Page 6Chapter 1: Introduction to i-on10The i-on10 control unit is a grade 2, 10-zone control unit for wired detectors and up to fourkeypads. The control unit has been designed to satisfy the most demanding requirementsof alarm-systems professionals for domestic and small commercial applications, and isboth easy to install and robust.Summary of featuresThe i-on10 features: Grade 2 compliance. On-board connections for up to 10 wired zones, a wired siren/strobe unit, externalloudspeaker, and one open-collector output. An RS485 bus for connecting up to four keypads. One 8-output plug-by do port. Support for one full-set level and up to three part-set levels. Metal case, fitted with a 1A power supply and space for a 12Vdc 7Ah backup battery. Back and lid tamper switches. Support for up to 10 users.Note: The maximum number of on-board zones is for Fully-Supervised Loop (FSL) or2-wire Closed Circuit (CC) wiring. If 4-wire CC wiring is used, the maximum number ofon-board zones is halved, unless an optional ADP-10CC board is fitted.The i-on10 is a member of the i-on range of control units. Table 1 specifies the featuresand system limits for each control unit in the i-on range.