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  1.                                                  MTP, LEVEL 2
  2.  
  3.           TEST NUMBER:  1.5                                    PAGE:  1 OF 1        
  4.           REFERENCE:Q.703 S 7STD: Fig. 8; Fig. 9                               
  5.           TITLE:Link State Control - Expected signal                           
  6.           units/orders                                         
  7.           SUB TITLE:Normal alignment - correct procedure                       
  8.           (FISU)                                               
  9.           PURPOSE:To check normal alignment procedure                          
  10.           PRE-TEST CONDITIONS:Link out of service                              
  11.           CONFIGURATION:1                                      TYPE OF TEST:VAT, CPT      
  12.           EXPECTED SIGNAL UNIT SEQUENCE:                                       
  13.           SPB                                                   SPA
  14.           Link                                            Lin   
  15.                                                           k     
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  70.           PAGE148 Fascicle VI.9 - Rec. Q.781
  71.  
  72.                                <-----------------------   1 - 0          SIOS
  73.                                ---                        
  74.           1 - 0SIOS             -----------------------   
  75.                                --->                       
  76.                                                                     :  start
  77.                                <-----------------------   1 - 0         SIO
  78.                                ---                        
  79.           1 - 0SIO              -----------------------   
  80.                                --->                       
  81.                                <-----------------------   1 - 0         SIN
  82.                                ---                        
  83.           1 - 0SIN              -----------------------   
  84.                                --->                       
  85.                                <-----------------------   1 - 0         FISU
  86.                                ---                        
  87.           1 - 0FISU             -----------------------    
  88.                                --->                       
  89.                                                     
  90.           TEST DESCRIPTION                                                     
  91.            1.   
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  141.           Fascicle VI.9 - Rec. Q.781    PAGE153
  142.  
  143.                 Start normal alignment procedure.                              
  144.            2.   Check link aligns and enters "In service" state.               
  145.            3.   Check that "In service" state is maintained.                   
  146.                                                                                
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  212.           PAGE148 Fascicle VI.9 - Rec. Q.781
  213.  
  214.                                                  MTP, LEVEL 2
  215.  
  216.           TEST NUMBER:  1.6                                    PAGE:  1 OF 1              
  217.           REFERENCE:Q.703 S 7STD: Fig. 8; Fig. 9                               
  218.           TITLE:Link State Control - Expected signal                           
  219.           units/orders                                         
  220.           SUB TITLE:Normal alignment - correct procedure                       
  221.           (MSU)                                                
  222.           PURPOSE:To check normal alignment procedure                          
  223.           PRE-TEST CONDITIONS:Link out of service                              
  224.           CONFIGURATION:1                                      TYPE OF TEST:VAT           
  225.           EXPECTED SIGNAL UNIT SEQUENCE:                                       
  226.           SPB                                                   SPA
  227.           Link                                            Lin   
  228.                                                           k     
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  283.           Fascicle VI.9 - Rec. Q.781    PAGE153
  284.  
  285.                                <-----------------------   1 - 0         SIOS
  286.                                ---                        
  287.           1 - 0SIOS             -----------------------   
  288.                                ---->                      
  289.                                                                     :  start
  290.                                <-----------------------   1 - 0         SIO
  291.                                ----                       
  292.           1 - 0SIO               ----------------------   
  293.                                ---->                      
  294.                                <-----------------------   1 - 0         SIN
  295.                                ----                       
  296.           1 - 0SIN               ----------------------   
  297.                                ---->                      
  298.                                <-----------------------   1 - 0         FISU
  299.                                ---                        
  300.           1 - 0MSU              -----------------------   
  301.                                --->                       
  302.                                                     
  303.           TEST DESCRIPTION                          
  304.            1.   
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  354.           PAGE148 Fascicle VI.9 - Rec. Q.781
  355.  
  356.                 Start normal alignment procedure.                                    
  357.            2.   Check link aligns and enters "In service" state.                     
  358.            3.   Check that "In service" state is maintained.                         
