eric9547 0 Posted May 31, 2008 I recently found out i dont have a rs232 port on my computer which is required for ptz. Are ther any reliable pci cards that have it? Anyone have any experiance with conversions to it. Share this post Link to post Share on other sites
Soundy 1 Posted June 2, 2008 I've had no problems using an ATEN USB-to-Serial adapter cable. Works on both my laptops and with a variety of DVRs I've used them on. Should be available for $15-$20. Share this post Link to post Share on other sites
eric9547 0 Posted June 2, 2008 I've had no problems using an ATEN USB-to-Serial adapter cable. Works on both my laptops and with a variety of DVRs I've used them on. Should be available for $15-$20. Thanks! Share this post Link to post Share on other sites