Enterasys N Standalone (NSA) Series Configuration Manual page 92

General Configuration Command Set
Setting Basic Device Properties
Example
This example shows how set daylight savings time to recur start date of April 4, 2004 at 2 a.m. and
an ending date of October 31, 2004 at 2 a.m. with an offset time of one hour:
Matrix(rw)->set summertime recurring first Sunday April 02:00 last Sunday
October 02:00 60
2-66 Matrix NSA Series Configuration Guide