1) is external oscillator XTAL1 &XTAL2 connection must needed ? 2) shall we proceed without oscillator for simple logialoutput

0 Answers   Jayam Engineering Works,

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Why do we use distinct polarisation (UL-H:DL-V) while uplinking and downlinking rather than same (UL-H:DL-H)?

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i want syllabus for section engnieer and previous year question papers

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Capacitors are mainly used in

9 Answers  

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i want to know fire safety factory purpose .. does fire mauual call point requires hooter or mcp has inbuilt siren...???

0 Answers   Sabnam Exports,

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What are the advantages of single phase bridge converter over single phase mid-point converter?

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State the de morgan's theorem?

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Which oscillator is best for general purpose?

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What is meant by pre-emphasis and de-emphasis?

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1. How many TRXs are supported in Nokia Metrosite 2. What is the command to lock the TRX 3. What is the command to unlock the BTS 4. What is the command from BSC to check the alarm in BTS 5. What is the maximum transmit power of FlexiEdge BTS 6. When Abis link is down, name the alarm that is generated at BSC 7. Orange LED on RRI card is glowing – what is the indication? 8. How many E1s are supported by one E1 card in BTS 9. How many ways one can login to BIO card? 10. What are the different data rates in Abis for Traffic, TRX signaling and OMU 11. BCSU card in BSC can support how many TRXs? 12. What is the command to check list of sites that are down? 13. How many TRX are supported when we use one M2HA card in BTS? 14. Name the different types of power supply card in BTS and the output power of each card 15. Ater interface is between transcoder and MSC – True/False 16. SS7 signaling is used in Abis interface – True/False 17. FlexiEdge BTS has RRI card – True/False 18. From Transcoder to MSC, data rate for each call is 64Kbps – True/false 19. Name different types of TRXs which supports different GSM bands 20. ODU LED shows orange – what is the significance?

0 Answers   Nokia,

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interrupt controller

0 Answers   GAIL, ONGC,

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draw the interface diagram of 8085 microprocessor having input ports at 23H, 2FH, EFH, and output ports at 44H, 2FH, EFH, and FFH using NAND gates only.

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