フレッツ・テレビの簡易品質測定ツール 「RFチェッカー2」の紹介
Contents
1. 3 a OK NG TV BS CS 5ST 00 s I _T i 58 4dBuY 0 0e 0 0 0e 0 21 1 a 3 76 NTT 2012 10 32. BER BER 4 1 165 mm 122 mm RF CRECNER2 2 RF 2 _ dBeW 77 6 82 2 ok WB 69 0 0 0e 0 0 0e 0 29 7 OK WE 66 8 0 4 0 0e 0 28 7 OK 69 1 0 0e 0 0 0e 0 19 5 OK WE Y D 1
3. RE 2 5 RF 2 BER BER BER 4 1 RF 2 im 29 165 mm W x51 mm D x122 mm H 700g 2 40 100 dBuV 34 100 dBuV 75 O F mini USB AC
4. RF 2011 10 2012 3 BS19ch 21ch 23ch RF 2011 7 RF 2 REF FM 2 BS e2 WDM 2 1
5. NTT V OLT Video Optical Line Terminal GE OLT Gigabit Ethernet Optical Line Terminal WDM 1 GV ONU GV Optical Network Unit TV 2008 7 2009 RF 600 RF
6. 1 NTT Vol 23 No 1 pp 58 59 2011 NTT TEL 03 5480 3702 FAX 03 5713 9125 E mail gikyo ml east ntt cO jp
7. 1 HF NTT RHF RF NTT NTT BS 1 HE Headend
8. USB AC NTT 2012 10 2 HF 2 RF STB Set Top Box 5 RF F M BS19ch 21ch 23ch REF 2 FM RF 2 78 NTT 2012 10
9. AC AC100 V HF HF RF 2 RF 2 RF F M BS BER BER BER BER
10. NTT 2012 10 75 2 2 HF RF 2 BER Bit Error Rate CNR Carrier to Noise Ratio FM BS 1 e2 110 CS SD 1 HD E OK NG AC RF 2 1
11. X X Xx Xx x Xx O Xx Xx Xx 700 g 350 g RF 2 RF 2 RF 2 2012 4 2012 9 14
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