【正文】 1 9 M ODUL E TY P E A C RO NYM E QUIP P E D ON C A RD S S T M 1 e lect ri ca l M o d u le S FP SES1 P 1 6 S 1 S 4 , P 1 6 S 1 S S T M 1 o p tica l m o d u le S F P SS 1 1 , SL 1 1 , S L 12 P 1 6 S 1 S 4 , P 1 6 S 1 S S T M 4 o p tica l m o d u le S FP SS 41, SL 4 1 , S L 42 P 1 6 S 1 S 4 S T M 1 6 o p tica l m o d u le S FP SS 1 6 1 , SL 1 6 1 , S L 1 6 2 P 1 6 S 1 6 , P 8 S 1 6 , P 4 S 1 6 Gig a b it E th e rne t Op tica l m o d u le S GE S X , S GE L X P 1 6 G E , P 8 GE , P 4 G E 58 交叉連接： SDH－ ETSI復(fù)用結(jié)構(gòu) STMN AUG AU4 VC4 C4 C3 C12 VC3 VC2 VC12 TU3 TU2 TU12 TUG2 TUG3 140 Mbit/s 34 Mbit/s 2 Mbit/s x3 x3 x7 xN x1 x1 x1 = POINTER = MAPPING = ALIGNMENT = MULTIPLEXING + Cn Cn VCnPOH TUn PDH SIGNAL LEVELn STUFFING BITS x JUSTIFICATION TUn POINTER VCn Lower Order Matrix Higher Order Matrix 59 交叉連接：高階矩陣 HO Matrix board (1 pair) copy B copy A I/O boards I/O boards RX direction STMN STM1 el. GbEther Switching on VC4 level TX direction STMN STM1 el. GbEther 1678 MCC Main Shelf VSR Link boards I/O boards X OED 1670 SM STM4 STM1 op. STM1 el. 140 Mbit/s 140 Mbit/s I/O boards X OED 1670 SM STM4 STM1 op. STM1 el. VSR Link boards OED: Optical Edge Device, used for additional and/or specific I/O boards VSR: Very Short Range Link board, used as STM64 interface to Main Shelf 60 交叉連接：高階矩陣 ? 交叉連接包括 : VC4, HO VC3 (AU3 switching), VC44c, VC416c and VC464c. ? 級(jí)聯(lián)信號(hào)的處理等同于單獨(dú) VC4的處理 . ? 交叉連接類(lèi)型 : ? unidirectional pointtopoint (protected or unprotected) 單向點(diǎn)到點(diǎn)（保護(hù) /無(wú)保護(hù)） ? bidirectional pointtopoint (protected or unprotected) 雙向點(diǎn)到點(diǎn)（保護(hù) /無(wú)保護(hù)） ? unidirectional pointtomultipoint 單向點(diǎn)到多點(diǎn)（廣播） ? I/O 盤(pán)的接收信號(hào) (RX) 同時(shí)送給 matrix copies A and B . ? I/O的發(fā)送信號(hào) (TX) 接收 matrix copy 的冗余信號(hào)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(lèi)型 : ? unidirectional pointtopoint (protected or unprotected) 單向點(diǎn)到點(diǎn)（保護(hù) /無(wú)保護(hù)） ? bidirectional pointtopoint (protected or unprotected) 雙向點(diǎn)到點(diǎn)（保護(hù) /無(wú)保護(hù)） ? unidirectional pointtomultipoint 單向點(diǎn)到多點(diǎn)（廣播） ? 接收方向 (RX) 的信號(hào)送到高階 matrix 之后再送到低階matrix. ? 被結(jié)構(gòu)化的高階信號(hào) (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(hào)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(hào) . ? 這個(gè) HO VC4信號(hào)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(wú)保護(hù)交叉連接類(lèi)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(lèi)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(cè)網(wǎng)元線路和物理接口 Internal Loopbacks：檢測(cè)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