Content Page Title 35-40pt Color: R153 G0 B0 Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Content Page Text : 28-30pt Bullets level pt Color:Black Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial PT. HUAWEI SERVICES

Content Page Title 35-40pt Color: R153 G0 B0 Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Content Page Text : 28-30pt Bullets level pt Color:Black Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial As one item of NQI Project : Major Level Program Background Catalog RCA Project

Content Page Title 35-40pt Color: R153 G0 B0 Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Content Page Text : 28-30pt Bullets level pt Color:Black Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Objectives for today… To build a system that can find out the actual Root Cause in field as a feedback from Field Operation (FOP/FME) systematically Root Cause Tree in MOS To understand the workflow of Catalog RCA feature in the system Automatic Linkage between alarm and Work Order (FOP/FME) Benefit of Catalog RCA Root Cause Usage

Content Page Title 35-40pt Color: R153 G0 B0 Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Content Page Text : 28-30pt Bullets level pt Color:Black Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial To identify actual root cause and documented in the system Root Cause Tree in MOS Background from BCG……

Content Page Title 35-40pt Color: R153 G0 B0 Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Content Page Text : 28-30pt Bullets level pt Color:Black Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Root Cause Tree in MOS What we have in MOS Tools…. Mapping defined by alarmProbability RCAWO AssignmentActual RCA Record E2E RCA Information Alarm Occur Process 1 Process 2 Process 3 Process 4 Process 5 Alarm Occur Catalog RCA mapping will be defined by alarm Process 1 TT Created from Netcool and automatically defining the mapping of Probability RCA Probability RCA consist of : Probable Cause, Probable Sub-Cause, Probable NE, Probable Vendor, Service Impact (Yes, No, Potential) and Recommended Solution Process 2 WO created by keeping the information of Probability RCA. Probability RCA can be seen in WFM Handset by FOP Process 3 FOP process the WO and feedback the Actual RCA in WFM Handset Actual RCA consist of : Actual Vendor, Actual Cause, Actual Sub-Cause, and Actual NE Process 4 FOP confirm the WO (WO Completed) Both information of Probability RCA and Actual RCA are kept in TT. Process 5 TT Closing Process 6 TT Created WO Created WO Received WO Confirmation TT Closing Process 6

Content Page Title 35-40pt Color: R153 G0 B0 Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Content Page Text : 28-30pt Bullets level pt Color:Black Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Root Cause Usage Benefit of Catalog RCA…. To find the right root-cause and get right improvement

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Content Page Title 35-40pt Color: R153 G0 B0 Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Content Page Text : 28-30pt Bullets level pt Color:Black Corporate Font: FrutigerNext LT Medium Font to be used by customers and partners: Arial Install WFMS Handset with RCA