{}

Our Brands

Search FAQs

NMC 3 does not establish communications if local CLI session is active during reboot

Issue:
The Network Management Card 3 (NMC 3) does not establish communications if a local   Command Line Interface (CLI) session is active while the card is rebooting. When the card has completed its reboot process, the following message is displayed:
Unable to open connection to COMx, Unable to open serial port.

Product:
Network Management Card 3 (AP9640, AP9641)

Environment:
Windows operating systems connected to NMC via the USB serial console cable and a terminal program

Solution:

Use Tera Term 4.100 as your terminal program. Alternatively, unplug and re-plug the USB serial console cable to regain communications.

APC Israel

Explore more
Range:
Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Explore more
Range: