User's Manual

Telit GE863-QUAD / GE863-PY
Hardware User guide
1vv0300715, Rev. ISSUE#0, - 21/02/06
Reproduction forbidden without Telit Communication written authorization – All Right reserved – Right of modification reserved page 24 of 71
An example of level translation circuitry of this kind is:
The RS232 serial port lines are usually connected to a DB9 connector with the following layout: