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DMS-100 System Maintenance and Troubleshooting-5
Course Description
The DMS-100 System Maintenance Troubleshooting course provides extensive information on the design, maintenance, and troubleshooting of the Nortel DMS-100 switching system.

The course will provide the skills necessary to perform day-to-day maintenance, plus show how to troubleshoot service affecting faults. Various types of documentation will be discussed. This course should also greatly assist personnel when working with next-tier technical support.

Our Hands-On non-intrusive exercises equip the students to conduct maintenance activities and perform troubleshooting procedures and much more.
Students Will Learn
Target Audience
The course is intended for those who are responsible for the maintenance and troubleshooting of Central Office systems, plus NOC personnel and first responders who respond to alarms. No previous switching background is required, although some familiarity with CO equipment will be beneficial. Certain management and provisioning personnel will also benefit, providing a greater understanding of the resources needed for the system, and how to program it.
A basic understanding of the DMS-100 system.
Course Outline

Module 1 PSTN Overview


Module 2 Introduction to the DMS-100


Module 3 Remotes


Module 4 Documentation

- Document Directory (297-8991-001)

- Network (591)

- Input/Output (590)

- Peripheral Module (592)

- External Devices (593)

- Lines (594)

- Trunks (595)


Module 5 General Procedures & TTY

- Input/Output System Reference Manual (129)

- Maintenance System Human-Machine (520)

- Maintenance & Test Manual - General Procedures (GP)

- Basic Administration (300)

- Common Maintenance Commands (822)

- Hardware Reference Manuals (297-8991-805)

Module 6 Maintenance & Preventative

- Maintenance System Maintenance Guide (106)

- Maintenance and Administration Tools (107)

- Routine Maintenance Procedures (546)

- Card Replacement Procedures (547)

- Disk Maintenance Subsystem (526)

- Ringing System (131)


Module 7 Troubleshooting


Module 8 Emergencies


Module 10 Summary

This course can also be delivered in a 5-8-10 day formats, depending on the amount of labs and specific topics covered.

The course is designed to run in a classroom setting, but additional length is added upon request to provide a greater understanding of foundational topics, such as telecom networkstored-program control background, PCM theory, hexadecimal-binarydecimal conversion, and the many tracing functions available in the DMS-100. More complex troubleshooting concepts can be introduced with this course including various debug logs, inter-bay cabling, and backplane fault analysis (i.e. to help provide a tier-2 expert level of support) for students who need additional skills. Field trips to actual premises are used to allow students an opportunity to see and understand where all the parts of the system are found, what they do, and provide a better end-to-end understanding of the switch.
Delivery Method
Instructor-led with a flexible approach that adjusts content most relevant to students. Includes various non-intrusive labs, demonstrations, and exercises to help students focus on and retain
the material presented.
Equipment Requirements
(This apply's to our hands-on courses only)
Access or remote access to a DMS100 Switch is required for this training.

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.

Course Length
5 Days

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