bsnl eetp course - job aid

Digital Transmission System (DTS) Job Aid

EETP/BSNL Silver Certification course of 4

For Restricted Circulation

JOB AID-1 (W1/S1)

Name of participant: …………………………………………….

Registration Number: …………………………………………….

1.1 Title: Identification of different types of Transmission media and their

applications.

1.2 Objective:

On completion of this visit/ practical exercise, the participant will be able to:

a) Identify the different types of Transmission media like CAT-5/CAT-6

Copper Cables, Feeder Cables, Optical Fiber Cable, Antenna etc.

b) Understand application of different Transmission media and Components.

1.3 Venue/Site: Training Center.

[*In training locations where the required equipment / set-up is not available, the

same will be carried out through field visit]

1.4 Set up/Equipments Required:

DDF

CAT-5/CAT-6 Cables/Copper Cables

OF Cable/ Feeder Cables

Different types of Antenna

1.5 Exercise: 1.5.1 Standard Installation practice used for equipment to be taught (if applicable)

like:

• Marking of lines to mount the equipment’s Iron work installation

• Power DC distribution panel installation

• Mounting of Racks

• Cable preparation and laying

• Powering ON

• Software installation

• Equipping different modules

• Testing

1.5.2 Demonstration by Faculty.

1.5.3 Write down the different Component of DDF?

Sl. No. Name of Component




1.5.4 Identify the CAT-5/CAT-6 Cables and Connectors and uses?

CAT-5/CAT-6 Cable Use

1.5.5 Identify the different types of Copper Cable used for local loop?

SN Copper Cables

1.5.6 Identify the different types of feeder Cable used in Radio Communication? Sl. No.

1.5.6 Write down the different types of Antenna used for transmission?

Sl. No. Type of Antenna




1.5.7 Identify the different Types of Optical Fiber Cables?

OF Cable Type Use

1.6 Learning Outcome :( to be filled by participants)

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1.7 Self-Assessment:

(1) Waveguide is used for more than …. transmission.

(a) 2 GHz

(b) 2 MHz

(c) 2 KHz

(d) 200 Hz

(2) Full form of DDF

(a) Digital Distribution Frame

(b) Data Digital Frame

(c) Data Distribution Frame

(d) Digital Divide Frame

(3) Parabolic antenna is generally used for ………

(a) Point to point Microwave communication

(b) Point to multi-point Microwave communication

(c) GSM BTS

(d) None of these

(4) For high speed communication which of the following is the best medium?

(a) Copper wire

(b) Microwave

(c) Optical Fiber Cable




(d) Co-axial Cable

(5) Which one of the following is not a part of DDF

(a) Jumper

(b) Tag Block

(c) U-Link field

(d) PCB

(6) The connector used in CAT-5 cable is

(a) RJ-11

(b) RJ-45

(c) BNC

(d) RJ-100

(7) Which one of the following is not a type of Copper Cable in Telecom

(a) Primary

(b) Secondary

(c) Tertiary

(d) Distribution

(8) Tight Buffer tube OFC is used in

(a) Indoor application

(b) Outdoor application

(c) Both (a) and (b)

(d) None of the above

(9) Aerial OFC is used in

(a) Every where

(b) In hilly areas

(c) In sea.

(d) For satellite communication.

(10) Submarine OFC is used in

(a) Every where

(b) In sea

(c) In hilly area

(d) For satellite communication


EETP/BSNL Silver Certification Course Page 1 of 4


JOB AID-2 (W1/S2)


Registration Number:…………………………………………….

2.1 Title: Identification of different types of Transmission System and their

Applications

2.2 Objective:


a) Identify the different types of Transmission media like PDH,SDH, Radio

Systems, VSAT etc

b) Understand the Network Architecture and application of different

Transmission System.





FDF

PDH/SDH System

Radio System/VSAT

2.5 Exercise:

2.5.1 Standard Installation practice used for equipment to be taught (if applicable)

like:





• Powering ON



• Testing


2.5.3 Locate the position of FDF and describe the following?

Full Form of FDF

Application of FDF

Type of connector used

Locate the position of

Pigtail & Patch cord

Locate Equipment and




Cable side

2.5.4 Write down the different Types of PDH System? SN Types of PDH Systems Capacity of PDH Sys

2.5.5 Identify the different types of Network Elements of SDH System and their

uses?

SN Name of Network Element of SDH

SYS

Uses

2.5.6 Visit to other transmission systems?

SN Name of System Channel Capacity Application/Use





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2.7 Self-Assessment

(1) PDH stands for …………………..

(a) Presynchronus Digital Hierarchy

(b) Plesiochronous Digital Hierarchy

© Permanent Digital Hierarchy

(c) Permanent distribution Hierarchy

(2) FDF stands for ………………

a. Fiber Distribution Frame

b. Fiber Digital Frame

c. Fast Distribution Frame

d. Full Digital Frame

(3) Which one is PDH system

(a) 8 Mbps

(b) 16 Mbps

(c) 32 Mbps

(d) 64 Mbps

(4) Which one is E4 of PDH

(a) 140 Mbps

(b) 155 Mbps

(c) 256 Mbps

(d) 565 Mbps

(5) Which of the connecter used for termination of 34 mbps in PDH at DDF…..

(a) FCPC

(b) Co-axial

(c) 120 ohm cable


(6) Which one is not the Network Element of SDH

(a) TM

(b) ADM

(c) Regenerator

(d) ROADM

(7) TM is used in which Topology




(a) Point to point

(b) Ring

(c) Mesh

(d) All of the above

(8) Which type of antenna is used for point-to-point M/W system ………..

(a) parabola

(b) Yagi

(c) isotropic

(d) none of these

(9) Antenna Size is more than 5 meter is installed …..

(a) At Hub

(b) At subscriber premises

(c) Both of above

(d) None of above

(10) What is the full form of VSAT

(a) Variable speed aperture terminal

(b) Variable size amplitude terminal

(c) Very small aperture terminal

(d) Very sensitive aperture terminal




JOB AID-3 (W2/S1)



3.1 Title: Identification of different types of Optical connectors & components used in

Optical Fiber Systems and their applications.

3.2 Objective:


a) Identify the different types of Optical Fiber connectors used in FDF/FDMS

and in System.

b) Understand application of different optical components.


[*In training locations where the required equipment / set-up is not available, the same

will be carried out through field visit]


Different types of Optical Connectors & components.

FDF/FDMS

PDH/SDH/DWDM System


like:





• Powering ON



• Testing


3.5.3 Write down the components of Optical Fiber Cable?

1

2




3

4

5

3.5.4 List down the items/objects related to OF Network and their use?

Name of Item Use

3.5.5 Identify the different types of Optical Connectors and their applications?

Connectors Connector Type Applications

3.5.6 Locate the different Optical Component and their Connectivity in PDH/SDH

System?

S. No. Name of Optical Component Applications

1 Transmitter card

2 Receiver card




3 LASER

4 APD

5 Pigtail/Patch Cord Connectivity


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3.7: Self-Assessment:

(1) Which one is information carrying part in OFC communication

(a) Core

(b) Cladding


(d) None of these

(2) Which one of the following is not a component of OFC

(a) Buffer tube

(b) Strengthening Fiber

(c) Cable Jackets

(d) Jumper wire

(3) Which of the following statement is true

(a) In OFC information is travelling as light signal

(b) In OFC information is travelling as electrical signal

(c) Both (a ) and (b) are true

(d) Both ( a) and (b) are false

(4) TJB stands for ………………………..

(a) Trunk Joint Box

(b) Termination Joint Box

(c) Trunk junction Box

(d) Termination junction Box

(5) FC-PC is …….

(a) Full connector- Personal Connector




(b) Frame connector – Physical connector

(c) Ferrule connector – Physical connector

(d) Fiber connector – Physical connector

(6) SC is ……………..

(a) Square connector

(b) Spare connector

(c) SDH Connector

(d) Synchronous connector

(7) Which of the following is false

(a) Patch cord is tight buffer tube cable

(b) Pigtail is used for indoor application

(c) Both ends of pigtail is having connectors.

