Hi Hakim if you could help by giving me some information about installing the BTS3012 I’m having problem like getting an alarm on the DDPU & DTRU & the DEMU & what I’m using is one DTRU for each DDPU & the alarms I getting it on my PC not on the unit the unit not showing any alarms this’s my first time Installing this type of BTS I have been installing the 312 before but this one is quite deferent so I will be nery glade if you could help me in that