Useful for field installations and projects where RS232 serial is coming from something other than a DB9 cable. Serial Communication - Basic tutorial on serial communication implemented on logic-level ...
BUELEC DB9 Female and Male In a Breakout Board, Easy Transfer DB9 9PIN Signal to Terminal Breakout Board BUELEC DB9Female/MaleDB9 Compatible with RS232/RS485/CAN/RS422 Serial Cable with DB9 Female ...