why -48 v is given to bts?
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Answer / malik muhammad mehran
we can use +48 but the lightning has -ve charge due to attraction all the network may destroy so we use the -48 which repel the lightning that make the network safer from great destruction...
| Is This Answer Correct ? | 27 Yes | 3 No |
Answer / lalit narayan mahto
the first region,
all the electrical surges and noises are
+ve in nature, when we give -ve polarity then negative
supply nutralies these noises & surges thus reducing false
triggering effect.
the second region,
By usig negative polarity the cable does'nt
rusted or oxidized thus remains for longer life, but cable
dia get reduced in 15 to 18 month, so cable will be change.
| Is This Answer Correct ? | 16 Yes | 2 No |
Answer / sangam shukla
To prevent the equipments from lightning strokes. Because the cloud is negatively charged at bottom it requires a zero or a positive potential to discharge, and it selects the ground (Zero potential) to discharge. If the Telecom Equipments are fed with positive the cloud will choose the low resistance tallest positively charged Antenna's to discharge, this could damage the entire setup of Telecom equipments. So the Telecom equipments are fed with Negative supply Voltage
| Is This Answer Correct ? | 16 Yes | 2 No |
Answer / bhargav shankhalpara
IN BTS -48V IS USED RESION BEHIND IT IS THAT
When
interference is occur in voltages it affect only positive
pulse not in negative terminal so if we make positive
common then no interference occur And we get pure -48 volts
without any interference.
“Because 2 terminal comes out from the battery and
through red wire we ground the +ive terminal so that
possibility of noise interference will get zero....noise
occur only in the +ive terminal.....that’s why we use -ive
voltage.
“
| Is This Answer Correct ? | 14 Yes | 4 No |
Answer / vinay kumar pandey
-48v is given to bts because in this voltage noise generation is minimum.
| Is This Answer Correct ? | 0 Yes | 2 No |
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