Oct 12, 2007 #1 K Keisuke Newbie level 3 Joined Sep 11, 2007 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,299 anyone know how to test whether the RS232 cable is a null modem cable?? wat tools do i need?? thanks alot....
anyone know how to test whether the RS232 cable is a null modem cable?? wat tools do i need?? thanks alot....
Oct 12, 2007 #2 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Try to use simple ohm-meter with buzzer (short circuit) and check your cable agaist one of possible options from this URL: https://www.lammertbies.nl/comm/info/RS-232_null_modem.html Regards, IanP
Try to use simple ohm-meter with buzzer (short circuit) and check your cable agaist one of possible options from this URL: https://www.lammertbies.nl/comm/info/RS-232_null_modem.html Regards, IanP