AR4021 -ADSL router/modem
AR4021 -ADSL router/modem provides you with astonishing Internet access speed. It's ideal solution for small business and home offices that are looking for a cost-effective, high-speed access, higher secure, and easier to setup equipment.

AR4021 is a feature rich and ADSL2 ready product. It can be upgraded to ADSL2 by just upgrading the firmware without changing hardware.

Setting up AR4021 could not be easier. Just connect your PC, laptop, or local area network to the AR4021 over an Ethernet and you are ready to go.

Features
• Support ANSI T1.413 Issue 2, ITU-T G.992.1 (G.DMT),
• Dual lantency with auto-detection

Specifications
ATM Protocols : Multiple protocol over AAL5 (RFC1483)

Support ATM cell format ITU-T I.361

ATM Forum UNI 3.1/4.0 PVC

Support up to 8 PVCs -traffic shaping (CBR, UBR, VBR)

OAM F4 & F5
PPP Support : PPPoA (RFC 2364)

PPPoE (RFC 2516)
Bridging: 24 (2x12) character LCD with signal strength, battery, and status display

Filtering functions-MAC address filtering and protocol filtering

Support up to 256 MAC learning addresses
Router Features: RIP-1 and RIP-2

Static routing

NAT with ALGs

DHCP Server/Client

DHCP Relay

DNS Relay

NAT/NAPT

IGMP PROXY
Security: Password protected security management

User authentication for PPP (PAP/CHAP)

Packet filtering
Configuration Management: LAN/WAN management via Telnet interface or Web-based browser interface

SNMP MIB 2 management

Firmware upgrade available by TFTP, FTP, HTTP

Status display and event report from Web-based management

Self-diagnostic function
Physical Inter face: One RJ-11 port for ADSL connection

Four RJ-45 port for 10M/100M auto-sensing Ethernet LAN connection

Power switch
Power Requirement: AC input voltage: 100 to 120 VAC, 200 to 240 VAC

Frequency: 50/60 Hze
Operating Environment: Temperature: 0 ~ 40 C

Humidity: 10 to 90%, non-condensing
Physical Specification: Dimension: 129(W) x 146(L) x 29(H) mm

Support
Technical Inquiry: Submit Technical Inquiry