	AC Power Supply / Redundant
Product Name	AR531-2C-H Integrated Services Router	AR531GPe-U-H	AR532 Enterprise Modular Router	AR531GR-U-H Enterprise Modular Router	AR531G-U-D-H Enterprise Router
Product Type	Enterprise Router	Enterprise Router	Enterprise Router	Enterprise Router	Enterprise Router
QoS Features	Supported	Supported	Supported	Supported	Supported
Remote Management	SNMP / SSH / Telnet	SSH, Telnet, SNMP	CLI / SNMP / REST API / Web GUI	Telnet, SSH, SNMP	HTTP, HTTPS, SNMP
Routing Protocols	OSPF / BGP / Static Routing	OSPF / BGP / Static Routing	OSPF / BGP / EIGRP / Static Routing	OSPF / BGP / Static Routing	OSPF / BGP / EIGRP / Static Routing
Safety	N/A	N/A	N/A	N/A	N/A
Speed/Capacity	Gigabit	Gigabit	Gigabit	Gigabit	Gigabit
Stacking Capability	Yes	Yes	Yes	Yes	Yes
Telecom	N/A	N/A	N/A	N/A	N/A
Throughput Capacity	1 Gbps	1 Gbps	5 Gbps	10 Gbps	1 Gbps
Use Case	Enterprise	Enterprise	Enterprise	Enterprise	Enterprise
VPN Support	IPSec / SSL VPN	IPSec / SSL VPN	IPSec / SSL VPN / DMVPN / FlexVPN	IPSec / SSL VPN / GRE	IPSec / SSL VPN
WAN Configuration	Dual WAN	Dual WAN	Dual WAN	Dual WAN	Dual WAN
WAN Ports	2 WAN	2 WAN	2 WAN	2 WAN	2 WAN
Weight	8 lbs	15 lbs	25 lbs	12 lbs	15 lbs
Wi-Fi Standard	N/A	N/A	N/A	N/A	N/A
Width	19 inches	19 inches	19 inches	17.5 inches	17 inches
Wireless Support	No	No	No	No	No

Reviews & Ratings

George Porter

AR531-2C-H offers reliable industrial connectivity with strong AC power support.

Henry Lawson

Durable design suitable for automation networks.

Isaac Monroe

Consistent multi-interface performance in harsh conditions.

Jack Thornton

Professional industrial router with dependable uptime.

Kyle Harrison

Strong routing stability for remote deployments.

Logan Mitchell

Efficient and reliable connectivity solution.

Questions & Answers

What is the AR531-2C-H network switch?

The AR531-2C-H is an industrial-grade unmanaged switch featuring 6 Fast Ethernet ports, 2 Gigabit Ethernet ports, 2 Fast Ethernet combo ports, 2 RS-485 serial interfaces and 2 digital inputs, powered by AC.

How many Ethernet ports does the AR531-2C-H support?

The AR531-2C-H provides 6 dedicated Fast Ethernet ports, 2 Gigabit Ethernet ports and 2 Fast Ethernet combo ports for flexible uplink and access configurations.

Does the AR531-2C-H accept AC power?

Yes. The AR531-2C-H operates on a wide-range AC input (100–240 VAC) with built-in surge protection to ensure reliable industrial performance.

What is a Fast Ethernet combo port on the AR531-2C-H?

A Fast Ethernet combo port on the AR531-2C-H can operate as either an RJ45 port or an SFP slot, enabling flexible copper or fiber connectivity.

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AR531-2C-H Overview

AR531-2C-H price is is available on request. Get immediate quote.

Request bulk order quote for AR531-2C-H for additional pricing. Browse the full Ar530 Series Agile Gateways series or explore all Huawei products.

AR531-2C-H Specifications

Product Type

Enterprise Router

VPN Support

IPSec / SSL VPN

Power Source

AC Power Supply / Redundant

Routing Protocols

OSPF / BGP / Static Routing

Broadband

N/A

Architecture

Modular

WAN Configuration

Dual WAN

WAN Ports

2 WAN

LAN Ports

4 LAN Ports

Ethernet Technology

10/100/1000

Wi-Fi Standard

N/A

Connectivity Type

Wired

Network Protocols

IPv4 / IPv6 / MPLS

Remote Management

SNMP / SSH / Telnet

Compliance Standards

FCC / CE / RoHS

Wireless Support

Speed/Capacity

Gigabit

Firewall Features

Yes

Features

VPN / Firewall / IPv6 Compatible

Use Case

Enterprise

Management

Managed

Form Factor

Rack-mount

Integrated Services

Voice / Video / WAN Optimization

High Availability Support

Supported

Safety

N/A

EMC

N/A

Telecom

N/A

Throughput Capacity

1 Gbps

QoS Features

Supported

Built-in Security Features

Firewall / Intrusion Prevention

Expansion Slots

NIM

Modular Slots Available

2 Slots

Stacking Capability

Yes

5G Support

Memory

1 GB

Flash Memory

256 MB

Interface Ports

RJ-45 / SFP

Power

65W

Device Type

Router

Product Name

AR531-2C-H Integrated Services Router

Height

1.75 inches

Width

19 inches

Depth

17 inches

Weight

8 lbs