... capacity data EEPROM, can store fault, alarm, on/off and event information by category.4. Reserved RS232 Micro printer interface. ... mode: HBUS bus Signal transmit distance:≤1500m (2.5mm2 ×4)Output: four groups of programmable outputs Contact capacity: 2A/ ... ,XE3112SL,XE3112SWL,XE3112H,XE3122,XE3123, XE3124,XE3125, XE3126Our system diagarm addressable electrical fire alarm system for mostly 512 points