  359.                                                                                      
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  425.           Fascicle VI.9 - Rec. Q.781    PAGE153
  426.  
  427.                                                  MTP, LEVEL 2
  428.  
  429.           TEST NUMBER:  1.7                                    PAGE:  1 OF 1              
  430.           REFERENCE:Q.703 SS 7, 10.3                                           
  431.           STD: Fig. 9; Fig. 17                                 
  432.           TITLE: ink State Control - Expected signal                           
  433.           units/orders                                         
  434.           SUB TITLE:SIO received during normal proving                         
  435.           period                                               
  436.           PURPOSE:To test the response to the reception of an SIO during the              
  437.           normal proving period.                                                    
  438.           PRE-TEST CONDITIONS:Link out of service                              
  439.           CONFIGURATION:1                                      TYPE OF TEST:VAT           
  440.           EXPECTED SIGNAL UNIT SEQUENCE:                                       
  441.           SPB                                                   SPA
  442.           Link                                            Lin   
  443.                                                           k     
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  496.           PAGE148 Fascicle VI.9 - Rec. Q.781
  497.  
  498.                                      <-----------------   1 - 0         SIOS
  499.                                      ---------            
  500.           1 - 0SIOS                   -----------------   
  501.                                      --------->           
  502.                                                                     :  start
  503.                                      <-----------------   1 - 0         SIO
  504.                                      ---------            
  505.           1 - 0SIO                    -----------------   
  506.                                      --------->           
  507.                                      <-----------------   1 - 0         SIN
  508.                                      ---------            
  509.           1 - 0SIN                     ----------------                eq 
  510.                                      --------->           \a\co1(╜,╜,^)\s(T4,Stopped)
  511.           1 - 0SIN (one only)         -----------------   
  512.                                      --------->           
  513.           1 - 0SIN                    -----------------   
  514.                                      --------->           
  515.                                      <-----------------   1 - 0         eq 
  516.                                      ---------            \a\co1(╜,╜,╜)\s(SIN,T4 (Pn))
  517.                                      <-----------------   1 - 0         FISU
  518.                                      ---------            
  519.                                
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  567.           Fascicle VI.9 - Rec. Q.781    PAGE153
  568.  
  569.                                                     
  570.           TEST DESCRIPTION                          
  571.            1.   Send an SIO at B during normal proving period.                       
  572.            2.   Check that new normal proving period is entered.                     
  573.                                                                                      
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  638.           PAGE148 Fascicle VI.9 - Rec. Q.781
  639.  
  640.                                                   MTP LEVEL 2
  641.  
  642.           TEST NUMBER:  1.8                                    PAGE:  1 OF 1              
  643.           REFERENCE:Q.703 SS 7, 8STD:                                          
  644.           Fig. 8                                               
  645.           TITLE:Link State Control - Expected signal                           
  646.           units/orders                                         
  647.           SUB TITLE:Normal alignment with PO set (FISU)                        
  648.           PURPOSE:To check the response following normal alignment when PO                
  649.           has been set                                                         
  650.           PRE-TEST CONDITIONS:Link out of service                              
  651.           CONFIGURATION:1                                      TYPE OF TEST:VAT           
  652.           EXPECTED SIGNAL UNIT SEQUENCE:                                       
  653.           SPB                                                   SPA
  654.           Link                                            Lin   
  655.                                                           k     
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  709.           Fascicle VI.9 - Rec. Q.781    PAGE153
  710.  
  711.                                      <-----------------   1 - 0         SIOS
  712.                                      ---------            
  713.           1 - 0SIOS                   -----------------   
  714.                                      --------->           
  715.                                                                     :  set LPO
  716.                                                                     :  start
  717.                                      <-----------------   1 - 0         SIO
  718.                                      ---------            
  719.           1 - 0SIO                   ------------------   
  720.                                      -------->            
  721.                                      <-----------------   1 - 0         SIN
  722.                                      ---------            
  723.           1 - 0SIN                     ----------------   
  724.                                      --------->           
  725.                                      <-----------------   1 - 0         SIPO
  726.                                      ---------            
  727.           1 - 0FISU                   -----------------   
  728.                                      --------->           
  729.                                      <-----------------   1 - 0         SIPO
  730.                                      ---------            
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  780.           PAGE148 Fascicle VI.9 - Rec. Q.781
  781.  
