| 品牌 | 双讯 | 型号 | S-210 |
S-210 ADSL2+测试仪是一款体积小功能齐全的数据维护仪表自动适应局端各种ADSL线路标准，更加贴近实际的维护需要，操作简单，测试方便，不但可以帮助您确认用户线路是否能开通xDSL业务，还可以评估您提供给用户的服务品质。自带键盘设计随时随地修改拨号用户名及密码，方便验证个体用户的用户名及密码的合法性。
符合标准
·ANSI T1.413 Issue 2 ·ITU-T G.992.5(ADSL2+)
·ITU-T G.992.1(G.dmt) · ITU-T G.992.2(G.lite)
·ITU-T G.992.3(ADSL2) · RE-ADSL2
·ITU-T G.992.4(Splitterless ADSL2)
支持模式
·支持RFC1483（RFC2684）桥接/路由模式
·支持PPPoE(RFC2516)、PPPoA（RFC2364）
·支持LLC/VC MUX，支持PAP/CHAP
功能及技术指标
●兼容ADSL/ADSL2/ADSL2+/READSL。
●DSL线路的物理层测试：
线路衰减；线路噪声裕量；上行信道速率；下行信道速率；上/下行速率；输出功率；
远端、近端误码（CRC、HEC、FEC、NCD、OCD）个数；DMT调制下的256/512个子信道子载波功能特性图；显示DSL线路连接模式；
●DSL线路的网络层测试层：
可进行PPPoE、PPPoA拨号和修改拨号属性，拨号成功后可获取并查看本端IP、对端IP、DNS服务器IP、第二DNS服务器IP地址等信息,验证用户到ISP服务商的连通性；PAP和CHAP可选；可进行Ping测试；丢包率测试。
●仿真Modem功能；Modem软件在线升级；
●DMM测试：内置万用表功能
●测试数据存储功能；
●仪表常规参数：
·手持式：体积200×90×33mm；重量：<500g
·显示屏：液晶显示带背光
·锂电池：可充锂电池
S-210 ADSL2+ TESTER It is a small, fseull-featured data maintenance instruments, and automatically adapts to all kinds of ADSL lines standards, so it is clor to the actual needs of maintenance with user-friendliness, conveniently testing. It can not only help to confirm the opening of business lines but also can assess the service quality. The keyboard design makes the amendment of username and password conveniently. Standard: ITU-T G.992.5 (ADSL2+) ITU-T G.992.1 (G.dmt) ANSIT1.431 Issue 2 ITU-T G.992.2 (G.lite) ITU-T G.992.3 (ADSL2) RE-ADSL2 ITU-T G.992.4 (Splitterless ADSL2) Supporting mode: Support RFC 1483(RFC 2516) bridging mode and routing mode Support PPPoE(RFC2516) PPPoA(CFR2364) Support LLC/VC MUX Support PAP/CHAP Function and specifications: Compatible with ADSL/ADSL2/ADSL2+/READSL ADSL physical testing: Line attenuation, line noise margin, the uplink and downlink channel rates, the largest upstream and downstream rate, power output, number of remote and nearby proximal errors(CFR、JEC、FEC、NCD、OCD), function and feature map of 256/512 sub-channels and sub-carriers under DMT modulation, showing DSL routes linking mode. DSL network testing: Properties of PPPoE、PPPoA dial-up and dial-up modifications, after the success of dial-up, one can get and check IP-IP, the first DNS server IP, the second DNS server IP addresses to validate the connectivity from user's to ISP services, PAP and CHAP optional, Ping testing, and packet loss rate test. Modem simulation; Modem software online upgrade DMM testing: built-in multi meter Testing data storage capabilities Instrument conventional parameters: Handheld: dimension (mm):200×90×33 weight: <500g Screen: LCD with backlight Lithium battery: rechargeable