IESL COLLEGE OF ENGINEERING
TRAINING STANDARD
FOR
ADVANCED DIPLOMA AND GRADUATE DIPLOMA
IN ELECTRONIC AND TELECOMMUNICATION ENGINEERING
IESL COLLEGE OF ENGINEERING
TRAINING STANDARD FOR ADVANCED DIPLOMA AND GRADUATE DIPLOMA
IN ELECTRONIC AND TELECOMMUNICATION ENGINEERING
CONTENTS
No
Description
Page
01
Railway signaling
01
02
Electronic control systems
02
03
Television studio
02
04
Television transmission
03
05
Broadcasting studio
04
06
Radio transmission
04
07
Microwave communication links
05
08
Satellite communication
05
09
Over head communication lines
06
10
Underground communication lines
06
11
Service and repair of telephone instruments
07
12
Private branch exchanges
07
13
Telephone exchanges
08
14
ADSL
08
15
Network operations
08
16
Auxiliary power systems
09
17
Automotive electrical system
09
01. Railway signaling
Study the centralized traffic control system in operation at the main control room and in the
colour lights signal area
Study the line to line system of operation of the colour lights signal system
Study the track changing and line clearing procedures
Study the signaling procedure for control signaling and automatic signaling
Study the local operation of switching points, magnetic locks, call-on signals and level crossing barriers
Familiarize with controls and indications of the colour lights signaling system
Familiarize with various circuits of the route relays, interlocking and centralized traffic control (C.T.C)
Familiarize with various circuits of the route relays, rectifiers, voltage stabilizers, converters and the
power distribution system
Familiarize with emergency power plant operation and control circuits
Familiarize with various types of equipment used in colour lights signal system
Familiarize with sequence of relay units operation in C.T.C. and route relay interlocking
Familiarize with planning, installation and testing of colour lights signaling system
Familiarize with use of various types of tools and instruments used in repairing colour lights signal
system
Familiarize with fault finding procedure and the approach to repairs
Familiarize with adjustment and testing of relay units
Familiarize with preventive routine maintenance procedures
Familiarize with the communication system used in railways
Familiarize with circuits of the voice operated transmission system
Familiarize with circuits of the way side control telephone circuits in the colour lights signal areas
Familiarize with control telephone circuits of the railways
Familiarize with public address system circuits of the railways
Familiarize with transceiver circuits of the railways
Page 01
02. Electronic control systems
Identify control system components (transducers, forward path gain, feedback gain, closed loop gain)
Familiarize with the instability implications of unity or greater open loop gain
Familiarize with concepts of gain and phase margin for stability
Familiarize with the construction of electrical transducers for the measurement of pressure,
temperature, displacement, velocity and acceleration
Familiarize with static calibration techniques for transducers
Familiarize with dynamic response of transducers
Familiarize with types of faults and fault symptoms of common transducers
Familiarize with specific safety margins of operations for controlling state variables
Familiarize with selection of suitable self diagnostic fault indicators for any state variable of simple
control of systems
03. Television studio
Design of a TV studio system
Study the principles of a central assignment colour TV system, synchronous pulse generators, delay
lines, pulse and video signal distribution and timing and preparation of timing diagrams.
Study the main control room (MCR), signal switching and assignment system and principles of video
switches and mixers
Study the design of a colour TV recording studio
Familiarize with lighting for colour television, luminaries and lighting consoles
Familiarize with acoustical treatment and sound insulation of studios
Familiarize with microphones and principles of audio mixing
Familiarize with studio sub - control room, vision control, vision mixing and digital video effects
Video recording
Familiarize with principles of video recording
Identify the different recording formats
Page 02
Familiarize with routine maintenance and trouble shooting of recording equipment
Familiarize with trouble shooting of TV monitors and receivers
Practice video editing and recording
TV cameras
Study the basic principles of TV cameras, Scanners and Telecine machines
Familiarize with maintenance and trouble shooting of Colour TV cameras, Scanners and Telecine
machines
4. Television transmission
Television transmitters
Study the principles and basic diagrams of studio to transmitter microwave links
Study the principles and basic block diagrams of medium power VHF and UHF TV transmitters and
receivers
Study the principles of TV transmitting antennas
Familiarize with routine alignment and measurements
Familiarize with Outdoor telecasting
Identify equipment required for Outdoor telecasting and describe their applications
Principles of colour television systems
Study the principles of television transmission, colorimetry and basic principles of colour television.
