ATTO Technology SC 5550E Installation And Operation Manual page 80

WrapEventLog
WrapEventLog is used to enable/disable event log wrapping.
When enabled, 2048 event entries will be logged before
wrapping. When disabled, event logging will cease when the log
buffer is full.
set WrapEventLog [enabled | disabled]
get WrapEventLog
Zmodem
Zmodem uses the ZMODEM protocol to transfer a file via the
RS-232 port. The filename to retrieve is required if the 'send'
option is specified.
Usage: Zmodem [[send [filename]] | receive]
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