The software version on your computer must strictly match the firmware version running on your SV9300 hardware cabinet. For instance, running a Version 9.4 hardware system often requires the corresponding V9.4 PCPro application to communicate properly.
Contact your NEC distributor. They can re-generate the link or upload the file to an SFTP site for you. nec sv9300 pcpro download
Partially. Each NEC platform has its own variant. SV9300 PCPRO is not fully compatible with SV9100 or SV9500. Do not attempt cross-flashing. The software version on your computer must strictly