Ilan's long distance education utilizes T1 lines for its transmission. Professor Yu Chang-sung, who was in charge of planning this system, points out that a T1 line is the equivalent of twelve ISDN lines, so its visual data capacity should be quite adequate for use in long distance learning.
宜蘭的遠距教學採用 T1 線路傳輸，負責規劃該系統的台大工商管理系教授遊張松指出，T1 線相當於十二條 ISDN 線路，視訊的效果用在教學已經相當足夠。