Doc. # 1-0003273
Date Updated 04-27-2007 Date Created 07-27-2000
Document Type Knowledge Base Related OS
Related Product
How to connect external power supply for ADAM-4540 if RS-232 lines don't provide power?
Solution:
ADAM-4540 is normally driven with RS-232 +/-12V signal lines like RTS and DTR. If user like to connect external power supply, he can connect +12V to pin 4 DTR and pin 7 RTS of the ADAM-4540 DB-9 RS-232 connector.