(d) Patch cord is used for indoor application.

(8) What is the function of Transmitter (Source)

(a) Optical to electrical conversion

(b) Electrical to optical conversion

(c) Both (a ) and (b)


(9) Example of Optical source is

(a) LD

(b) LED



(10) What is the function of APD

(a) Optical to electrical conversion

(b) Electrical to optical conversion



Digital Transmission System (DTS) Job Aid-4



JOB AID-4 (W2/S2)



4.1 Title: Multimedia of SDH

4.2 Objective:


a) Understand the concept of SDH Technology.




4.4 Set up/Equipment Required:

Multimedia of SDH (Use Window XP)

4.5 Exercise

4.5.1 Demonstration by faculty.

4.5.2 List down menus of Multimedia/CBT of SDH?

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4.5.3 Write down the missing items in frame structure?

4.6 Learning Outcome:( to be filled by participants)

………………………………………………………………………………………

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1 Time duration of STM-1 frame is …………. Microseconds.

2 No. of rows in STM-1 frame are …………

3 No. of columns in STM-1 frame are ………….

4 Bit rate of STM-1 is …………….

5 POH bytes are available in ……………………. column of STM-1 frame.

6 Payload capacity of STM-1 is …………… mbps

7 Calculate the bit rate of STM-1 with the help of frame structure.

8 No. of columns available for SOH in STM-1 frame are.

9 SDH is a global standard. (T/F)

10 SDH does not support 8 mbps PDH stream. (T/F)




JOB AID-5 (W3/S1)



5.1 Title: Network and Hardware Architecture of SDH

5.2 Objective:


a) Understand the Network and Hardware Architecture of SDH System.

b) Identify the different interfaces and Cards in each network Elements.





Different types of SDH Sys like STM-1/STM-4

STM-1 /STM-4 equipped with all cards

LCT /NMS for Cross Connection

5.5 Exercise 5.5.1 Standard Installation practice used for equipment to be taught (if applicable)

like:





• Powering ON



• Testing


5.5.3 Visit to SDH LAB and locate the different network Elements of SDH systems and

study the network topology (Linear/Ring) of the network elements?

Sl. No Name of NE Topology




5.5.4 Identify and locate the different cards available in SDH Network Element?

Sl.

No.

Slot No. Name of Card

5.5.5 Write down the function of different cards viz Power Supply, Line Card, control

Card etc?

Name of Cards Function




5.5.6 Identify & locate the different interfaces and connectors in each network

Elements viz NMS, Craft, Order Wire, Alarm, Clock Wiring Interfaces etc.?

1. …………………………………………………………………………..

2. …………………………………………………………………………..

3. …………………………………………………………………………...

4. ……………………………………………………………………………

5. ……………………………………………………………………………..


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1. A Red LED glow on the top of chassis in any NE indicates …………… alarms.

a. Critical b. Major c. Minor d. Deferred

2. Which type of cable is required for the termination of 2 mbps.

a. 120 ohm cable b. 75 ohm c. 600 ohm d. 50 ohm

3. ……… volt DC required for SDH systems.

a. 230 b. -48 c. 48 d. 50

4. ADM performs the function of …….

a. Regeneration b. add & drop c. termination d. all of

these

5. Transmitter & Receivers are available in ……………….. Card.

6. What type connector is used for NMS?

a. RJ45

b. RJ11

c. RS232

d. D Type

7. How many pins are available RJ45

a. 7

b. 8

c. 9

d. 10




8. Order-wire may be used between………………

a. Terminal to Terminal

b. Terminal to ADM

c. ADM to ADM

d. All of these

9. Which type of cable is used for termination of 2Mb.

a. Co-axial

b. PCM

c. Helix

d. Ethernet

10. Which type of cable is used for termination of 34MB.

a. Co-axial

b. PCM

c. Helix

d. Ethernet




JOB AID-6 (W3/S2)



6.1 Title: Software Configuration of SDH

6.2 Objective:


a) Login to the SDH SYS etc.

b) Create the cross connection at VC-12 level between different network

elements

.





