24How to use the terminals of the ALARM INALARM IN terminals on the back are used to connect the alarm devices such as sensors, door switches, etc.Insert the unarmored cable into the provided terminal plug (16 pin) and then mount it on the ALARM IN terminal on the back.* The cable should be a single or twisted wire with AWG 26~16 and an exposed length of 9 mm {11/32 inches}.* Tie cables of the ALARM/CONTROL connectors and of the ALARM IN connectors, and fix them with the cable clamp (provid-ed). Refer to "Major Operating Controls and Their Functions"of the Important Information for further information.ConnectionsTerminal plug (16 pin)A1 (B1) sideALARM IN terminal onthe back B1 A1B16ALARM INA16② Tight the screw when the cable isfully inserted into the terminal hole.① Loosen the screw of the desiredterminal on the terminal plug.③ Mount the terminal plug with thecable connected on the alarminput terminal socket on the back.Pin arrayPin No. Signal Operation RemarksA1 Alarm input 1Event action will be performed according to thesettings Non-voltage make contact inputA2 Alarm input 2A3 Alarm input 3A4 Alarm input 4A5 Alarm input 5A6 Alarm input 6A7 Alarm input 7A8 Alarm input 8A9 Alarm input 9A10 Alarm input 10A11 Alarm input 11A12 Alarm input 12A13 Alarm input 13A14 Alarm input 14A15 Alarm input 15A16 Alarm input 16B1 Alarm input 17B2 Alarm input 18B3 Alarm input 19B4 Alarm input 20B5 Alarm input 21B6 Alarm input 22B7 Alarm input 23B8 Alarm input 24B9 Alarm input 25B10 Alarm input 26B11 Alarm input 28B12 Alarm input 28B13 Alarm input 29B14 Alarm input 30B15 Alarm input 31B16 Alarm input 323 Connections (continued)