Hands-On Special Circuits for Santa Clara Valley Water District

Course Description

This customized Special-Service Circuits Maintenance course provides extensive
information on the design, maintenance, and troubleshooting of the Santa Clara telecom
data network. The course will provide the skills necessary to perform day-to-day
maintenance, plus show how to troubleshoot service-affecting faults. Various test
equipment will be introduced and demonstrated. This course should also greatly assist
personnel when working with major service providers such as Verizon and ATT.

The course is based upon BTS existing Data Networking courses, and provides an in-
depth discussion of the existing network elements, how modems work, and how to best use

test equipment for the type of network topology used. It also will show how to setup
performance monitoring of lines, to help predict where faults are be starting to occur, even
in cases where the fault may be some distance away.

Students Will Learn

How the existing voice and data network works, and how it connects to the telco
service providers
The types of faults that occur with the data lines and with modems
How to find the physical location of a fault
The types of test equipment available, and how to most effectively use it for fault-
finding
How to repair a line correctly, with minimum down-time and maximum reliability
Use other trouble-mitigating techniques and features to prevent future problems
And More...

Target Audience

Intended for employees who are responsible for the maintenance and troubleshooting of
special-service circuits used to send and receive data traffic, used in the operations of the
Santa Clara municipal government.

Course Outline

Module 1 Line Basics

The Public Switched Telephone Network (PSTN)
Plain-Old Telephone Service (POTS)
Lines – AC & DC voltages, dB, impedance, wiring color code
Analog Transmission – VF waveforms, transmitter & receiver
Digital Transmission – data transmission, A/D conversion
Line Faults – noise, high-impedance short circuits

Module 2 Modems

How Modems Work
Features – LL, RT, scrambling, level, impedance
Setup – DIP switches, jumpers, user docs
Modem Faults – noise, surges, drop-outs, transients

Module 3 Special Service Circuits
What Is A Special Service Circuit?
Schematic Symbols & Elements
Circuit Designs
Santa Clara Monitoring Network

Module 4 Test Equipment

Meters – voltage, noise, power (dB)
Telephone Test Sets (“Butt-in”)
Transmission Impairment Measurement Set (TIMS)
Time-Domain Reflectometer (TDR)
Patch Cord Types

Santa Clara Valley Water District: Special-Service Circuits Maintenance

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Module 5 Troubleshooting

Voice & Data – What are the differences?
Verify the Fault
Checking for Noise
Checking for Short Circuits
Checking for Levels
Checking for Transients
Logging Data, and Interpreting the results
Splicing
Verify the Repair

Module 6 Preventative Maintenance
Pro-active Maintenance Routines
Modem Features
Line Conditioning
Power Conditioning

Notes

The course is designed to run for 2 182602 days in a classroom setting for up to 12 students, but additional length could be added if needed to provide a greater understanding of telecom networks (i.e. to
provide a tier-2 expert level of support) to some students. Field trips to actual equipment
premises can be 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 network.

Delivery Method

Instructor-led with a flexible approach that adjusts content most relevant to students.
Includes various 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)

BTS can provide all the necessary test, measurement, and training equipment for a
successful, hands-on course, but also encourages attendees to bring their own equipment,
such as laptops, meters, and Transmission Impairment Measurement Set (TIMS) test sets.
This provides an opportunity for valuable training, as students learn the features and
capabilities of the actual equipment they will be using in their jobs.

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.