交换机操作维护手册

1、S1240交换机操作维护手册目 录七号信令.831. 英文缩写说明.832. 功能说明.83简要的模块类型说明.844. MTP部分人机命令说明.84SCCP部分人机命令说明.88MTP告警.897.常用MACRO介绍.938.MTP负荷分担.98TUP&ISUP.100第七章 字冠分析和任务定义.1031.总体介绍.1032.源的分析.1063.字冠分析.1194.任务单元定义.1555.主用和备用数据的管理.202第一章 日常维护1. 常用MPTMON指令1.1如何抓取和释放模块AC 2C002CAC 2D002DDAC ALL如果这个模块被别的终端占用了AC 2D* ERROR: SLA

2、VE BUSYOWNED BY PTCE 002D,03IN 2DPASSWORD:(密码是CARE)1.2如何看模块的主备用状态AC 2C002CAC 2D002DCEADDR LCE PROC STATUS BREAK_PID PCS002C 0030 01B0 ACTIVE FFFF_FFFF 87-002D 0020 01C0 ACTIVE FFFF_FFFF 87LCE小的为ACTIVE,LCE大的为STANDBY.1.3在模块(如C模块)中跟踪119T MSG(2C,2D中跟踪2777 MSG同)AC C000CTRC MSG 119T000CDUMP000CENA SYM FUL

3、L000CCOL1.4对消息中的错误类型寻求帮助(如ERRTYPE=700T)0006HELP ERR,700tERR0700 DB_ERRORREFERENCES:-211 73293 AAAA DS (STR-SW-ERROR-REPORTING )PARAGRAPH 5.2 (ERRORS RELATED TO DATA BASE ACCESS)-211 73230 AAAA DS (DATABASE USER GUIDE )- USER DATA INFO : -B_1_. | INT ( 2 BYTES ) | DATA BASE STATUS| | ( DB_PARMS.DB_ST

4、ATUS)B_2_. | M_RID ( 2 BYTES ) | DATA BASE RELATION IDENTI-| | TY| | ( DB_PARMS.REL_ID)B_3_. | M_LCE_ID ( 2 BYTES ) | LOGICAL PROCESSOR IDENTIT-| | Y WHERE| | THE RELATION IS KEPT. FO-| | R DISK| | ONLY RELATIONS, THIS IDEN-| | TITY| | REFERS TO THE PERIPHERAL -| | PROCESSO| | FROM WHICH DISK HAS BE

5、EN -| | READB_4_. | M_DML_COM_TYPE | THE TYPE OF DML-COMMAND| ( 1 BYTE ) |1.5 看模块内的错误AC 21C021CERRERROR CLASS : 16T POWER_ON ERROR TYPE : 0T MEM-PROT-VIOL FMM_ID : 0000 OSN PROCESS_ID : 0000RESTART ADDR : 0000:0000USER DATA : 0000 0000 0000 0000 0000 SEQUENCE NBR : 001.6 看模块的RESTART信息002D:DISRES 2D,

6、1(看2D模块最近一次RESTART的信息)NA 002DERROR TYPE: 58_ STA-EXCUSER DATA: 0EBB 0B18 0004 006F 02A0FMM ID : 006FPROC ID : 9859REGISTERS : SP SS BP DS SI ES DI AX BX CX DX0000 0001 0000 002C 0000 0000 0EBB 0000 0368 0C00 0000INSTR PTR : 0000CODE SEGM: 0202USER STCK: 01FA 0046 00EB 0009 07D3 0118 2606 0400000C 02

7、00 0000 002C 0000 0000 0000 00000000 0000 0000 0000 0000 0000 0000 000007BC 0101 0001 0000NBR MSGS: 0000NBR PCBS: 0000NBR TCBS: 0000NBR OCBS: 0000REST DATE: 2004- 9- 8REST TIME: 9: 13: 45: 51.7 自动维护功能通常我们把交换机系统自我管理,发现错误,修正和报告等等称之为自动维护.修改R_MAI_ENV的操作,称之为修改自动维护.宏指令MEV为我们简便了修改该RELATION的操作.:MEVR_MAI_ENV