Different types of SDH SYS like STM-1/STM-4


6.5 Exercise


6.5.2 Write down the steps for login to the System?

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6.5.3 Identify the different modules/boards/units through LCT/ NMS?

Position of Cards Name of the Module/Board/Unit




6.5.4 Write down the steps for Creation of cross connection at VC-12 level between

different network elements?

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6.7 Self-Assessment

Sl.

No.

Questions Choice 1 Choice 2 Choice 3 Choice 4

1. VC-12 supports………… 2Mb 34Mb 140Mb None of these

2. VC-3 supports…………. 2MB 34Mb 140Mb None of these

3. VC-4 supports………… 2Mb 34Mb 140Mb All of these

4. TUG-2 Supports………..

no. of 2Mb.

1 2 3 4

5. TUG-3 Supports…..2Mb. 21 22 23 24

6. Pointer is added at …… TU-12 TU-3 AU-4 All of these

7. VC-4 supports…140Mb One Two Three Four

8. PRC Stands for ……… Primary

ready clock

Previous

reference

clock

Primary

reference

clock

None of these

9. SSU stands for

……………………

Secondary

switching

unit

Secondary

supply unit

synchroni

zation

supply

unit

Synchronizatio

n switching

unit

10. High accuracy level clock

is ……………………….

PRC SSU SEC None of these




JOB AID-7 (W4/S1) Name of participant: …………………………………………….


7.1 Title: Software configuration in SDH- Alarm Management, Performance

management, Synchronization

7.2 Objective:


a) Indentify the different Alarms available on the rack

b) Check the different alarm using LCT/EMS/NMS

c) Monitor different performance parameter using LCT/EMS/NMS

d) Synchronisation of SDH Network

.





Different types of SDH SYS like STM-1/STM-4


7.5 Exercise

7.5.1 Demonstration by Faculty

7.5.2 Identify the different visual alarms available in SDH network elements?

Name of Alarms Color of Alarm

7.5.3 Check the different alarms with the help of LCT?

Name of Alarm Severity (Critical/ Major/

Minor /Reminder etc.)

Reason

LOS

AIS

LOF




Degraded Signal

7.5.4 Check the different performance parameter with the help of LCT/EMS/NMS?

Name of Parameter Value

ES

SES

UA

Tx Power

Rx Power

7.5.5 Write down the purpose of synchronization in SDH Equipment?

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7.5.6 Write down the some routine test of SDH System.

Frequency Name of Parameter P/S check, BER, US etc

Monthly A to B direction B to A direction

Tx Power (Ref. -2 Rx Power (Ref. - Tx Power (Ref. -2 Rx Power (Ref. -




to 3 dBm) 8 to -28 dBm) to 3 dBm) 8 to -28 dBm)

Half yearly ES SES UAS BBE


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7.7 Self-Assessment

Sl.

No

Question Choice 1 Choice 2 Choice 3 Choice 4

1 LOS stands

for…………………

level of

system

Loss of

section

Loss of signal All of these

2 LOF stands for

………………

Loss of frame Level of

frame

Length of

frame

none of these

3 Highest severity alarm is

……………...

Major Minor Critical None of these

4 AIS stand for……… Alarm

indication

signal

Alarm

interference

signal

All indication

signal

none of these

5 Severity of the Alarm

shown as …………..

Critical Major Minor All of these

6 STM Performance can be

viewed at…………level.

STM Port VC Tributary All of these

7 In Performance

Monitoring, ES stands

for……………

Error Section Errored

Seconds

Error Severity none of these

8 In Performance

Monitoring, SES stands

for……………

Severely

Errored

Section

Severely

Extra Seconds

Severely

Errored

Seconds

none of these

9 In Performance

Monitoring, UAS stands

for……………

Useful

Available

Seconds

Unified

Available

Seconds

Unavailable

Seconds

Unavailable

Section




10 In Performance

Monitoring, BER stands

for……………

Bit error rate Byte error rate Block error

rate

Bit error ratio




JOB AID-8 (W4/S2) Name of participant: …………………………………………….