  782.                                                     
  783.           TEST DESCRIPTION                                               
  784.            1.   Check that normal alignment is carried out with PLO set at A.        
  785.            2.   Check that SIPO is returned when aligned, and that A stays in        
  786.                 "processor outage" state.                                            
  787.            3.   Repeat test with LPO set at B.                                       
  788.                                                                                      
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  851.           Fascicle VI.9 - Rec. Q.781    PAGE153
  852.  
  853.                                                  MTP, LEVEL 2
  854.  
  855.           TEST NUMBER:  1.9                                    PAGE: 1 OF 1               
  856.           REFERENCE:Q.703 SS 7, 8STD:                                          
  857.           Fig. 8                                               
  858.           TITLE:Link State Control - Expected signal                           
  859.           units/orders                                         
  860.           SUB TITLE:Normal alignment with PO set (MSU)                         
  861.           PURPOSE:To check the response following normal alignment when PO           
  862.           has been set                                                         
  863.           PRE-TEST CONDITIONS:Link out of service                              
  864.           CONFIGURATION:1                                      TYPE OF TEST:VAT           
  865.           EXPECTED SIGNAL UNIT SEQUENCE:                                       
  866.           SPB                                                   SPA
  867.           Link                                            Lin   
  868.                                                           k     
  869.                                      
  870.  
  871.  
  872.  
  873.  
  874.  
  875.  
  876.  
  877.  
  878.  
  879.  
  880.  
  881.  
  882.  
  883.  
  884.  
  885.  
  886.  
  887.  
  888.  
  889.  
  890.  
  891.  
  892.  
  893.  
  894.  
  895.  
  896.  
  897.  
  898.  
  899.  
  900.  
  901.  
  902.  
  903.  
  904.  
  905.  
  906.  
  907.  
  908.  
  909.  
  910.  
  911.  
  912.  
  913.  
  914.  
  915.  
  916.  
  917.  
  918.  
  919.  
  920.  
  921.  
  922.           PAGE148 Fascicle VI.9 - Rec. Q.781
  923.  
  924.                                      <-----------------   1 - 0         SIOS
  925.                                      ---------            
  926.           1 - 0SIOS                   -----------------   
  927.                                      --------->           
  928.                                                                     :  set LPO
  929.                                                                      :  start
  930.                                      <-----------------   1 - 0         SIO
  931.                                      ---------            
  932.           1 - 0SIO                    -----------------   
  933.                                      ---------->          
  934.                                      <-----------------   1 - 0         SIN
  935.                                      ---------            
  936.           1 - 0SIN                    -----------------   
  937.                                      ---------->          
  938.                                      <-----------------   1 - 0         SIPO
  939.                                      ---------            
  940.           1 - 0MSU                    -----------------   
  941.                                      ---------->          
  942.                                      <-----------------   1 - 0         SIPO
  943.                                      ---------            
  944.                                
  945.  
  946.  
  947.  
  948.  
  949.  
  950.  
  951.  
  952.  
  953.  
  954.  
  955.  
  956.  
  957.  
  958.  
  959.  
  960.  
  961.  
  962.  
  963.  
  964.  
  965.  
  966.  
  967.  
  968.  
  969.  
  970.  
  971.  
  972.  
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  975.  
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  977.  
  978.  
  979.  
  980.  
  981.  
  982.  
  983.  
  984.  
  985.  
  986.  
  987.  
  988.  
  989.  
  990.  
  991.  
  992.  
  993.           Fascicle VI.9 - Rec. Q.781    PAGE153
  994.  
  995.                                                     
  996.           TEST DESCRIPTION                          
  997.            1.   Check that normal alignment is carried out with LPO set at A.        