(PAL, NTSC, and SECAM systems)
Television test signals and instrumentation
Study the use of wide -band oscilloscope for TV measurements, the wave form monitor and the vector
scope
Principles of standard test signals used in TV and measurement of related parameters. (standard colour
bars, pulse bar, differential gain and differential phase)
Page 03
Familiarize with output characteristics of D.C. power systems
Familiarize with method of regulation of output voltage
Familiarize with protective devices and their purposes
5. Broadcasting studio
Orientation to the studio centre
Familiarize with acoustic properties of studios used for talks, plays and general purposes
Measure the reverberation time of a studio
Study daily maintenance schedules of studio consoles
Study multi channel studio and sound consoles including sound console circuits
Familiarize with talk back circuits, muting circuits/echo, reverberation circuits etc.
Familiarize with the calibration procedure of ‘peak programme meter’
Familiarize with the monitoring arrangements of studios, recording rooms and the control room
Study the master clock systems and observe correction procedure
Familiarize with studio interphone system
6. Radio transmission
Study the principles and basic diagrams of studio to transmitter links
Study the principles and basic block diagrams of transmitters
Study the principles of transmitting antennas
Familiarize with routine alignment and measurements
Familiarize with Outdoor broadcasting.
Identify equipment required for Outdoor broadcasting and describe their applications
Page 04
7. Microwave communication links
Microwave transmission
Study block, schematic and level diagrams of microwave transmitter and receiver equipment
Familiarize with schematic diagrams of microwave terminal and repeater equipment including the
protection channels and supervisory equipment and their operations
Familiarize with microwave amplifiers, method of aligning and testing
Familiarize with installation and testing of wave guides and antennas
Measure system performance at: Base band, Mod-demod, I.F, and R.F. (micro) for conformity with
regulations
Measure overall system performance using noise loading techniques
Frequency Division Multiplex system
Familiarize with C.C.I.T.T. basic group, super group and the sequence of multiplexing
Familiarize with block and schematic diagrams of F.D.M. systems including the frequency generating
equipment inclusive of pilot frequencies
Familiarize with the circuitry of amplifiers, mod-demods, pilot monitors, gain regulating equipment,
oscillators, harmonic generators and filters
Perform level and noise measurements using selective level meter, flat level meter and psophometer
and also express level measurements in dbr and dbmo
8. Satellite communication
Familiarize with the organization pattern of an earth station
Familiarize with the principles of a satellite system
Familiarize with relevant ITU & INTELSAT rules and documents
Familiarize with the low noise receiver
Familiarize with the medium high power amplifiers
Familiarize with the multiplex sub systems
Familiarize with the ground communication equipment
Page 05
Familiarize with the power sub system
Familiarize with the antenna sub system
Familiarize with the single channel per carrier equipment
09. Over head communication lines
Familiarize with materials, protective devices and tools used in overhead telephone line installations
Familiarize with methods of erection, recovery, shifting of poles, stays and struts
Study and inspect wiring of overhead lines including erecting, regulating, joining and tensioning of wires
Familiarize with guarding of overhead plant against H.T. and L.T. power supplies, safety precautions
when working on poles and when working near power circuits.
Familiarize with surveying and planning overhead routs
Familiarize with subscriber installation from last bracket to the telephone
Test, locate and clear faults
10. Underground communication lines
Familiarize with installation and maintenance of underground cables
Familiarize with most appropriate method of cabling considering earth and environmental conditions
Familiarize with excavation of trenches, laying of ducts, construction of joining chamber and man-holes
on carriage ways and foot ways, rodding of ducts and drawing in cables
Familiarize with inspection of flexible devices in underground cable networks, teeming, multiple teeming
and use of cabinets and pillars
Familiarize with surveying and planning underground routes
Familiarize with general instructions on cable make-up, colour code scheme of PCLC cable, twin and
quad types, continuity test, earth contacts, split pairs, short circuits and disconnections
Familiarize with pressure testing, installation testing and location faults
Page 06
Familiarize with joining and plumbing various types of cables (eg: joining of PCLC cable to PVC cable,
systematic joints, joining polythene cable to polythene cable, polythene cable to lead cable)
Familiarize with method of cable laying, depth and cable arrangements in joint boxes
Familiarize with safety precautions when working in joining chamber
Familiarize with electrolytic and other forms of cable corrosion and protective measures
11. Service and repair of telephone instruments
Familiarize with circuit symbols commonly used in telephone colour codes
Familiarize with brief outline of the local telecommunication network
Identify direct line telephones and their components, dismantling and assembling of telephone
instruments and dial speed adjustments
Identify and study the operation of main extension instruments
Study and interpret circuit diagrams of all types of direct line telephone instrument
Test and locate faults in all types of direct line telephone instruments by using circuit testers and other
measuring instruments
Test and locate faults in main and extension systems
Practice replacement of faulty components in direct line, main and extension telephones
Familiarize with tools, measuring instruments and their functions and applications
Study outline of the multi-frequency dialing combination
Read and trace wiring diagrams
Test and locate faults and replace major faulty components
12. Private branch exchanges
Study the functions and layout in switch boards
Study the functions of circuit components of cord and cordless types
Familiarize with switch board circuit diagrams
Page 07
Trace wiring on actual switch boards of operator exchange line, extension line, ringing night extension
key, dialing hold and supervisory circuits of switch boards
Familiarize with diagnosis and location of faults
13. Telephone exchanges
Familiarize with general concepts of an electronic switching system
Familiarize with TDM technical applications
Familiarize with hardware configuration of TD switching systems
Familiarize with computer principles and data storage
Familiarize with software for switching systems
Familiarize with man/machine communication
14. ADSL
Identify the benefits of ADSL
Familiarize with the working system of the ADSL
Recognize the limitations of ADSL amongst other applications
List the elements required for an ADSL installation and their functions
Familiarize with trouble shooting
15. Network operations & maintenance
Familiarize with electrical installations in BSC and BTS
Familiarize with protection system in BSC and BTS
Familiarize with installation and commissioning of outdoor and indoor BTS
Familiarize with installation and commissioning of Microwave links
Familiarize with maintenance of power system (Rectifier, Battery bank and Generator)
Familiarize with maintenance of BSC, BTS and Microwave links
Page 08
Familiarize with maintenance of the power line
Familiarize with monitoring and rectification of alarms
Familiarize with network monitoring, maintenance and optimizing
Familiarize with installation of equipment
16. Auxiliary power systems
Identify different types of batteries, their construction and application (lead acid, nickel iron, portable
and stationary batteries)
Familiarize with charging float operation and equalizing of batteries and perform associated
measurements with regard to variation of specific gravity during charging and testing and testing of
capacity
Familiarize with installation, commissioning, care, maintenance and charging of batteries
Familiarize with circuitry and principles of operation of battery chargers, float chargers and battery
eliminators
Familiarize with output characteristics of D.C. power systems
Familiarize with method of regulation of output voltage
Familiarize with claims and protective devices, their purpose and operation and fault location
Perform measurements of hum level, regulation and efficiency of power systems
17. Automotive electrical system
Orientation to electrical repair shop
Understand the physical layout, organization structure, stores facilities and procedures in the electrical
shop
Identify potential hazards, safety precautions and safe practices adopted in the electrical shop.
Identify materials, tools and equipment required for electrical work and describe their applications
Page 09
Electrical repairs
Familiarize with installation, care, maintenance, testing and charging of batteries
Familiarize with the circuits and principles of operation of battery chargers
Familiarize with the charging system and testing and repair of the same (alternator, dynamo,
conventional voltage regulator / cutout, voltage regulators for alternators)
Familiarize with the starter motors and testing and repair of same
Familiarize with ignition system, its fault diagnosis and repairs (coil ignition, electronic contactless
ignition and transistor assisted ignition systems)
Familiarize with fuel injection systems
Familiarize with lighting and signaling system (head lights, turn signals, break lights, interior lights,
audible warning systems and electronic signals)
Familiarize with electrical utilities (air conditioners, windscreen wipers, heaters, blowers, power
shutters)
Familiarize with instrumentation
Familiarize with safety aspects of electrical system (fuses, MCB’s, relays etc.)
Page 10