The line group admin status - 'up' status is when the group is in use and the lines in the group can become active. In this state, line parameters may not be changed. - 'down' status is set to down the entire line group. A redundant switch does not occur and in the down state line group parameters may be cahnged and the entire line group may be deleted. - 'lockAtive' status is set to allow the inactive member of the line group to be modified. In this state the active line is uneffected, however, if an error occurs on the active line that would result in a redundant switch, the switch will not occur.