  998.            2.   Check that SIPO is returned when aligned, and that A stays in        
  999.                 "processor outage" state.                                            
  1000.            3.   Repeat test with LPO set at B.                                       
  1001.                                                                                      
  1002.  
  1003.  
  1004.  
  1005.  
  1006.  
  1007.  
  1008.  
  1009.  
  1010.  
  1011.  
  1012.  
  1013.  
  1014.  
  1015.  
  1016.  
  1017.  
  1018.  
  1019.  
  1020.  
  1021.  
  1022.  
  1023.  
  1024.  
  1025.  
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  1027.  
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  1038.  
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  1059.  
  1060.  
  1061.  
  1062.  
  1063.  
  1064.           PAGE148 Fascicle VI.9 - Rec. Q.781
  1065.  
  1066.                                                  MTP, LEVEL 2
  1067.  
  1068.           TEST NUMBER:  1.10                                   PAGE:  1 OF 1              
  1069.           REFERENCE:Q.703 SS 7, 8STD:Fig. 8                                    
  1070.           TITLE:Link State Control - Expected signal                           
  1071.           units/orders                                         
  1072.           SUB TITLE:Normal alignment with PO set and clear                     
  1073.           PURPOSE:To check the response following normal alignment when PO has            
  1074.           been set and cleared                                                      
  1075.           PRE-TEST CONDITIONS:Link out of service                              
  1076.           CONFIGURATION:1                                      TYPE OF TEST:VAT           
  1077.           EXPECTED SIGNAL UNIT SEQUENCE:                                       
  1078.           SPB                                                   SPA
  1079.           Link                                            Lin   
  1080.                                                           k     
  1081.                                      
  1082.  
  1083.  
  1084.  
  1085.  
  1086.  
  1087.  
  1088.  
  1089.  
  1090.  
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  1099.  
  1100.  
  1101.  
  1102.  
  1103.  
  1104.  
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  1111.  
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  1119.  
  1120.  
  1121.  
  1122.  
  1123.  
  1124.  
  1125.  
  1126.  
  1127.  
  1128.  
  1129.  
  1130.  
  1131.  
  1132.  
  1133.  
  1134.  
  1135.           Fascicle VI.9 - Rec. Q.781    PAGE153
  1136.  
  1137.                                      <-----------------   1 - 0         SIOS
  1138.                                      ---------            
  1139.           1 - 0SIOS                   -----------------   
  1140.                                      ---------->          
  1141.                                                                     :  set LPO
  1142.                                                                     :  clear LPO
  1143.                                                                     :  start
  1144.                                      <-----------------   1 - 0         SIO
  1145.                                      ---------            
  1146.           1 - 0SIO                   ------------------   
  1147.                                      --------->           
  1148.                                      <-----------------   1 - 0         SIN
  1149.                                      ---------            
  1150.           1 - 0SIN                    -----------------   
  1151.                                      ---------->          
  1152.                                      <-----------------   1 - 0         FISU
  1153.                                      ---------            
  1154.           1 - 0FISU                   -----------------   
  1155.                                      ---------->          
  1156.                                
  1157.  
  1158.  
  1159.  
  1160.  
  1161.  
  1162.  
  1163.  
  1164.  
  1165.  
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  1168.  
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  1174.  
  1175.  
  1176.  
  1177.  
  1178.  
  1179.  
  1180.  
  1181.  
  1182.  
  1183.  
  1184.  
  1185.  
  1186.  
  1187.  
  1188.  
  1189.  
  1190.  
  1191.  
  1192.  
  1193.  
  1194.  
  1195.  
  1196.  
  1197.  
  1198.  
  1199.  
  1200.  
  1201.  
  1202.  
  1203.  
  1204.  
  1205.  
  1206.           PAGE148 Fascicle VI.9 - Rec. Q.781
  1207.  
  1208.                                                     
  1209.           TEST DESCRIPTION                                               
  1210.            1.   Check that normal alignment is carried out.                          
  1211.            2.   Check that link aligns and enters "In service" state.                
