JP5058075B2 - Pon放送方法 - Google Patents
Pon放送方法 Download PDFInfo
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- JP5058075B2 JP5058075B2 JP2008150159A JP2008150159A JP5058075B2 JP 5058075 B2 JP5058075 B2 JP 5058075B2 JP 2008150159 A JP2008150159 A JP 2008150159A JP 2008150159 A JP2008150159 A JP 2008150159A JP 5058075 B2 JP5058075 B2 JP 5058075B2
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- branch
- station
- amplifier
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Description
2 OLT(局内装置)
23 2入力4分岐カプラ
3 放送機器アンプ(アンプ)
33 1入力2分岐カプラ(分岐手段)
41 ONU(ユーザ装置)
42 V−ONU(ユーザ装置)
43 WDMフィルタ
5 減衰器
6 光ファイバ
61 分岐光ファイバ(光ファイバ)
7 16分岐カプラ(分岐装置)
C 局舎
H ユーザ宅
Claims (1)
- 局内装置側とユーザ装置側とをつなぐ光ファイバの途中に分岐装置を設け、該分岐装置を介して複数のユーザ装置を接続し、さらに、放送信号の送信レべルを増幅するアンプを前記局内装置の局舎内に設け、該アンプで増幅した放送信号を前記局内装置に送信し、前記分岐装置を介して複数の前記ユーザ装置に送信するPON放送方法において、
前記局内装置と分岐装置との間に、前記局内装置側からの信号を分岐する分岐カプラを前記局舎内に設け、
前記アンプから出力された放送信号を分岐する前記局舎内の分岐手段を介して、前記アンプの出力ポートを前記分岐カプラの入力ポートに接続した構成とし、
前記局舎内が該構成でユーザ装置における放送信号の受信レべルを測定して、該受信レべルが予め設定された上限値よりも大きい場合には、前記分岐カプラの出力ポートを減衰器を介して前記光ファイバに接続し、前記受信レべルが予め設定された下限値未満の場合には、前記分岐手段を介さずに前記アンプの出力ポートを前記分岐カプラの入力ポートに接続する、
ことを特徴とするPON放送方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008150159A JP5058075B2 (ja) | 2008-06-09 | 2008-06-09 | Pon放送方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008150159A JP5058075B2 (ja) | 2008-06-09 | 2008-06-09 | Pon放送方法 |
Publications (2)
Publication Number | Publication Date |
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JP2009296486A JP2009296486A (ja) | 2009-12-17 |
JP5058075B2 true JP5058075B2 (ja) | 2012-10-24 |
Family
ID=41544208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008150159A Active JP5058075B2 (ja) | 2008-06-09 | 2008-06-09 | Pon放送方法 |
Country Status (1)
Country | Link |
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JP (1) | JP5058075B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5315282B2 (ja) * | 2010-04-01 | 2013-10-16 | 株式会社日立製作所 | 受動光網システム |
JP7239812B2 (ja) * | 2019-02-01 | 2023-03-15 | 日本電信電話株式会社 | 光伝送システム、及び出力調整装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11136192A (ja) * | 1997-10-24 | 1999-05-21 | Nec Corp | Pds方式の光通信システム及びその通信方法 |
JPH11355750A (ja) * | 1998-06-03 | 1999-12-24 | Nec Corp | 光catvシステム |
KR100557145B1 (ko) * | 2004-02-03 | 2006-03-03 | 삼성전자주식회사 | Ieee1394를 이용한 방송 통신 융합 ftth 시스템 |
JP2007053647A (ja) * | 2005-08-19 | 2007-03-01 | Hitachi Communication Technologies Ltd | 光終端装置および伝送システム |
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2008
- 2008-06-09 JP JP2008150159A patent/JP5058075B2/ja active Active
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JP2009296486A (ja) | 2009-12-17 |
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