8、1 AER_SWITCH.1 24 DEPLIST_REP.0 2 PSD_SWITCH.1 26 SBLID_IN_REP_HEAD.0 4 RELOAD_CNTR_TH.4 28 REPET_CONTROL. 0 5 SPARE_REPL_COND. 0 29 HOURLY_ANREP. 0 8 HIST_REP_48.2500 30 TSR_ONLY_PREM_TERM.1 10 ITR_TEST_DESCR.0 31 AREA_CODE.1 11 PSD_VAL_REP.0 32 PRINT_REP_137_CS_NO_RCF. 1 13 AMAI_BUSY_CHECK. 0 33 P

9、RINT_REP_137_CDR_NO_RCF 1 14 RT_CHAIN.0 34 SUSP_RITS_IN_SBLREP. 0 15 DEP_REP_DIS.0 35 IMPL_RITS_IN_SBLREP. 0 16 REPAIR_ACT.0 36 ONLY_GLOBAL_RESULT.1 18 AUDIT_SWITCH.1 37 ADD_LPT_IN_REPORTS. 0 19 OBSERV_REP_48.2500 38 MULTIPLE_CHANNEL_LOAD. 0 20 RT_SURVIVAL.0 39 INTERPHASE_TIMEOUT.10 21 RT_DFLT_STOPH

10、R. 7 40 INTERPACKET_TIMEOUT.10 22 REP_SOS_CE.0 41 PACKING.1 23 RTABLE_TREAT.0 42 8086_DEST_PROC.4 DETAILS ON TUPLE : ( + NEXT, - PREVIOUS, MODIFY) END,DETAILED VALUE :PSD_SWITCH为安全块的自动维护开关.值为0开关打开,值为1开关关闭.修改该值后主用防卫模块应经过了RESTART后才生效.在工程或因某些突发原因造成很多硬件损坏时应将PSD关闭,以防DFCE负荷过重而无法及时响应真正需要做的工作.修改方法如下:MEVR_MA

11、I_ENV1 AER_SWITCH.1 24 DEPLIST_REP.0 2 PSD_SWITCH.1 26 SBLID_IN_REP_HEAD.0 4 RELOAD_CNTR_TH.4 28 REPET_CONTROL. 0 5 SPARE_REPL_COND. 0 29 HOURLY_ANREP. 0 8 HIST_REP_48.2500 30 TSR_ONLY_PREM_TERM.1 10 ITR_TEST_DESCR.0 31 AREA_CODE.1 11 PSD_VAL_REP.0 32 PRINT_REP_137_CS_NO_RCF. 1 13 AMAI_BUSY_CHECK. 0

12、 33 PRINT_REP_137_CDR_NO_RCF 1 14 RT_CHAIN.0 34 SUSP_RITS_IN_SBLREP. 0 15 DEP_REP_DIS.0 35 IMPL_RITS_IN_SBLREP. 0 16 REPAIR_ACT.0 36 ONLY_GLOBAL_RESULT.1 18 AUDIT_SWITCH.1 37 ADD_LPT_IN_REPORTS. 0 19 OBSERV_REP_48.2500 38 MULTIPLE_CHANNEL_LOAD. 0 20 RT_SURVIVAL.0 39 INTERPHASE_TIMEOUT.10 21 RT_DFLT_

13、STOPHR. 7 40 INTERPACKET_TIMEOUT.10 22 REP_SOS_CE.0 41 PACKING.1 23 RTABLE_TREAT.0 42 8086_DEST_PROC.4 DETAILS ON TUPLE : M(M表示修改) ( + NEXT, - PREVIOUS, MODIFY) END,DETAILED VALUE :(接着下面会出现:)WHICH TUPLE IS TO BE MODIFIED 1(1表示要修改的是第一个TUPLE)(接着会出现:)WHICH VALUE DU YOU WISH 0 -P-0 SW_ON1 AER_SWITCH. 1

14、SW_OFF2 SW_OFF_EXCEPT_REBOOT输入0后就可以完成修改,注意操作终端必须要有修改关系表的权限,完成修改后再把H2C和H2D重启一下就打开了自动维护.1.8 看本局模块运行状况:RUNCESCANNING ALL PROCESSORS. PLEASE, DO NOT INTERRUPT.CES IN DEBUG:CES IN BOOTSTRAP:023ETOTAL NBR OF EQUIPPED CES: 138TOTAL NBR OF RUNNING CES: 137TOTAL NBR OF DEBUG CES: 0TOTAL NBR OF FAILING CES: 1

15、上面的报告可以看出本局装配的模块有138个,运行良好的模块有137个,处于DEBUG状态的模块有0个,处于运行失败状态的有1个,上面CE IN BOOTSTRAP中列出来运行失败的模块的网络地址1.9 看C,D侧的文件同步情况:RFSLFILE NA/PART FILE-STATUS FLAG HOLD PCE LRPTR HRPTR APPL-ID7 0007 000C/00 00 = SYNC 00 0001 000D 0000 0000 00A0 0CC0其中FILE-STATUS表示文件的状态,SYNC表示同步,UNSYNC表示不同步.1.10 初始化模块(CE RES,:RB和CE

16、BOO)AC 3120312CE RES* CE RESTARTINGAC 3120312:RB* ERROR: RELATION ID NOT FOUND - FET REL 1DA1* CE RESTARTINGAC 3120312CE BOO* CE BOOTING宏指令RB用于初始化控制单元,它利用了CE RES指令,并且弥补了CE RES的不足,可以在执行CE RES指令以前现在ROMD区域中指定控制单元重建的级别,CE BOO是把控制单元的所有程序和数据重新装载一次.1.11 查看C,D的各个端口的状态:ALLDEV C,1,DFDWSWN2G| CE 000C STANDBY |

17、 CE 000D ACTIVEINDX | DEV NBR SH STATE | DEV NBR SH STATE0001 | DMCP 0001 2-AVL | DMCP 0001 2-AVL0002 | SCIB 0001 2-AVL | SCIB 0001 2-AVL000B | MMCH 0001 2-AVL | MMCH 0001 2-AVL000C | MMCH 0002 2-AVL | MMCH 0002 2-AVL0013 | MMCH 0009 2-AVL | MMCH 0009 2-AVL0014 | MMCH 000A 2-AVL | MMCH 000A 2-AVL001

18、5 | MMCH 000B 2-AVL | MMCH 000B 2-AVL0016 | MMCH 000C 2-AVL | MMCH 000C 2-AVL0017 | MMCH 000D 2-AVL | MMCH 000D 2-AVL0023 | DISK 0001 2-AVL | DISK 0001 2-AVL0024 | DISK 0002 2-AVL | DISK 0002 2-AVL0027 | MAGT 0001 1-UNAVL | MAGT 0001 1-UNAVL0033 | VDU 0001 SH 3-AVL_PAS | VDU 0001 SH 6-AIS0034 | PRT

19、0002 SH 3-AVL_PAS | PRT 0002 SH 6-AIS003B | BIN 0009 SH 3-AVL_PAS | BIN 0009 SH 6-AIS003C | VDU 000A SH 3-AVL_PAS | VDU 000A SH 6-AIS003D | VDU 000B SH 3-AVL_PAS | VDU 000B SH 6-AIS003E | VDU 000C SH 3-AVL_PAS | VDU 000C SH 6-AIS003F | BIN 000D SH 3-AVL_PAS | BIN 000D SH 6-AIS004C | MMCA 0001 2-AVL

