User's Manual

Telit GM862-QUAD/-QUAD-PY
Hardware User Guide
1vv0300692, Rev. ISSUE#0, - 04/10/2005
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved page 20 of 69
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: