华为-MA5600 故障处理01-06 ADSL业务故障处理.doc

目录TOC\o"1-1"\h\z\t"标题2,2,标题3,3"HYPERLINK\l"_Toc152474691"6ADSL业务故障处理PAGEREF_Toc152474691\h6-1HYPERLINK\l"_Toc152474692"6.1故障处理流程PAGEREF_Toc152474692\h6-2HYPERLINK\l"_Toc152474693"6.1.1业务影响和防范PAGEREF_Toc152474693\h6-2HYPERLINK\l"_Toc152474694"6.1.2流程图PAGEREF_Toc152474694\h6-2HYPERLINK\l"_Toc152474695"6.1.3初步定位故障位置PAGEREF_Toc152474695\h6-3HYPERLINK\l"_Toc152474696"6.1.4检查终端状态PAGEREF_Toc152474696\h6-3HYPERLINK\l"_Toc152474697"6.1.5检查线路状况PAGEREF_Toc152474697\h6-5HYPERLINK\l"_Toc152474698"6.1.6检查DSLAM运行状态PAGEREF_Toc152474698\h6-5HYPERLINK\l"_Toc152474699"6.1.7检查DSLAM配置数据PAGEREF_Toc152474699\h6-5HYPERLINK\l"_Toc152474700"6.1.8检查上层设备状态PAGEREF_Toc152474700\h6-7HYPERLINK\l"_Toc152474701"6.2常见故障处理方法PAGEREF_Toc152474701\h6-7HYPERLINK\l"_Toc152474702"6.2.1常见故障分类和原因分析PAGEREF_Toc152474702\h6-7HYPERLINK\l"_Toc152474703"6.2.2Modem无法激活或者频繁去激活PAGEREF_Toc152474703\h6-8HYPERLINK\l"_Toc152474704"6.2.3不能打电话、不能上网PAGEREF_Toc152474704\h6-10HYPERLINK\l"_Toc152474705"6.2.4能打电话、不能上网PAGEREF_Toc152474705\h6-10HYPERLINK\l"_Toc152474706"6.2.5上网速度慢PAGEREF_Toc152474706\h6-11HYPERLINK\l"_Toc152474707"6.2.6上网时经常中断PAGEREF_Toc152474707\h6-12HYPERLINK\l"_Toc152474708"6.3典型案例PAGEREF_Toc152474708\h6-12HYPERLINK\l"_Toc152474709"6.3.1电话无拨号音，但是能上网PAGEREF_Toc152474709\h6-12HYPERLINK\l"_Toc152474710"6.3.2电话有拨号音，但是不能上网PAGEREF_Toc152474710\h6-13HYPERLINK\l"_Toc152474711"6.3.3打电话时ATU-R容易出现去激活现象PAGEREF_Toc152474711\h6-14HYPERLINK\l"_Toc152474712"6.3.4网卡软硬件设置不一致导致上网速度很慢PAGEREF_Toc152474712\h6-14HYPERLINK\l"_Toc152474713"6.3.5用户线连接错误导致Modem不能激活PAGEREF_Toc152474713\h6-15HYPERLINK\l"_Toc152474714"6.3.6分离器板接线故障导致用户上网中断PAGEREF_Toc152474714\h6-16HYPERLINK\l"_Toc152474715"6.3.7分离器板接线错误导致ATU-R无法激活PAGEREF_Toc152474715\h6-17HYPERLINK\l"_Toc152474716"6.3.8高频干扰源导致电话有杂音PAGEREF_Toc152474716\h6-17HYPERLINK\l"_Toc152474717"6.3.9ADSL用户话机无法实现来电显示功能PAGEREF_Toc152474717\h6-18