Protects the system from unauthorized access if exposed to the internet via D-NAT or other router settings.
Ensure firmware files are extracted completely from .zip formats before uploading. The SL1000 will reject compressed archives. nec sl1000 firmware upgrade
: Open the sub-cover of the Main KSU and insert the CF card into the "Memory Card Slot" on the PZ-VM21 daughterboard. Force Boot : Locate the on the CPU card. Press and hold the S1 switch while turning the AC power switch back Protects the system from unauthorized access if exposed