Chi tiết:
Giao diện phần cứng ADSL AnnexA : 1 cổng ADSL2+, RJ-11 connector AnnexB : 1 cổng ADSL2+, RJ-45 connector LAN 4 cổng 10/100 Base-Tx Switch, RJ-45 connectors VoIP 2 FXS, RJ-11 ADSL Compatibility ADSL G.dmt ( G.992.1 ) ANSI T1.413 Issue2 ADSL2 G.dmt.bis ( G.992.3 ) ADSL2+ ( G.992.5 ) READSL Up to 24Mbps downstream and 1Mbps upstream Giao thức ATM Multiple Protocol over AAL5 ( RFC 2684 ) PPP over Ethernet and AAL5 ( RFC 2516,2364 ) Up to 8 PVCs PPPoE pass through from LAN / WLAN Transparent Bridge for MPoA VoIP SIPv2 ( RFC3261 ) , RTP / RTCP Six SIP Registrars Jitter buffer ( 125 ms ) Codec Features G.711 A/ µ law G.723.1 G.726 G.729 A/B VAD / CNG G.168 Line Echo-Cancellation FAX / Modem Support G.711 Pass-through T.38 for FAX Supplemental Services Call Hold / Retrieve Call transfer Call Forwarding ( Always, Busy, No Answer ) DND ( Do Not Disturb ) Hotline PSTN loop-through Tường lửa IM/P2P Blocking Multi-NAT, DMZ Host, Port-Redirect / Open Port Rule-Based IP Packet Filtering SPI ( Stateful Packet Inspection ) DoS / DDoS protection IP address Anti-Spoofing Logging via syslog Quản lý băng thông Guarantee bandwidth for VoIP Class-based bandwidth guarantee by user-defined traffic categories Hỗ trợ 4 cấp độ ưu tiên Support of DiffServ codepoint classifying Virtual Private Network Up to 2 VPN tunnels DHCP over IPSec Protocol PPTP IPSec L2TP L2TP over IPSec Encryption AES MPPE DES / 3DES Authentication MD5 SHA-1 IKE authentication Pre-shared key Digital signature ( X.509 ) LAN to LAN and Teleworker to LAN Dead Peer detection VPN Pass-through Network Features DHCP client / relay / server Dynamic DNS SNTP client Call scheduling RADIUS client DNS cache / proxy UPnP Port-based VLAN IGMPv2 proxy / snooping Routing Support RIPv2 Static Route Content Filtering URL key word blocking Java applet , cookies , Active X , compressed , executable , multimedia file blocking Time schedule control Web Content Filter Management Web-based user interface ( HTTP / HTTPS ) Quick Start Wizard CLI ( Command Line Interface, Telnet / SSH* ) Administration access control Configuration backup / restore Build-in diagnostic function Firmware upgrade via TFTP / FTP Syslog SNMP management MIB-II Temperature Operating : 0°C ~ 45°C Storage : -25°C ~ 70°C Humidity 10% ~ 90% ( non-condensing ) Max. Power 10 Watt Dimension L220 * W160 * H36 ( mm ) Power DC 12V ~ 15V
