Comtech EF Data MBT-5000A Installation And Operation Manual page 51

For additional help with "zipped" file types, refer to the help files provided with
the "PKZIP for Windows", "WinZip", or "ZipCentral" file archiving programs.
"PKZIP for Command-line" is not supported due to file naming conventions.
To verify the correct firmware number, see Step 2(D) in Sect. 4.3.1 Getting Started: Prepare
for the Firmware Download.
Upgrading Firmware
MBT-5000A L-Band Up/Down Converter System
4–2
Revision 1
MN-MBT-5000A