Scantronic i-on160EX Series Wired Expander is approved to be used as part of a security grade 2 or 3 system. Providing installation flexibility with ten zones on board and suitable for a range of FSL values, two and four wire CC compatibility. This expander work with the i-on EX range, i-on30R and i-on40H intruder detection systems and reduce the maintenance time required with a device locate feature that utilises an onboard piezo sounder and also benefits from full diagnostics and fault reporting via the bus.