Product(s) affected: DCN-CCU, DCN-WCCU, (not DCN-CCU2)
Version(s): all versions
Downloading firmware over the serial cable can be tricky, this document gives further information on the required equipment and settings for the serial connection and the system.
The following are a list of potential solutions when connecting to the CCU or WCCU to upgrade the system firmware:
If the system is communicating on the RS232 port and the CCU/WCCU is freezing up (failing) during a download, then try the following switch setting.
Note: Refer to the manual (IUI_DCN_en.pdf) for version 3.1x for details where to find the DIP switches mentioned in this article. The manual is found on the DCN-NG software ISO.