20、| MMCA 0001 2-AVL004D | MMCA 0002 2-AVL | MMCA 0002 2-AVL报告中AVL表示端口运行正常,AIS表示此端口未接通,UNAVL表示不可以1.12 安全块操作(:DI ,:D, :I ,:V)宏指令DI用来查看安全块的状态,其参数依次为安全块类型(SBLTYPE),安全块所在的模块网络地址(NA),安全块序号(NBR):DI CTLE,34,1YONGXIN 2005-06-28 14:28:01 TUPW0006 0130/0006/0003$YONGXIN 2005-06-28 14:28:22 TUPW0006 0130/0006/000

21、3SEQ=9448.2005-06-28 00065 C74L105 KTMAAB01 HSRRIF34SWA-EXCHANGE DEFENCEDISPLAY-SBL-DATA SUCCESSFUL-NA = H0034SBLTYPE = CTLENBR = 1OPTION = DEPLISTSTATE DISPLAYNA SBLTYPE SBLMIN SBLMAX STATE DEVT/CEF LCE APTH0034 CTLE 1 1 IT DSCENS H7D80 JLTCEMATE CEH0035 CTLE 1 1 IT DSCENS H7D90 JLTCEX OVER FLAG X

22、OVER INH FLAGNORMAL SIDE FREEDEPENDENT SBLSNA SBLTYPE SBLMIN SBLMAX STATE DEVT/CEFH0034 CLLK 1 2 IT TPPLH0034 TOPT 1 1 IT TONEPORTH0034 SMCL 1 1 IT CLALCNH0034 SMCL 3 3 IT CLALCNH0034 SMCL 5 5 OPR CLALCNH0034 SMCL 7 7 IT CLALCNH0034 SMCL 9 9 IT CLALCNH0034 SMCL 11 11 IT CLALCNH0034 SMCL 13 13 IT CLA

23、LCNH0034 SMCL 15 15 IT CLALCNH0034 SMCL 129 129 IT DPTCRGRFH0035 SMCL 17 17 IT CLALCNH0035 SMCL 19 19 IT CLALCNH0035 SMCL 21 21 IT CLALCNH0035 SMCL 23 23 IT CLALCNH0035 SMCL 25 25 IT CLALCNH0035 SMCL 27 27 IT CLALCNH0035 SMCL 29 29 IT CLALCNH0035 SMCL 31 31 IT CLALCNH0035 SMCL 130 130 IT DPTCRGRFH00

24、34 SLIF 1 32 IT ALCNH0034 SLIF 33 48 SOS ALCNH0034 SLIF 49 128 IT ALCNH0034 RCCT 1 2 IT RNGAH0035 SLIF 129 256 IT ALCNH0035 RCCT 3 4 IT RNGALAST REPORT 00065宏指令D用于使安全块退出服务状态D:SMCL,34,5YONGXIN 2005-06-28 14:36:50 TUPW0006 0130/0006/0003ACTION SUCCESSFULNA SBLTYPE NBR DEVT/CEF STATE-CHANGE LOC1 0034 S

25、MCL 5 CLALCN IT TO OPR HLAST REPORT 00052宏指令I用于初始化安全块I:SMCL,34,129YONGXIN 2005-06-28 09:56:29 TUPW0006 0130/0006/0003ACTION TO BE CONFIRMEDENTER CONFIRM OR CANCEL VIA THE GO COMMANDFOR SEQUENCE NUMBER = 9336NA SBLTYPE NBR DEVT/CEF STATE CONFIRM REASON1 0034 SMCL 129 DPTCRGRF FLT STATE OF INVOLVED SB

