Hi!
Syntax is correct. Can you please tell exact UPS model? Most probably it uses different protocol or protocol version. Also, please check that you can open COM1 with terminal application - just to make sure that no other apps holds it open.
Best regards,
Victor
Syntax is correct. Can you please tell exact UPS model? Most probably it uses different protocol or protocol version. Also, please check that you can open COM1 with terminal application - just to make sure that no other apps holds it open.
Best regards,
Victor