3com MSR 20-20 참조 매뉴얼

clock summer-time zone-name repeating start-time start-date end-time end-date 
add-time

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zone-name: Name of the daylight saving time, a string of 1 to 32 characters.

start-time: Start time, in the format of HH:MM:SS (hours/minutes/seconds). The 
zeros in the argument can be omitted except for indicating 0 hours.

start-date: Start date which can be set in two ways:

■

Enter the year, month and date at one time, in the format of MM/DD/YYYY 
(months/days/years) or YYYY/MM/DD.

■

Enter the year, month and date one by one, separated by spaces. The year 
ranges from 2000 to 2035; the month can be January, February, March, 
April, May, June, July, August, September, October, November or 
December; the start week can be the first, second, third, fourth, fifth or 
last week of the month; the start date is Sunday, Monday, Tuesday, 
Wednesday, Thursday, Friday, Saturday.

end-time: End time, in the format of HH:MM:SS (hours/minutes/seconds). The 
zeros in the argument can be omitted except for indicating 0 hours.

end-date: End date which can be set in two ways:

■

Enter the year, month and date at one time, in the format of MM/DD/YYYY 
(months/days/years) or YYYY/MM/DD.

■

Enter the year, month and date one by one, separated by spaces. The year 
ranges from 2000 to 2035; the month can be January, February, March, 
April, May, June, July, August, September, October, November or 
December; the end week can be the first, second, third, fourth, fifth or 
last week of the month; the end date is Sunday, Monday, Tuesday, 
Wednesday, Thursday, Friday, Saturday.

add-time: Time added to the current standard time, in the format of HH:MM:SS 
(hours/minutes/seconds). The zeros in the argument can be omitted except for 
indicating 0 hours.

Use the clock summer-time repeating command to adopt summer-time 
repeatedly.

Use the undo clock summer-time command to cancel the configuration of the 
daylight saving time.

For example, when start-date and start-time are set to 2007/6/6 and 00:00:00, 
end-date and end-time to 2007/10/10 and 00:00:00, and add-time to 01:00:00, it