26、LWAITS FOR CONFIRMREPORT FOLLOWS 00051YONGXIN 2005-06-28 09:56:34 TUPW0006 0130/0006/0003$YONGXIN 2005-06-28 09:56:37 TUPW0006 0130/0006/0003* SEQ=9336.2005-06-28 00052 C74L105 KTMAAB01 HSRRIF34SWA-EXCHANGE DEFENCEINIT SUCCESSFUL-REPORT ON INVOLVED SBLSNA = H0034SBLTYPE = SMCLNBR = 129= ACTION SUCCE

27、SSFULNA SBLTYPE NBR DEVT/CEF STATE-CHANGE LOC1 0034 SMCL 129 DPTCRGRF FLT TO IT HLAST REPORT 00052宏指令V用于对安全块做诊断测试,参数依次为安全块类型(SBLTYPE),安全块所在模块网络地址(NA),安全块序号(NBR),偏移量WTC和测试段(TESGMENT)V:RCCT,34,1,0,ALLYONGXIN 2005-06-28 14:46:46 TUPW0006 0130/0006/0003ACTION SUCCESSFULNA SBLTYPE NBR DEVT/CEF STATE-CHAN

28、GE LOC1 0034 RCCT 1 RNGA IT TO IT HLAST REPORT 000521.13 查看是否有安全块正在被系统处理000C:BUSY1T TUPLE(S) IN USE.SBLTYPE NA NBR ERRTYPE AUDIT COMCODE ORIG -CTLE 023E 0001 SBL_BUSY * ERROR: SYMBOL NOT DEFINED - BYT (.COMC+10*.Y) L 10,&0006SET C10006:BUSY1T TUPLE(S) IN USE.SBLTYPE NA NBR ERRTYPE AUDIT COMCODE ORIG

29、 -CTLE 023E 0001 SBL_BUSY O_DIS OPER1T TUPLE(S) IN USE.报告中SBLTYPE表示安全块类型,NA表示网络地址,NBR表示安全块序号,ERRTYPE表示错误类型,AUDIT表示安全块此时的状态,COMCODE表示安全块正在执行命令O_DIS(此安全块正在执行DISABLE命令),ORIG表示安全块的执行者是OPER(操作员)1.14 看是否有模块正在装载0006:CEID CAPPL NETW-APPL NA FUNCTION STATE CMD_ORIG SEQ_NBR FILE0090:82E9 FFFF:FFFF 023E LOAD_S

30、HED LOADING MATE CEINI 0001 4279报告中NA表示正在装载的模块网络地址,STATE表示装载的状态,SEQ_NBR表示装载的序号,FILE表示正在装载的文件.1.15 分析系统运行状况002C:ANOMALYSTART TIME OF OBSERVATION: 8: 10: 10END TIME OF OBSERVATION: 9: 0: 5SUMMARY:#ERRORS #RESTARTS #RELOADS #ERTYPES #FAULTNA #RESNA #RELNA541 0 0 12 34 0 0DETAILS:ERROR TYPE #OCCUR NA #E

31、RR NA #RES NA #REL701_ IO-ERROR 708_ INT-DATA-INC 700_ DB-ERROR 41_ RTE-TY-FCB-T 702_ MESS-TO 1448_ DET-RPRT-SSM-ERR520_ RAL-ALARM-ON 107_ TI-HARD-LOS 1251_ REPORT-ERROR 1700_ DB-ERROR 723_ TRUNK-BLOCKED 375_ ASM-SIGN-FLT 这个MACRO显示的报告和7439报告类似,START TIME OF OBSERVATION为观察的起始时间,END TIME OF OBSERVATIO

32、N为结束时间,#ERRORS为这段时间内系统的错误总数,#RESTARTS为模块RESTART的总次数,#RELOADS为模块RELOAD的总次数,#ERTYPES为错误类型的总数,#FAULTNA为有错误的模块总数,#RESNA为RESTART的模块总数,#RELNA为RELOAD的模块总数,ERROR TYPE为详细的错误类型,NA #ERR为发生错误的模块的详细列表,NA #RES为发生RESTART的模块的详细列表,NA #REL为发生RELOAD的模块的详细列表.CHONG_YI 2005-06-27 09:10:10 MO 07439 C74L105 LBBLAC02 HSRRIF

33、34 SWA-ERROR REPORTING SYSTEM REPORT-HOURLY STATISTICAL ERROR REPORT-STATISTIC GATHERING PERIOD : (YY-MM-DD HH:MM:SS)START = 2005-06-27 08:10:10 STOP = 2005-06-27 09:10:10TOTAL NUMBER OF ERRORS RESTARTS RELOADS660 1 0 TOTAL NUMBER OF DIFFFERENTERRTYPES NA WITH ERRORS NA WITH RESTART NA WITH RELOAD13

34、 36 1 0 TOP 10 OF ERRTYPES: ERRTYPE NBR OF OCCURENCE- 701 127708 119700 11941 108702 90 1448 57 520 18 375 8 107 6 1251 4 TOP 10 OF FAULTS : TYPE NA NBR OF FAULTS- NB-CE 40F 119NB-CE 40E 119NB-CE 32F 112NB-CE 20F 105NB-CE 205 18 NB-CE 727 12 NB-CE 1026 12 NB-CE 61C 12 NB-CE 214 12 NB-CE 1006 12 TOP

35、10 OF RESTARTS: TYPE NA NBR OF RESTARTS- NB-CE 713 1 UNSOLICITED REP 07439上面的7439报告是日常维护中非常重要的报告,它可以及时地反映出系统当前的运行状态.START为统计的起始时间,STOP为统计的结束时间,ERRORS为这段时间内模块发生错误的总数,RESTARTS为模块RESTART的总数,RELOADS为模块RELOAD的总数,ERRTYPES为这段时间内发生的错误类型总数,NA WITH ERRORS为发生错误的模块总数,NA WITH RESTART为发生RESTART的模块总数,NA WITH RELOA

36、D为发生RELOAD的模块总数,TOP 10 OF ERRTYPES列出了发生最多的10种错误类型及相应的数量,TOP 10 OF FAULTS发生错误最多的10个模块及相应的错误数量,TOP 10 OF RESTARTS发生RESTART最多的10个模块及相应的RESTART的次数.2.常用安全块操作2.1 常见安全块状态说明IT-In Traffic,表示安全块在服务FIT-Fautiy in traffic表示安全块在服务,但有微小的故障FLT-Fautty表示安全块被停用且故障已被证实FOS-表示安全块有错误且已被停用SOS-Software out of service表示此安全块的

37、上层安全块已退出服务OPR-Operater out of service表示操作员执行命令使SBL脱离服务NEQP-Not equipped表示设备配置中没有装配该安全块REPR-Pepair表示安全块需要维修FREP-(FLT+REP)表示安全块有故障需检修EQPA-Equipping allowed表示安全块在系统配置中已定义,并准备初始化EF-External fault表示由于交换机外部的故障引起此安全块不能投入正常运行2.2 SBL相关人机命令1) DISPLAY-SBL-DATA 用来显示安全块的状态(查看CTLE)45:SBLTYPE=CTLE,NA=HC,NBR=1,OPTI

38、ON=DEPLIST.2) DISABLE 让安全块退出服务(打死一个用户SBLTYPE=SLIF)6:SBLTYPE=SLIF,NA=H30,NBR=1,WTC=0.3) TEST 用来对某一安全块进行诊断测试,但其状态必需为OPR.11:SBLTYPE=SLIF,NA=H30,NBR=1.4) INITIALIZE 让退出服务的安全块重新进入可用状态.7:SBLTYPE=SLIF,NA=H30,NBR=1.5) VERIFY 为混合型诊断测试命令,相当于DISABLE+TEST+INITALIZE.14:SBLTYPE=SLIF,NA=H30,NBR=1,TSEGMENT=ALL,WTC=

