The AR2200 uses the embedded hardware encryption technique and supports the voice Digital Signal Processor (DSP). It supports firewall functions, call processing, voice mail, and various application programs. The AR2200 supports various wired and wireless access modes, such as E1/T1, xDSL, xPON, CPOS and 3G.

**Note: There're two kind of main control board for AR2240, SRU40 and SRU80(Serive and Router Unit). SRU40 can provide 2Mpps packet forwarding performance and SRU80 can provice 3.5Mpps packet forwarding performance and hardware-based TM(Traffic Management) function.

The AR2200 supports various interface cards, including Ethernet interface cards, E1/T1/PRI/VE1/VT1 interface cards, synchronous/asynchronous interface cards, ADSL2+/G.SHDSL interface cards, FXS/FXO voice cards, ISDN interface cards, CPOS interface cards and EPON/GPON interface cards. These cards can be classified into SIC (Smart Interface Card) cards, WSIC (Double-Width SIC) cards, and XSIC (Double-Height WSIC) cards depending on slot type.

The following are the appearances and description of main interface cards.
L2/L3 Ethernet interface card	WSIC/ XSIC card	Interfaces work in 10/100 Mbit/s or 10/100/1000 Mbit/s auto-sensing mode. Provides the Layer 2 and Layer 3 Ethernet switching function, and enables the AR2200 to communicate with other devices in a LAN network
Channelized E1/T1/PRI/VE1/VT1 multifunctional interface card	SIC card	Sends, receives, and processes E1/T1 data traffic. Provides channelized E1/T1 access, and groups and binds channels. Provides the VoIP function over the E1/T1 line. Provides the ISDN PRI function. Provides the local and remote loopback functions for test and troubleshooting.
FXS/FXO voice card	SIC card	Supports access and processing of AT0 loop trunk of analog phone, fax, and telephone exchange. Transmits voice signals over IP network.
Sync/Async Serial Port Interface Card	SIC card	A synchronous serial interface can function as a DCE or DTE. It supports multiple physical layer protocols, such as V.24, V.35, and X.21, but does not support X.21 DCE. The interface provides a maximum transmission rate of 2.048 Mbit/s. An asynchronous serial interface supports the RS232 protocol and provides a maximum transmission rate of 115.2 kbit/s. Provides in-service upgrade by using system management channels. The system powers on or off the 1SA/2SA and monitors the current of the 1SA/2SA; the backplane provides 12 V voltage for the 1SA/2SA.
GPON/EPON Dual-Mode Interface Card	SIC card	Supports OLT clock synchronization but not the 1588 function. Supports EPON/GPON but not GE. Supports the DyingGasp function. Supports rogue ONT detection and isolation. Detects the receiving optical power. Supports delayed reset.

1 3rd Generation AR with Industry-Leading Performance

• Multi-core CPU
• The multi-core CPU improves the speed of concurrent processing of data and voice services, which makes it possible to deploy a large number of services.
• Non-blocking switching for service traffic
• The bus channel bandwidth of single slot is up to 10 Gbit/s.
• Independent protocol management, service processing, and data switching, ensuring high performance and improving service reliability
• Integrated routing and switching functions
• This feature improves the data switching efficiency between interface cards and simplifies device configurations and maintenance.
• Hot swappable interface cards and redundant components such as fan modules and power modules ensuring service reliability and stability

2 Dual-Mode Network, Supporting Flexible Access

3 Services Integrated on One Router

The AR2200 integrates routing, switching, 3G, voice, and security functions.

Open Service Platform

The AR2200 interconnects with the third-party IT systems by using the Open Service Platform (OSP) to provide a unified communication solution for enterprise users. The customers, agents, third-party vendors, and manufacturers can develop and use the AR2200 as required.

• Fast service integration and customization, meeting customized requirements
• Service integration without deploying dedicated servers, saving investments and simplifying management
• Services synchronized with cloud-side services, local services processed locally, which improves service quality and efficiency.

Outstanding Voice Experience

The AR2200 provides various voice functions for enterprise data networks, enabling the enterprises to communicate flexibly and efficiently.

• Basic voice functions provided by the built-in PBX, SIP server, and SIP access gateway
• Value-added voice services, including multi-party communication, IVR automatic connection, ring-back-tone, parallel ringing, sequential ringing, one number link you (ONLY), bill management, and subscriber management
• Intelligent call routing, ensuring high reliability of voice services
• Interconnection with the NGN/IMS/PBX/terminal of mainstream vendors
• QoE, detecting voice service quality in real time
• Jitter buffer, echo cancellation, and packet loss compensation, improving customer experiences

Security

During service provision, the AR2200 ensures security of enterprise networks. It provides a complete security protection mechanism including user access control, packet detection, and active attack defense. This mechanism protects customers' investments.

• Built-in firewall
• Authentication technologies on ports, such as 802.1x authentication, MAC address authentication, and portal authentication
• Authentication methods, including RADIUS and HWTACACS
• VPN technologies, including IPSec VPN, GRE VPN, DSVPN and SSL VPN

Intelligent Service Deployment

As the enterprise scale increases, enterprise users have high requirements on service deployment. The AR2200 provides the following service deployment functions:

• The AR2200 provides a mini-USB port. By using the mini-USB, users can configure the devices through GUI.
• Users can use the USB disk to deploy devices, and the devices are plug-and-play.
• The AR2200 supports the auto-config function. The auto-config function enables the AR2200 to automatically obtain configurations.

Simplified Service Management

Enterprise users require simply service management. The AR2200 provides the following functions to simplify service management:

• The AR2200 works with the eSight network management system to simplify device management.
• The AR2200 provides the NQA function to monitor links in real time.
• By using the NetStream function provided by the AR2200, users can view traffic characteristics and statistics clearly, which is basis for network optimization.

1 High-Density Ethernet Access

The AR2200 provides 24GE interface cards to implement high-density GE access. This interface card facilitates network operation and maintenance and protects customers' investment.

2 High-Quality Voice Service

As a voice gateway for enterprise networks, the AR2200 can function as an IP PBX or SIP gateway.

Figure 1. IP PBX application

The AR routers have built-in PBX, which supports the enterprise main number, IVR, and bill query functions to enhance corporate image and improve enterprise communication efficiency. And also the AR1200 can be located in a branch to provide the intelligent dialing function.

Figure 2. SIP gateway application

The AR2200 integrates voice, fax, and IP services. When providing voice services for enterprise users, the AR2200 functions as the SIP access gateway of a branch to transform phone signals into VoIP signals. The AR2200 uplink interfaces are connected to the IMS/NGN network to allow any media including phones, handsets, and computers to communicate at any time.

3 3G Wireless Access in Branch

The AR2200 complies with 3G standards including CDMA2000 EV-DO, WCDMA, and TD-SCDMA, meeting the wireless communication requirements between branches and the headquarters. Users can use a 3G USB disk to deploy 3G services on the AR2200, saving service card slots. In addition, the 3G data link can be used as a backup for wired link to protect the xDSL, FE/GE, ISDN, and CPOS uplinks. The backup link improves network stability and reduces network construction costs. The AR2200 provides the NQA function to detect 3G link quality, ensuring the SLA.

4 VPN in Branch

Figure 1. VPN over the Internet

The AR2200 provides various secure access functions to implement communication between enterprise branches and between branches and the headquarters, and to enable partners to access enterprise resources. Tunnels such as GRE VPN, IPSEC VPN, DSVPN and SSL VPN are set up between the headquarters and branches to implement secure data access and transmission. The AR2200 implements fast tunnel deployment and authentication for branches. Using a tunnel, partners can access and share enterprise resources. The AR2200 provides authentication and authorization for users.

Figure 2. VPN over the MPLS network

As the PEs of an MPLS network, the AR2200s are located in the branches. Different types of services are separated by MPLS L3 VPN. The AR2200 implements flexible deployment, fast distribution, and secure transmission of VPN services, and supports enterprise service operation over networks.

**Note: The maximum number of slots includes the number of combined slots.

Before choosing an AR2200, determine the device model, main control board, service cards, and software configurations.

Device model and main control board

• AR2220(fixed main control board):
• The device model is determined by the slot quantity and forwarding capacity that you require.
• AR2240(Selective main control board):
• The device model and main control board are determined by the slot quantity and forwarding capacity that you require.

Service card

The AR2200 service cards are classified into interface cards and DSP cards. The interface cards, including SIC cards, WSIC cards, and XSIC cards, are inserted into service card slots. Two SIC slots can be combined into one WSIC slot by removing the guide rail, and two WSIC slots can be combined into one XSIC slot by removing the panel. The DSP card is inserted into the DSP slot and works together with the FXO/FXS/ISDN/VE1 voice card.

Software

• The basic software and licensed software are available. The basic software provides basic functions such as routing, switching, voice, and security. The licensed software provides additional functions such as PBX.