Eaton i-on series Engineering Manual page 20

Introduction
Notes:
1. Shared between expanders and keypads. The i-on16 can have two keypads and
the i-on40 four keypads. Neither the i-on16 nor i-on40 can use expanders.
2. Two per expander for i-onEX control units.
3. In partition mode. Each partition has one part set within it.
4. i-on40: Either 16 in FSL mode OR eight in 4-wire CC mode. 24 radio zones.
5. i-on16 and i-on40 have four wired outputs. The i-on16 has four radio outputs while
the i-on40 has eight. All –EX control units have radio outputs provided by EXP-
R10/EXP-R30 expanders and 762r, 768r or 769r receivers.
6. The i-on30EXL can take one 17Ah battery.
Page 10
i-on Range