  1212.                                                                                      
  1213.  
  1214.                                                  MTP, LEVEL 2
  1215.  
  1216.           TEST NUMBER:  1.11                                   PAGE:  1 OF 1              
  1217.           REFERENCE:Q.703 SS 7, 8 STD: Fig. 8                                  
  1218.           TITLE:Link State Control - Expected signal                           
  1219.           units/orders                                         
  1220.           SUB TITLE:Set RPO when "Aligned not ready"                           
  1221.           PURPOSE:To check the response following normal alignment when PO                
  1222.           has been set                                                         
  1223.           PRE-TEST CONDITIONS:Link out of service; ability     
  1224.  
  1225.  
  1226.  
  1227.  
  1228.  
  1229.  
  1230.  
  1231.  
  1232.  
  1233.  
  1234.  
  1235.  
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  1270.  
  1271.  
  1272.  
  1273.  
  1274.  
  1275.  
  1276.  
  1277.           Fascicle VI.9 - Rec. Q.781    PAGE153
  1278.  
  1279.           to set PO                                                            
  1280.           CONFIGURATION:1                                      TYPE OF TEST:VAT           
  1281.           EXPECTED SIGNAL UNIT SEQUENCE:                                       
  1282.           SPB                                                   SPA
  1283.           Link                                            Lin   
  1284.                                                           k     
  1285.                                      <-----------------   1 - 0         SIOS
  1286.                                      -----------          
  1287.           1 - 0SIOS                   -----------------   
  1288.                                      ----------->         
  1289.           :set LPO                                                  :  set LPO
  1290.                                                                     :  start
  1291.                                      <-----------------   1 - 0         SIO
  1292.                                      ------------         
  1293.           1 - 0SIO                   ------------------   
  1294.                                      ------------>        
  1295.  
  1296.  
  1297.  
  1298.  
  1299.  
  1300.  
  1301.  
  1302.  
  1303.  
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  1325.  
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  1327.  
  1328.  
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  1341.  
  1342.  
  1343.  
  1344.  
  1345.  
  1346.  
  1347.  
  1348.           PAGE148 Fascicle VI.9 - Rec. Q.781
  1349.  
  1350.                                      <-----------------   1 - 0         SIN
  1351.                                      ------------         
  1352.           1 - 0SIN                   ------------------   
  1353.                                      ------------>        
  1354.                                      <-----------------   1 - 0         SIPO
  1355.                                      ------------         
  1356.           1 - 0SIPO                   -----------------   
  1357.                                      ------------>        
  1358.                                                     
  1359.           TEST DESCRIPTION                          
  1360.            1.   Set LPO at A and B.                                                  
  1361.            2.   Start alignment.                                                     
  1362.            3.   Check that both LPO and RPO after alignment completes.               
  1363.                                                                                      
  1364.  
  1365.  
  1366.  
  1367.  
  1368.  
  1369.  
  1370.  
  1371.  
  1372.  
  1373.  
  1374.  
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  1400.  
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  1414.  
  1415.  
  1416.  
  1417.  
  1418.  
  1419.           Fascicle VI.9 - Rec. Q.781    PAGE153
  1420.  
  1421.                                                  MTP, LEVEL 2
  1422.  
  1423.           TEST NUMBER:  12                                     PAGE:  1 OF 1              
  1424.           REFERENCE:Q.703 SS 7, 8STD: Fig. 8                                              
  1425.           TITLE:Link State Control - Expected signal units/orders                         
  1426.           SUB TITLE:SIOS received when "Aligned not ready"                                
  1427.           PURPOSE:To check the response following normal alignment when PO                
  1428.           has been set                                                         
  1429.           PRE-TEST CONDITIONS:Link out of service                                         
  1430.           CONFIGURATION:1                                      TYPE OF TEST:VAT           
  1431.           EXPECTED SIGNAL UNIT SEQUENCE:                                                  
  1432.           SPB                                                   SPA
  1433.           Link                                            Lin   
  1434.                                                           k     
  1435.                                      
  1436.  
  1437.  
  1438.  
  1439.  
  1440.  
  1441.  
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  1471.  
  1472.  
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  1478.  
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  1483.  
  1484.  
  1485.  
  1486.  
  1487.  
  1488.  
  1489.  
  1490.           PAGE148 Fascicle VI.9 - Rec. Q.781
  1491.  
  1492.                                      <-----------------   1 - 0         SIOS
  1493.                                      ---------            
  1494.           1 - 0SIOS                    ----------------   
  1495.                                      --------->           
  1496.                                                                     :  set LPO
  1497.                                                                      :  start
  1498.                                      <-----------------   1 - 0         SIO
  1499.                                      ---------            
  1500.           1 - 0SIO                   ------------------   
  1501.                                      --------->           
  1502.                                      <-----------------   1 - 0         SIN
  1503.                                      ---------            
  1504.           1 - 0SIN                    -----------------   
  1505.                                      ---------->          
  1506.                                      <-----------------   1 - 0         SIPO
  1507.                                      ---------            
  1508.           :stop                                           
  1509.           1 - 0SIOS                   -----------------   
  1510.                                      ---------->          
  1511.                                      
  1512.  
  1513.  
  1514.  
  1515.  
  1516.  
  1517.  
  1518.  
  1519.  
  1520.  
  1521.  
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  1542.  
  1543.  
  1544.  
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  1546.  
  1547.  
  1548.  
  1549.  
  1550.  
  1551.  
  1552.  
  1553.  
  1554.  
  1555.  
  1556.  
  1557.  
  1558.  
  1559.  
  1560.  
  1561.           Fascicle VI.9 - Rec. Q.781    PAGE153
  1562.  
  1563.                                      <-----------------   1 - 0         SIOS
  1564.                                      ---------            
  1565.                                                     
  1566.           TEST DESCRIPTION                          
  1567.            1.   Soon after alignment completes, A enters "Aligned not ready".        
  1568.            2.   Before alignment completes, stop command is given at B.              
  1569.            3.   Check that, on reception of SIOS, A enters "Out of service" state.   
  1570.            4.   Repeat test with LPO set at B.                                       
  1571.                                                                                      
  1572.  
  1573.  
  1574.                                                  MTP, LEVEL 2
  1575.  
  1576.           TEST NUMBER:  1.13                                   PAGE:  1 OF 1              
  1577.           REFERENCE:Q.703 SS 7, 8STD: Fig. 8                                              
  1578.           TITLE:Link State Control - Expected signal units/orders              
  1579.  
  1580.  
  1581.  
  1582.  
  1583.  
  1584.  
  1585.  
  1586.  
  1587.  
  1588.  
  1589.  
  1590.  
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  1600.  
  1601.  
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  1620.  
  1621.  
  1622.  
  1623.  
  1624.  
  1625.  
  1626.  
  1627.  
  1628.  
  1629.  
  1630.  
  1631.  
  1632.           PAGE148 Fascicle VI.9 - Rec. Q.781
  1633.  
  1634.                                                                                           
  1635.           SUB TITLE: SIO received when "Aligned not ready"                                
  1636.           PURPOSE:To check the response following normal alignment when PO                
  1637.           has been set                                                         
  1638.           PRE-TEST CONDITIONS:Link out of service                                         
  1639.           CONFIGURATION: 1                                     TYPE OF TEST:VAT           
  1640.           EXPECTED SIGNAL UNIT SEQUENCE:                                 
  1641.           SPB                                                   SP      A
  1642.           Link                                            Lin   
  1643.                                                           k     
  1644.                                      <-----------------   1 - 0         SIOS
  1645.                                      ---------            
  1646.           1 - 0SIOS                    ----------------   
  1647.                                      ---------->          
  1648.                                                                     :  set LPO
  1649.                                      
  1650.  
  1651.  
  1652.  
  1653.  
  1654.  
  1655.  
  1656.  
  1657.  
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  1670.  
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  1672.  
  1673.  
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  1700.  
  1701.  
