【正文】 topoint (protected or unprotected) 雙向點(diǎn)到點(diǎn)（保護(hù) /無保護(hù)） ? unidirectional pointtomultipoint 單向點(diǎn)到多點(diǎn)（廣播） ? I/O 盤的接收信號 (RX) 同時(shí)送給 matrix copies A and B . ? I/O的發(fā)送信號 (TX) 接收 matrix copy 的冗余信號并選擇其中的一路 . 61 交叉連接：低階矩陣 HO Matrix board (1 pair) copy B copy A RX direction TX direction LO Matrix (1 pair) copy B copy A Assembler Assembler Switching on VC12 / VC3 level I/O boards I/O boards STMN STMN VSR Link boards I/O boards X OED 1670 SM STM4 STM1 op. STM1 el. 140 Mbit/s STM1 el. GbEther I/O boards X OED 1670 SM STMN STM1 op. STM1 el. 140 Mbit/s VSR Link boards GbEther STM1 el. 1678 MCC Main Shelf SYNTH16 board I/O boards X OED 1662 SMC 2 Mbit/s I/O boards SYNTH16 board X 2 Mbit/s OED 1662 SMC Assembler: Function to perform the high order path termination and adaptation 62 交叉連接：低階矩陣 ? 交叉連接包括 : LO VC3 and VC12. ? 交叉連接類型 : ? unidirectional pointtopoint (protected or unprotected) 單向點(diǎn)到點(diǎn)（保護(hù) /無保護(hù)） ? bidirectional pointtopoint (protected or unprotected) 雙向點(diǎn)到點(diǎn)（保護(hù) /無保護(hù)） ? unidirectional pointtomultipoint 單向點(diǎn)到多點(diǎn)（廣播） ? 接收方向 (RX) 的信號送到高階 matrix 之后再送到低階matrix. ? 被結(jié)構(gòu)化的高階信號 (VC4) 連接到匯集器（ assembler ）執(zhí)行高階通道的終結(jié)和適配功能 . ? 再交換低階信號之后，他們被連接到用于適配和終結(jié)以生成 一個(gè) HO VC4信號 . ? 這個(gè) HO VC4信號再被送回 HO matrix. 63 交叉連接：矩陣冗余 I/O board HO Matrix hot standby copy B LO Matrix hot standby copy B Assembler LO Matrix active copy A Assembler HO Matrix active copy A I/O board 64 交叉連接：交叉連接終結(jié)點(diǎn) 1) 2) SDHNetwork SDHNetwork 3) SDHNetwork SDH SDH: Termination Points: Au4 Au4 Au4nc Au4nc Tum Tum (m = 12, 3) PDH SDH: Termination Points: VC4 Au4 VCm Tum (m = 12, 3) PDH PDH: Termination Points: VCn VCn (n = 12, 3, 4) 65 交叉連接：無保護(hù)交叉連接類型 ? Unidirectional Connection ? Bidirectional Connection ? Broadcast Connection (Multileg) input matrix output input matrix output input matrix output A output B output C leg 1 leg 2 leg 3 66 交叉連接： SPLIT/JOIN ? Split Unprotected Bidirectional Cross Connection A matrix B A matrix B B matrix A Split A matrix B B matrix A ? Join Unprotected Unidirectional Cross Connections A matrix B Join 67 交叉連接： SNCP BRIDGE SWITCH PASSTHROUGH PASSTHROUGH PASSTHROUGH NE 2 Side A Side B Side A Side B Side A Side B Side A Side B Side A Side B SWITCH BRIDGE NE 4 NE 3 NE 5 NE 1 SNCP (SubNetwork Connection Protection) ：保護(hù)兩個(gè)節(jié)點(diǎn)或端到端的通道 SNCP可設(shè)置為：可恢復(fù) /不可恢復(fù) 68 交叉連接： SNCP保護(hù)連接類型 ? Protected Unidirectional Connection input A matrix output prot. input B ? Protected Bidirectional Connection input A matrix output prot. input B ? Protected Broadcast Connection input A matrix output C prot. input B output D ? Drop and Continue Connection input A matrix output B prot. input B output C 69 交叉連接：環(huán)回 RST Internal SPI Line Initial Destination Line loop and Continue Signal generator . SDH port MST MSP Initial LINE LOOPBACK INTERNAL LOOPBACK RST SPI MST MSP Internal loop and Continue Line Signal generator MATRIX . SDH port . PDH or SDH port Continue Initial Destination SPI:SDH Physical Interface. MST:Multiplex Section Termination Line Loopbacks ：檢測網(wǎng)元線路和物理接口 Internal Loopbacks：檢測網(wǎng)元內(nèi)部傳輸功能 70 保護(hù)：概述 Cross Connection Subsystem Synchronization Subsystem Power Subsystem Input/Output Subsystem Control Subsystem Operation System Input/Output Subsystem Control and Software Subsystem Power Subsystem Protection Subsystem Synchronization Subsystem external LAN Operation System Performance Monitoring Subsystem DCC Subsystem Craft Terminal 1678 MCC Cross Connection Subsystem 71 保護(hù)：概述 ? 設(shè)備的保護(hù)分為 2種 : ? EPS(Equipment Protection Switching ) : ? HO Matrix (Matrix, SC, CRU) ? LO Matrix ? Equipment Controller + GMRE function ? Power Conversion ? MSP(Multiplex Section Protection Linear trail ) : ? all optical I/O interfaces ? 保護(hù)倒換操作指令 ： Manual/Force/Release 72 EPS Equipment 1 Equipment 2 Equipment 1 Equipment 2 Equipment N Equipment P Line 1 Line 2 Line N EPS 1+1: Non revertive不倒回 EPS N+1: Revertive倒回 73 EPS ? 倒換條件： cardmissing,cardfail ? 倒換時(shí)間： 《 ＝ 50ms ? 保護(hù)方式 : ? EPS 1+1： 不倒回 ? EPS N+1： 倒回 （ WTR=5minutes） ? 倒換命令： Manual, Lockout, Release ? 矩陣、時(shí)鐘、控制、電源以及風(fēng)扇單元： EPS 1+1 ? 所有的電口輸入輸出板： EPS N＋ 1 74 EPS ? Matrix HO : EPS protection 1+1 (non REVERTIVE) ? Main in slot 10 ? Spare in slot 11 ? Matrix LO: EPS protection 1+1 (non REVERTIVE) ? Main in slot 2,4,6,8,12,14,16,18 ? Spare in slot 3,5,7,9,13,15,17,19 Port Slot Fan Unit BUS Termination Port Slot Port Slot Port Slot Port Slot Port Slot Port Slot Port Slot Matrix HO (Copy A) Matrix HO (Copy B) Port Slot Port Slot Port Slot Port Slot Port Slot Port Slot Matrix LO (Copy A) Matrix LO (Copy B) FLCCONGI FLCSERV PSF PSF Fan Unit (22) 12 13 14 15 16 17 18 2 3 4 5 6 7 8 9 19 10 11 1 20 (21) Subrack n Subrack n+2 BUS Termination 24 25 EPS 1+1: Non revertive 75 MSP Multiplex Section linear trail Protection (1+1 linear APS) 1 2 1 2 protected protecting MAIN SPARE NE 1 NE 2 protected protecting 76 MSP ? 對所有類型的 STMN接口進(jìn)行硬件和線路的保護(hù) ? 倒換協(xié)議： K1/K2 ? Single ended ? Dual ended ? 倒換時(shí)間： 《 ＝ 50ms ? MSP 1＋ 1： non revertive不倒回 ? 倒換命令： Force, Manual, Lockout, Release ? 倒換條件：