... terminalsControlling Equipments :PTZ decoder, Keyboard ,data interface of Matrix, High speed dome camera, industrial equipmentsInterface Signals: RS-485(2 lines),RS232,RS422 and ... : GBl8802.1,lEC61643-1Other feature: large flow (10~20KA), high speed reaction (1~25ns)Power requirementInput voltage: common use 24DC(9 ...