Hands-On EWSD Nokia (Siemens) Virtual Switch Maintenance and Troubleshooting On-Site or Virtual Live Instructor-led |
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Module 1 : Telephony Overview
- T&R, E&M
- Battery
- Analog Signals
- Digital: A/D & D/A Conversion
- PCM
- Stored Program Control (SPC)
- Analog & Digital Talk Paths
Module 2 : EWSD® Theory of Operation
- EWSD Topology
- Functional Block Diagram
- Time Stage
- Switching Network/Space Stage
- Hardware Modules:
CP - IOPC, IOP:MB, IOP:UNI, Memory, OMT/SYPC interfaces
MB
CCG
SN - LTG interfaces
LTGC/LTGK/LTGO - incl. DIU/LDI options
DLU - Local, Remote, DLUA, DLUB, DLU(x) Semi-Shelfs
CCNC incl. SS7 Concepts
HDD & MOD Backup
RSU/RCU/OneUp®, SASC
SLC-Series Remotes (SLC-96)
GR-303 RDT
IPH - Packet Handler
SE - other Service Equipment, Ringing, DSX, RAD-PAD, etc.
- End-to-End Call
- Review
Module 3 : Man-Machine/SmartCommander
- Input/Output & Man-Machine
- SmartCommander - UNIX & Windows
- Basic Craft Terminal (BCT) Boot
- Basic Man-Machine Language (BMML) Commands
- Command Assistant
- Basic Command Structure: operator - device - action
- SC: SYSD (Iss 017+)
Module 4 : BMML Commands
- Command Operators: CONF, DIAG, DISP, DUMP, STAT, etc.
- Command Examples: TESTSUB, DISPDN, LTGCTL, STATSUB, STATDLUMOD, etc.
- Practice Looking-Up Commands
- Network Commands: CONFLTG, DIAGDIU, CONFSN, etc.
- Examples
- Review
Module 5 : Documentation
- Electronic Document Delivery System (EDDS) - Compiled HTML (.chm)
- Book 0200 - Documentation Catalog
- Book 0825 - Installation and Acceptance
- Book 1088 - Maintenance Summary Guide
- Job Site Documentation: Orders, Installation, Drawings, ECD, CLL
- System Output Messages: MMN, FLN
- TLM, TAP, DLP
Module 6 : Maintenance
- Listing Troubles, Lockouts, Blocked Devices
- Directory Numbers & SLMs - lookup
- Locating a Module
- Replacing Modules:
ESD Practices
OST & Power-Removal Requirements
Module VCC level
Correct Module Extraction & Insertion
- Test Modules - LCMM, FMTU, MTAM
- Alarm Modules - ALEX
- Trunk Modules - DIU, ATE:TM
- COPYGEN System Image
- Examples
Module 7 : Troubleshooting
- NOC/SCC Interaction
- ESD Precautions
- Commands: STATSSP, STATSN, DISP & SRCHALARM, etc.
- Alarm Messages
- Using the MMN
- Using the FLN
- Diagnostics & Configuration: CBL, MBL, CONF, ACT, etc.
- Recoveries:
Emergency Action Interface (EAI)
NSTART0 - 3
ISTART1 - 2x
- Examples
Module 8 : Block Diagrams
- EWSD System Functional Block Diagram
- SN-LTG-DLU Interconnection Diagrams
- HTI-RTI Connections
- IOPC Diagrams
Module 9 : Frame Images
BTS always provides equipment to have a very successful Hands-On course. BTS also encourages all attendees to bring their own equipment to the course. This will provide attendees the opportunity to incorporate their own gear into the labs and gain valuable training using their specific equipment.