Rainbow Electronics GM862-QUAD-PY User Manual
Page 33
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GM862-QUAD / PY Hardware User Guide
1vv0300748 Rev. 5 - 20/09/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 33 of 68
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:
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