AR2220E

How Do I View the DNS Configuration of Devices?

Run the display current-configuration | include dns command.

What Is the Signaling Frequency of the FXS Interfaces on a 4FXS1FXO Interface Card?

The FXS interfaces on a 4FXS1FXO interface card support signaling frequencies of 16 Hz, 25 Hz, and 50 Hz. The default signaling frequency is 25 Hz.

Do ADSL/VDSL/G.SHDSL Interfaces on AR Routers Function as CPE or Central Office?

ADSL/VDSL/G.SHDSL interfaces of AR routers function as customer premises equipment (CPE).

What Standards Does the Wi-Fi Function of the WLAN Subcard Comply With?

The Wi-Fi function of the WLAN subcard complies with the following standards: ETS 300-328 (Europe), and FCC 15.247 (US), and No. 353 of China's Radio Management Committee.

What WLAN Standards Do the Wi-Fi Interfaces on the WLAN Subcard Support?

Wi-Fi interfaces on the WLAN subcard comply with IEEE 802.11n, 802.11g, and 802.11b, and provide a maximum transmission rate of 300 Mbit/s.

What Are the Differences Between the Two Micro SD Cards on the AR2200 and AR3200?

Each AR2200 or AR3200 supports two micro SD cards, a built-in micro SD card sd1 and an external micro SD card sd0. The two micro SD cards are the same except that logs are saved on sd1 default.

What Does Each Status of the WAN Indicator Mean?

If the WAN indicator is steady green, the system is processing services. If the indicator is off, the system is not processing any services.

Are Cards of AR Routers Hot Swappable?

All cards of AR routers are hot swappable.

How Do I Check Information About an Optical Module?

Run the display transceiver command to check information about an optical module, including the center wavelength, transmission distance, optical fiber type supported, and mode (single mode or multimode).

Why Do Network Interface Indicators on an AR Router Not Light Up?

During the startup process of a router, its network interface indicators will not light up, which is a normal situation. The startup process takes several minutes. After the router starts successfully, its network interface indicators will be steady green.

How cost-effective is the AR2220E router?

The AR2220E router offers high performance with 3 GE WAN ports, ideal for small to medium-sized enterprises, providing value for its price.

What are the primary features of the AR2220E?

The AR2220E features 3 GE WAN ports(1GE Combo), 2 USB ports, 4 SIC slots, 2 WSIC slots, and 1 DSP DIMM, with a 150W AC power supply.

What application scenarios are ideal for the AR2220E?

The AR2220E is ideal for SMBs requiring reliable internet connectivity and branch networking solutions.

How do I install the AR2220E router?

Installation involves connecting power, WAN and LAN cables, and configuring settings through the web interface or command line.

Does the AR2220E require upgrades?

The AR2220E may need software updates periodically. Check for firmware updates on Huawei's support page.

Are there any alternative products to the AR2220E?

Alternatives include Huawei's AR2240 and AR3260, offering different port configurations and capacities.

What common troubleshooting should I know for the AR2220E?

Common issues include connectivity drops. Check cable connections, ensure firmware is updated, and verify configurations.

What accessories are available for the AR2220E?

Accessories include additional SIC and WSIC modules to expand functionality, as well as rack mounting kits.

How does the AR2220E compare to similar products?

The AR2220E offers superior flexibility with multiple SIC and WSIC slots compared to similar-priced models from other brands.

What are the power specifications of the AR2220E?

The AR2220E comes with a 150W AC power supply, suitable for stable and efficient energy consumption.