This Company Operates under "State Alarm Systems, Inc." and "State Alarm, Inc." Ohio Fire License # 53 50 1007, Florida Certification # EF20000780. About State Alarm. Fbii xl 2t manual pdf. Fbii xl 2t manual pdf Fbii xl 2t manual pdf DOWNLOAD! DIRECT DOWNLOAD! Fbii xl 2t manual pdf NOTE: Owners manual not to be removed by anyone but the occupant. The XL-2 is the Residential version of the which has been Listed by Under.XL-ZG User Manual - Page 2. You can turn the Burglar portion of your security system on A voltmeter shows 13.45V across the battery terminals when connected to the XL-2T and ~13.1V disconnected. So I start looking closely at the circuit board and notice that R30 has blown up. I tried Google'ing around to find schematics for the circuit board but came up empty. So I ask you experts out there. FBII XL2T Beeps when set. I recently installed a FBII XL2T to replace a FBII XL2 which had gone brain dead. Install and stand-alone programming seemed to go smooth. I then found that when the alarm was set the simple XL4600SM keypad has an ongoing beep sequence -- about 5 seconds delay, two short beeps close together and then repeats.