[oopic] Re: oSerialH on ooPIC-R, TTL-Level or true RS232?

> If the remote end is also 0-5V, then I would not need the inverter -
> is that correct?
>

Right! The DB-9 output is inverted and the remote end would need to
re-invert the signals.

HOWEVER, a regular level shifter MAY accept the 0-5V signals (it
usually will) and provide the inversion. Besides, it mistake-proofs
the system. So just use the level shifter at the remote end just as
though you were connecting to a PC.

REMEMBER, you will need a NULL MODEM cable. Pin 2 on the first end
connects to pin 3 on the second. Same for pin 3 on one first end
connecting to pin 2 on the second. Pin 5 common on both ends. Both
connectors to be DB-9 MALE.

Richard

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