Amazon.com: MOXA NPort IA-5250-2 Ports RS-232/422/485 Serial IA Device Server, 10/100 Ethernet (RJ45) : Electronics
MOXA NPort 5410 w/Adapter - 4 Ports RS-232 Serial Device Server, 10/100 Ethernet, DB9 Male
Amazon.com: MOXA NPort 6450-4 Port RS-2332/422/485 Secure Terminal Server : Electronics
When I use the NPort Administrator tool on a Windows 7 system, I do not have the access rights to alter the COM port settings. What could be the reason?