8.1 Title: Visit and demo to Microwave Mini link /Microwave System/ Ku Band

VSAT System*.

8.2 Objective:


a) Identify the different M/W Systems and Mini-Links

b) Understand the Concept of Operation of M/W System and Mini-Links.

8.3 Venue/Site: Training Center/Field visit.




Different M/W Systems

Mini-Links

8.5 Exercise


like:





• Powering ON



• Testing


8.5.3 Identify the different types Radio Systems (DRS)/Ku band VSAT.

Name of Systems Operating band of Radio Equipment Channel Capacity




8.5.4 Write down the different components of any Microwave system/Ku band VSAT and their

uses?

Components Uses

8.5.5 Draw the General block schematic of Digital Radio Systems/Ku band VSAT

showing all important modules?




8.5.6 Write down the different component of Mini-Link and their PCM capacities?

8.5.5 Write down the maintenance schedule of Microwave system/Ku-band

VSAT.

Frequency Name of System

Microwave System/VSAT, parameter like P/S check, IF

level, RF frequency etc.

Daily

Weekly

Monthly

Quarterly

Half yearly


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8.7 Self-Assessment

Q.1. In M/W system the modulators are available …………..

a. indoor b. outdoor c. both a and b d. None of these

Q 2. 2Mb/s data rate stream terminate in the DDF with….. Cable

a. 120 Ω b. 75 Ω c. 50 Ω d. 600 Ω

Q. 3. Point to point Microwave systems require ……….




a. LOS b. Non LOS c. both a and b d. None of these

Q.4. The wave guides are used in …………..system

a. 600Khz b. 600Mhz c. 6 Ghz d. None of these

Q.5. The branching N/W used in Radio system …..

a. To combine and decombine RF signal b. to combine only RF Signals

c. to de-combine the RF signal d. None of these

Q. 6. Which type cable is used for Tx/Rx in Ku-band VSAT

a. RJ- 45 b. Cxl. C. RG-11 d. RJ-11

Q. 7. LNB is available in ……………….. in VSAT.

a. ODU b. IDU c. Both a & b d. None of these

Q. 8. Which type of antenna is used in Ku-band VSAT in remote earth station

a. OFF-Set feed b. Prime Focal feed c. Cassagegrain feed d. None of

these

Q. 9. In Ku-band VSAT system the cable length used in trans direction is …..

a. 15 M b. 20M c. 30M d. 5M

Q.10. The Ku-band VSAT hub station located at……

a. Sikandrabad b. Bangalore c. Thane d. both one &

three




JOB AID-9 (W5/S1)



9.1 Title: Visit and demo to DWDM System.

9.2 Objective:


a) Identify the different optical network element and boards

b) Understand the network architecture of DWDM.





OTM

OLA/OADM

LCT

9.5 Exercise


like:





• Powering ON



• Testing


9.5.3 Visit to DWDM Lab/Station Locate the different Optical Network Elements in

Lab and their purpose?

Rack No. Name of NE Purpose

1

2

3




4

5

9.5.4 Write down the different boards available in sub-rack of Network Elements?

OTM Name of Board

OLA

9.5.5 Identify and Write down the function of different board available in DWDM

System?

OTU/Transponder

OMU/Optical Multiplexer




ODU/ Optical Demultiplexer

OBA/Booster Amplifier

OPA/Pre-amplifier

OSC

9.5.6 Draw the Block Diagram of DWDM System?

9.5.7 Write down the some routine test of DWDM system.

Frequency Name of parameter like Power levels of signals etc.

Monthly OBA OUT

(Ref. Value Max

+20dbm)

OPA IN

(Ref Value -8 to

-3 dbm)

Quarterly OLA IN

Reference Value

-8 to -3dbm

OLA OUT

Reference Value

Max +20dbm

Half yearly Transponder IN

Power

Transponder Out

Power


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Sl.

No.

Question Choice 1 Choice 2 Choice 3 Choice 4

1 OTM Stands

for…………………

…...

Optical

Transmitter

Unit

Optical

Transponder

Unit

None of these All of these

2 OLA Stands

for…………………

…...

