ZyWALL 2 Plus_4.04(XU.11)C0.zip June 2, 2014 Operating system Unknown OS File type Firmware Version 4.04(XU.11)C0 32-bit
ZyWALL 2 Plus_4.014.01.pdf June 2, 2014 Operating system Unknown OS File type Manual Version 4.014.01 32-bit