传输网络原理与建模传输网络原理与建模.ppt

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传输网络原理与建模传输网络原理与建模.ppt

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? NEC Corporation 2002 Model Object DiagramFor Transmission System Ver. 1.0 May. 25, 2005 Contents 1. Subnetwork SDH – complex network DWDM multi-layer subnetwork Topological Link / Link 3. Termination Point (PTP/CTP) Note 3.1 DWDM DWDM – TERM DWDM – ILAMP DWDM – ILAMP DWDM – OADM (through) DWDM – OADM (drop) DWDM – OADM (add) 3.2 SDH 3.2.1 高速SDH Interface (1) Interface (2) Interface (3) Interface (4) Interface (5) Interface (6) Cross-connect Cross-connect 4F-BLSR 2F-BLSR Linear MSP (1) Linear MSP (2) Linear MSP Linear MSP Linear MSP Linear MSP 3.2.2 155M Interface (1) Interface (2) Cross-connect (155M TERM Mode) Cross-connect (155M ADM Mode) Cross-connect (155M SNC/P Mode) Linear MSP Linear MSP 3.2.3 622M Interface (1) Interface (2) Interface (3) Interface (4) Cross-connect (622M ADM Mode) Cross-connect (622M ADM Mode) Cross-connect (622M 4F-BLSR Mode) Cross-connect (622M 2F-BLSR Mode) Cross-connect (622M SNC/P Mode) Cross-connect (622M SNC/P Mode) Cross-connect (622M REG Mode) 4F-BLSR 2F-BLSR 3.2.4 2.5G Interface (1) Interface (2) Interface (3) Cross-connect (2.5G ADM Mode) Cross-connect (2.5G 4F-BLSR Mode) Cross-connect (2.5G 2F-BLSR mode) 4F-BLSR 4F-BLSR 2F-BLSR 2F-BLSR Linear MSP Linear MSP 3.3 Connection between NEs DWDM – SDH DWDM - DWDM 高速SDH – 高速SDH 高速SDH – ADM (155M TERM mode) 高速SDH – ADM (622M ADM mode) 高速SDH – ADM (2.5G ADM mode) Appendix Layer Rate Interface Cross-connect MS Protection a) STM16A (STM-16) AU4 x16 STM-16 MS/RS/Phy_O STM16A AU4-4c x4 AU4-4c AU4-4c AU4-4c AU4-4c AU4 AU4 AU4 b) STM4A (STM-4) AU4 x4 STM-4 MS/RS/Phy_O STM4A AU4-4c AU4-4c AU4 AU4 AU4 AU4 d) 140/STM1 (STM1E mode) STM-1 MS/RS/Phy_E STM1 AU4 e) 140/STM1 (140M mode) AU4 E4 140M/Phy_E 140 AU4 140M AU4 c) STM1A (STM-1) STM-1 MS/RS/Phy_O STM1A AU4 AU4 AU4 STM-16 ADM STM16A STM16A ADX16 140M/STM1/ STM1A/STM4A STM-16 STM-16 AU4-4c PKG: MS/RS/Phy_O MS/RS/Phy_O XC (through) XC (through) AU4 XC (add/drop) XC (add/drop) AU4 AU4-4c INF MS STM-4 PDH 140M or STM-1 AU4-4c AU4-4c AU4