39、0.2.3 设备的定义S12系统也能以被称为设备的功能单元来分类.这一概念只被设备处理器(DEVICE HANDLER)所使用.上层维护软件是用到安全块的概念.设备处理器主要是面向硬件设备,对硬件进行管理.设备的概念主要用于例行测试当中.识别设备的参数有:设备类型(DEVTYPE),网络地址(NA),设备号码(NBR). 1/CRC42NS 245 Bit Error Rate High 1/10EXP6 at NT1 S/T SideCRC42NT2 247 Bit Error Rate High 1/10EXP6 at NT2 SideCRC42R 083 Bit Error Rate L

40、ow in XMIT DirectoryCT01 010 CL&T: Different Clock In UseCT02 011 C&T: PLL End Of RangeCT03 012 C&T: Mate PLL Out Of LockCT04 013 C&T: OFLL DAC Out Of RangeCT05 014 C&T: Phase AllignmentCT06 015 C&T: Partner Clock UnavailableCT07 017 C&T: PLL Switch OverCT08 018 C&T: Dual Clock ExclusionCT09 019 C&T

41、: Own Set InteruptCT10 020 C&T: Partner Set InteruptCT11 021 C&T: Time Of Day Bus CheckDCME31K 117 TTCE Block : DCME 3.1KHZ+64KB CDCME64K 116 TTCE Block for DCME 64KB CallsDCMEDLC 115 TTCE Block: DCME Dynamic Load ControlDCMEMNT 114 TTCE Block: DCME Maintenance ConditionEER01 118 Excessive Error Rat

42、e 1/1000EER02 119 Excessive Error Rate 1/HDB3 043 HDB3 Rules ViolationHDB32 088 Line Code Violation Low in XMIT DirectoryINB1 111 International Bit 1 Alarm (PCM)INB2 112 International Bit 2 Alarm (PCM)L2FCS 078 Excess # Unreceived D-CH Layer-2 FrameL2PRA 113 Layer2 Alarm On PRA (ITM)LCA 087 Loss Of

43、CRC4 Alignment AlarmLERI 002 Digital Trunk Line Excess Error Rate AlarmLERIL 044 Digital Trunk Excess Error Rate Low PriorityLFA 001 Digital Trunk Loss Frame Alignment AlarmLIS 037 Digital Trunk Loss Of Incoming Signal AlarmLMA 003 Digital Trunk Loss Multifrequency Alignment AlarmLPFN 082 Loss of Po

44、wer feed at NT1LSLU 243 Loss Signal at LT U-SideLSN S 080 Loss of Synchronisation at NT1 S-SideLSNU 050 Loss of Synchronisation at NT1 U-SideMAGTOFF 231 Magnetic Tape Off-LineMAGTON 232 Magnetic Tape On-LineMFCER 062 R-Signalling AlarmMPGE 052 Meter Pulse Generator AlarmNAB1 106 National Bit 1 Alarm

45、 (PCM)NAB2 107 National Bit 2 Alarm (PCM)NAB3 108 National Bit 3 Alarm (PCM)NAB4 109 National Bit 4 Alarm (PCM)NAB5 110 National Bit 5 Alarm (PCM)NRJA 073 Digital Trunk Non-urgent RJA = SA4 National BITNRSA 074 Digital Trunk Non-urgent REM Slip AlarmORA 045 Outgoing Recording AnnouncementORAHW 211 N

46、on-urgent Alarm Announcement MachineRAI3 079 Remote Alarm Indicator 3= SA5 National BitRECFAIL 067 DIAM Customer Announcement Recording FailureRJA 005 Digital Trunk Remote Junction AlarmRSA 008 Digital Trunk Remote Signal AlarmRSAFNEQ 155 ERSU/IRSU Stand Alone Function Not EquippedRSUAXA 224 IRSU Auxilliary Alarm ARSUAXB 225 IRSU Auxilliary Alarm BRSUAXC 226 IRSU Aux