User's Guide

HE863 Family Hardware User Guide
1vv0300891 Rev.5
- 2011-03-18
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights
Reserved. Page 85 of 89
Telit highly recommends that the customers should verify the
relating specification when they design.
But in general there will be no issue if above schematics were
made on the application board. All components are DNI but one
component should be reserved for each line because they may
need to debug in future.
HE863 Family modules already have internally 4.7kohm pull up
resistor on SIMIO line.