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Directorate of Communications and ElectronicsExchanges Branch

Final Result: ( of 100% )

Position:Hicom 150 CourseQuizzes: ( of 10% )

Exam : ( of 70% ) Final ExamDate : Thursday 21 Feb 2008Practical Implementation: ( of 20% )

Unit: ( )Name: ( )

Number: ( )

Q1: Choose The One Correct Answer A, B, C, or D : The voice frequency range of Human being is:A: 300KHz to 3400KHz B: 300Hz to 3400KHz

C: 0.300KHz to 3.400KHz D: All of the above

In the telephone PCM system the sampling rate would be:A: 8 Kbytes/sec B: 8000 Bit/sec

C: 8 106 Hz D: None of above

What the sampling rate would be if the time intervals was 62.5 sec:A: Higher than 8 10

3 Hz B: Less than 8 103 Hz

C: 8 103 Hz D: None of the above

The mother board supports:A: Twelve Built in Stations B: 4 SLU

C: 8 SLA D: All of the above

Hicom150E OfficeCom is considered:A: Mechanical exchange. B: SPC exchange.

C: Electromechnical exchange. D: None of the above.

OptiSet E Memory is connected to the exchange by:A: Fiber Cable. B: Coaxial Cable.

C: Two Couples of Copper Wire. D: None of the above.

The output of the power supply \ charger is:A: -48VDC. B: 75VAC.

C: 54VDC. D: none of the above.

The 5.1 VDC which comes out of the power supply is to feed the:A: CMOS IC's B: RingerC: Extension circuits D: All of the above

To restart the exchange manually, you have to press on the restart switch and hold up to:A: Eight seconds. B: Less than eight seconds.

C: More than eight seconds. D: Non of the above.

The default code of the attendant is:A: 9. B: 0.

C: 80. D: None of the above.

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Q2: Please Mark ( ) Before The Correct Sentence, And ( X ) Before The Wrong Sentence.1. ( ) We can prevent the subscribers in the same exchange form having the external lines using

Call Barring Menu program

2. ( ) The trunk line code cannot be changed.

3. ( ) The mother board of the hicom150 supports ISDN E1/PRI.

4. ( ) Hicom150E is considered one of Ricoh's industries.

5. ( ) 75 VACwith 25Hz is the needed voltage and frequency to make the Optiset-E-memory rings

6. ( ) The first step in programming should be initializing the exchange by the international or

Sweden initialization.

Q3: Complete the following Sentences:

1. PABX stands for

2. 8 SLU Board Supports

3. 16 SLA Board Supports.

4. The mother board supports and

5. 8 TLA Supports

6. UPS stands for

7. Lithiumbattery used for..

Q4: Write down the color of the twisted pairs below, using the international color code arrangements.

Pair No. Colors Pair No. Colors

1. & 9. &

18. & 26. &

3. & 11. &

20. & 28. &

5. & 13. &

Q5: Name the following components and what is the right numbering of the slots: