Zhone Technologies IMACS-200 - Manual (Page 55)

System Operation 3-13
System Configuration and Operation Reinitializing the System
.
Figure 3-8.System Screen - Test and Debug.
Once here, enter ‘Z’ to zip the system, and the screen seen in Figure 3-9 will appear.
Figure 3-9.Cold-Start NVRAM “Zip”Test and Debug Screen.
WARNING!
Confirming the "Z" command will start the ZIP process. "Zipping" the system deletes all of
the information stored on NVRAM and resets it. All ports must then be completely
reconfigured. When the zip is performed, user names and password data will be maintained.