四口ADSL 路由(4口带拨号功能)

4口ADSL路由 产品说明： 这是一个精心设计的高速，高性能的ADSL2 +路由器，它提供了4端口交换机功能，并支持网络协议，稳定运行的种类，并与各种DSLAM设备，它是由个人用户，SOHO一族的首选兼容，和小企业上网。

产品特点： 全速，自动感应的ADSL 2 +路由，桥接 高达24Mbps下行和上行速率高达1024kbps的数据 传输范围：6.5公里 友好的图形化网络配置 兼容几乎所有的互联网应用标准 支持多达8个永久性的（聚氯乙烯虚电路） 的NAT，IP过滤及密码身份验证调制解调器 支持远程管理 支持建立的PPPoE [table][tr][td]Description This is a well-designed high-speed and high performance adsl2+ router, which provides 4-port switch function and supports kinds of network protocols, steady runs, and is compatible with various DSLAM, which is preferred by the individual users, the SOHO, and the small enterprise to access the internet.[/td][/tr][tr][td] Features Full speed, auto-sense ADSL 2+ routing, bridgingUp to 24mbps downstream and up to 1024kbps upstream data rateMaximum transmission range:6.5 kilometersFriendly GUI for web configurationCompatible with virtually all standard internet applicationsSupport for up to 8 permanent virtual circuits (PVC)NAT, IP filtering and password authentication to modemSupport remote managementSupport build-in PPPoE[/td][/tr][/table] Specification [table][tr][td]Line Coding[/td][td]Discrete Multi-Tone (DMT)[/td][/tr][tr][td]Standard Compliant[/td][td]Full rate ADSL ANSI T1.413 Issue 2[/td][/tr][tr][td] [/td][td]ITU G.992.1 (G.dmt) Splitterless G.992.2[/td][/tr][tr][td] [/td][td]ITU G.994.1 G.996.1 ITU 992.5(ADSL 2+)[/td][/tr][tr][td]Data Rate[/td][td]Maximum transmission rate: Downstream up to 25 Mbps, and[/td][/tr][tr][td] [/td][td]Upstream up to 1024 kbps[/td][/tr][tr][td]ATM specification[/td][td] [/td][/tr][tr][td]ATM Adaptation Layer[/td][td]Support AAL5[/td][/tr][tr][td]VCs[/td][td]Support 8 Permanent Virtual Circuits (PVCs) [/td][/tr][tr][td]Service Class[/td][td]UBR, CBR, rt-VBR, nrt-VBR[/td][/tr][tr][td]OAM[/td][td]ITU-T I.610 OAM Principles & Functions (include F4/F5)[/td][/tr][tr][td]Basic Protocol[/td][td] [/td][/tr][tr][td]RFC 2684[/td][td]Multiple protocol encapsulation over AAL5:[/td][/tr][tr][td] [/td][td]Support Logical Link Control (LLC) encapsulation[/td][/tr][tr][td] [/td][td]Support VC-based multiplexing [/td][/tr][tr][td] [/td][td]Support Bridged and Routing[/td][/tr][tr][td]RFC 2364[/td][td]PPP over AAL5:[/td][/tr][tr][td] [/td][td]Support LLC encapsulation[/td][/tr][tr][td] [/td][td]Support VC-based multiplexing[/td][/tr][tr][td]RFC2516[/td][td]Support PPP over Ethernet Relay[/td][/tr][tr][td] [/td][td]Support PPP over Ethernet[/td][/tr][tr][td]RFC 1577[/td][td]Classical IP over ATM[/td][/tr][tr][td]Bridged Function[/td][td] [/td][/tr][tr][td]IEEE802.1d[/td][td]Transparent, learning bridge with spanning tree support.[/td][/tr][tr][td] [/td][td]PPPoE relay[/td][/tr][tr][td]Routing Function[/td][td] [/td][/tr][tr][td] [/td][td]IPv4, TCP, UDP, ICMP, ARP, RARP, proxy-ARP [/td][/tr][tr][td]Routing[/td][td]Routing Information Protocol (RIP, RIPv2) [/td][/tr][tr][td] [/td][td]Static Routing[/td][/tr][tr][td]DHCP[/td][td]DHCP Server/Client/Relay[/td][/tr][tr][td]DNS[/td][td]DNS relay[/td][/tr][tr][td]IGMP[/td][td]IGMP v1, v2 Proxy[/td][/tr][/table]