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¿µ¹®Ç¥Áظí Conformity Assessment Test Methods for Cable Television Terminal Equipment
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µîÀÇ ¼¼ºÎ »çÇ×Àº ºÎ·Ï IÀÇ [3]À» ÁØ¿ëÇÑ´Ù.
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ÇÑ´Ù. ´Ü, º» Ç¥ÁØ¿¡¼­´Â CableCARD¸¦ »ç¿ëÇÏ´Â ´Ü¸» ÀåÄ¡ÀÇ Á¦ÇÑ ¼ö½Å ±â´É¿¡ ´ëÇÑ ½Ã
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¿µ¹®³»¿ë¿ä¾à This standard specifies detailed test methods and considerations in each test
procedure for terminal equipment connected to CATV facility to test input and
output characteristic of downstream, modulation method, output level, output
impedance, return loss and spurious of upstream channel having an ATM sell
structure. But the concrete test procedures and performance criteria of upstream
channel with IP packet structure for data communication terminal equipment
connected to CATV facility is referred to [3] in Appendix I.
Also, in this standard, in order to test conditional access function of terminal
equipment not adopting CableCARD, this standard presents test methods and
procedures for confirmity assessment of terminal equipment which complied with
[4] in Appendix I. But this standard dose not deal with the test methods for
conditional access function of terminal equipment not using CableCARD.
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