There will be various type of problem , probably there will be link problem, problem in line-of-sight, if link side that is BSC side have any type of problem in IDU of Base side then Base side might have serious problem occurred. specify your problem, what type of problem you faced , then i can try give solution.
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Transmission between BTS and BSC.FIFA card contain only TNC male connector.
fifa is a transmission module,receives DC power from BTS through its backplane connectors; power consumption of a fully equipped FIFA is less than 76 w.
if flexbus is connected to another indoor unit, Flexbus power feed should be turned off
power feed is controlled with flexi hub manager
power feed is also indicated by the flexbus LED on the FIFA front panel
power feed is short circuit protected
8 * E1 / T1 interfaces balanced 120/100 ohm
1* RJ 48 connector per IF
When you find 7740 means beating BTS alarm at Bsc end.At that time run a cmd at same Bsc ZEOL::NR=7740; <HIST> CALBSC01 BCF-0030 EQUIPM 2011-11-24 03:35:02.45 (45498) 7740 BEATING BTS ALERM 8081 00 00 B5 01 02
You will see it on the same bcf but remember one thing that I marked there bold and underline style.This is the CODE..8081 MEANS LOSS OF FRAME ALINGMENT.Now you have to do the activity on the basis of code what you find there. This alarm activated due to any alarm repeats more than 20 times in a minute.When you rectified the issue it's cancelled automatically after few hours later. Vivek Kr. Shaw. Malda
Dear Young, if you get this message this is probably because of poor signals because cellphone sends signal to BTS which transfers data to BSC and it reaches the MSC and this is how it decodes itself on other side.
If you are getting this message your server is unable to send the message due to network congestion. You can try again later. If that is a continous problem and you are sure there is nothing wrong with signals you can check your text settings. Your message number could be wrong. You can call your helpline.