Optical Line

Amplifier

Optical Link

Amplifier

Optical Line

Attenuator

None of these

3 OBA is used at

………………..

TX RX Regenerator None of these

4 At receiver, Optical

……………Amplifi

er is used

Booster Pre Line Post

5 OSC Wavelength is

………………

1550nm 1565nm 1530nm 1510nm

6 ……………type

amplifier is used?

EDFA FDEA Raman TWSLA

7 OMU stands

for……………

Optical

Multiplexing

Unit

Optical

Maping Unit

Optical

Multiline Unit

None of these

8 …………..is used to

directly replace

optical regenerator?

OBA OPA OLA None of these

9 ……………is used

to separate different

wavelengths and

provides an online

monitoring

interfaces

OTM ODU OMU OSC

10 OSC stands

for…………………

Optical Signal

Connection

Orderwire

Section

Channnel

Optical

supervisory

Channel

All of these




JOB AID-10 (W5/S2)

Name of participant: ………………………………………………

Registration Number: ……………………………………………..

10.1 Title: Identification of different types of Optical connectors, Splitters, ONT’s

components of GEPON/GPON OLTE etc and their applications.

10.2 Objective:


a) Identify the different types of Optical connectors, Splitters, ONT’s

components of GEPON/GPON OLTE etc and their applications..

b) Understand application of Splitters, ONT’s, and to provide the various

services on GPON/GEPON Sys.

10.3 Venue/Site: Training Center/FTTH Station




a) Different types of Optical connectors

b) Different types of Splitters

c) Different types of ONT’s

d) GPON/GEPON OLTE


like:





• Powering ON



• Testing


10.5.1 Identify the different types of Optical Connectors and their uses for

GPON/GEPON Sys?

Name of Optical Connectors Use




10.5.2 Locate the different elements of FTTH N/W ?

Name of Item Use

10.5.3 Identify the different types of Splitters?

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10.5.4 Identify the different types of ONT’s and Interfaces available in ONT’s ?

ONT TPYE INTERFACE’S DEATAILS

10.5.5 Identify and locate the different cards available in GPON/GEPON SYS ?

Slot

No.

Name of Card Function of card




10.5.6 Identify the different Interfaces available in OLT and their purpose?

UP-Link Interface

Capacity Purpose

PON-Interfaces




10.5.7 Study the Network Architecture of FTTH N/W?


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10.7 Self-Assessment

1. In FTTx x stand for ………………

1) Point of termination of fiber

2) Point of origination of fiber

3) Both choice 1and 2

4) None of these

2. Technology Option available for FTTH Architecture

1) AON

2) PON

3) Both choice 1and 2

4) None of these

3. Passive optical Network (PON) is a ………………..

a) Point to Mulit point

b) Point to Point

c) Both choice 1and 2

d) None of these




4. In FTTH Network architecture optical splitter are used to enable a single optical fiber

to serve multiple premises ,typically ………?

1) 28

2) 30

3) 32

4) 36

5. On FTTH Network which Network element does not require power supply?

1) OLTE

2) ONT

3) Splitter

4) None of these

6. IN FTTH N/W for upstream which wave length is used ……………. ?

1) 1310 nm

2) 1490 nm

3) 1550 nm

4) I580 nm

7. IN FTTH N/W for down stream which wave length is used ……………. ?

1) 1310 nm

2) 1490 nm

3) 1550 nm

4) I580 nm

8. IN FTTH N/W for Cable –TV /Video which wave length is used ……………. ?

1) 1310 nm

2) 1490 nm

3) 1550 nm

4) I580 nm

9. IN FTTTH N/W Splitter(PON) Supports maximum distance …….?

1) 20 KM

2) 30 km

3) 40 km

4) 50 km

10. In FTTH N/W GPON Supports ………………………………….?

1) 1.25 Gbps down stream and 1.25 Gbps Upstream



4) None of these

11. In FTTH N/W GEPON Supports ………………………………….?




4) None of these

bsnl eetp course - job aid

Documents

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cable type use

different component

restricted circulation