  1702.  
  1703.           Fascicle VI.9 - Rec. Q.781    PAGE153
  1704.  
  1705.                                                                     :  start
  1706.                                      <-----------------   1 - 0         SIO
  1707.                                      ---------            
  1708.           1 - 0SIO                    -----------------   
  1709.                                      --------->           
  1710.                                      <-----------------   1 - 0         SIN
  1711.                                      -------- -           
  1712.           1 - 0SIN                    -----------------   
  1713.                                      --------->           
  1714.                                      <-----------------   1 - 0         SIPO
  1715.                                      ---------            
  1716.           1 - 0SIO                    -----------------   
  1717.                                      --------->           
  1718.                                      <-----------------   1 - 0         SIOS
  1719.                                      ---------            
  1720.                                                     
  1721.           TEST DESCRIPTION                          
  1722.            1.   Soon after alignment completes, A enters "Aligned not ready".        
  1723.            2.   
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  1773.  
  1774.           PAGE148 Fascicle VI.9 - Rec. Q.781
  1775.  
  1776.                 Before alignment completes at B, SIO is sent to A.                   
  1777.            3.   Check that, on reception of SIO, A enters "Out of service" state.    
  1778.            4.   Repeat test with LPO set at B.                                       
  1779.                                                                                      
  1780.  
  1781.                                                  MTP, LEVEL 2
  1782.  
  1783.           TEST NUMBER:  1.14                                   PAGE:  1 OF 1              
  1784.           REFERENCE: Q.703 SS 7, 8STD: Fig. 8                                             
  1785.           TITLE: Link State Control - Expected signal units/orders                        
  1786.           SUB TITLE:Set and clear LPO when "Initial alignment"                            
  1787.           PURPOSE:To check normal alignment with PO set and clear during                  
  1788.           "Initial alignment"                                                  
  1789.           PRE-TEST CONDITIONS:Link out of service                                         
  1790.           CONFIGURATION:1                                      
  1791.  
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  1844.  
  1845.           Fascicle VI.9 - Rec. Q.781    PAGE153
  1846.  
  1847.                                                                TYPE OF TEST:VAT           
  1848.           EXPECTED SIGNAL UNIT SEQUENCE:                                                  
  1849.           SPB                                                   SPA
  1850.           Link                                            Lin   
  1851.                                                           k     
  1852.                                      <-----------------   1 - 0         SIOS
  1853.                                      --------             
  1854.           1 - 0SIOS                  ------------------   
  1855.                                      -------->            
  1856.                                                                     :   start
  1857.                                      <-----------------   1 - 0         SIO
  1858.                                      --------             
  1859.           1 - 0SIO                    -----------------   
  1860.                                      --------->           
  1861.                                      <-----------------   1 - 0         SIN
  1862.                                      --------             
  1863.                                                                     :  set LPO
  1864.           1 - 0SIN                   
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  1915.  
  1916.           PAGE148 Fascicle VI.9 - Rec. Q.781
  1917.  
  1918.                                       -----------------   
  1919.                                      --------->           
  1920.                                                                     :  clear LPO
  1921.                                      <-----------------   1 - 0         FISU
  1922.                                      --------             
  1923.           1 - 0FISU                   -----------------   
  1924.                                      --------->           
  1925.                                      <-----------------   1 - 0         FISU
  1926.                                      --------             
  1927.                                                     
  1928.           TEST DESCRIPTION                                                     
  1929.            1.   Set LPO at A during "Initial alignment" state.                       
  1930.            2.   Check A remains in "Initial alignment" state.                        
  1931.            3.   Clear LPO before alignment completes at A.                           
  1932.            4.   Check A enters "In service" state after normal alignment.            
  1933.            5.   
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  1986.  
  1987.           Fascicle VI.9 - Rec. Q.781    PAGE153
  1988.  
  1989.                 Repeat the test at B.                                                
  1990.                                                                                      
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  2058.           PAGE148 Fascicle VI.9 - Rec. Q.781
  2059.  
  2060.