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Tamper Switch and Zeroization
ETEP Installation Guide 69
Figure 49 Correctly inserted and latched power supply is shown on the left. Note the
position of the release levers.
6 Replace the power supply bracket (Figure 46).
7 Insert the power cord in the replacement power supply.
8 Reconnect power supplies 1 and 2 to their respective power sources.
9 Return the failed power supply to Black Box as directed by Customer Support.
Tamper Switch and Zeroization
The following ETEP models include a tamper switch: ET0010A, ET0100A, ET1000A, and ET10000A.
The switch is activated if the ETEP cover is removed while the unit is operating or if the ETEP detects
that the cover is open while it is booting. When the ETEP detects that the switch is activated it enters an
error state, zeroizes the appliance’s keying material, and discards all traffic. Zeroization has the same
effect as issuing the filesystem-reset command.
The following events occur when the ETEP is zeroized:
• Alarm LED illuminates
• The ETEP sends a critical error trap
• The ETEP discards all packets that it receives on the local and remote ports
• Ethernet management port communication is disabled. You will be unable to manage the ETEP using
EncrypTight Manager.
• CLI login is disabled via the serial port and Ssh
• Data files are permanently deleted, including log files
• The file system is reset to factory defaults
The zeroization process takes about 20 minutes to complete.