MTP LEVEL 2 TEST NUMBER: 3.4 PAGE: 1 OF 1 REFERENCE:Q.703 S 5.3, 8STD:Fig. 8 TITLE:Transmission failure SUB TITLE:Link aligned not ready (Corrupt FIBs - Basic) PURPOSE:To check the response to a link failure after corruption of two FIBs - detected by reception control - while in "Aligned not ready" PRE-TEST CONDITIONS:Link out of service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k PAGE190 Fascicle VI.9 - Q.781 <----------------- 1 - 0 SIOS --------- 1 - 0SIOS ----------------- ----------> : set LPO : start <----------------- 1 - 0 SIO --------- 1 - 0SIO ----------------- ----------> <----------------- 1 - 0 SIN --------- 1 - 0SIN ----------------- ----------> <----------------- 1 - 0 SIPO --------- 1 - 0FISU corrupt FIB ----------------- (FIB+FSN=7F) ----------> 1 - 0FISU corrupt FIB ----------------- (FIB+FSN=7F) ----------> Fascicle VI.9 - Q.781 PAGE201 <----------------- 1 - 0 SIOS --------- TEST DESCRIPTION 1. Set LPO at A. 2. Start link alignment at A. 3. Send two corrupt FISUs (corrupt FIBs) on link aligned not ready. 4. Check link is taken out of service at A. MTP LEVEL 2 TEST NUMBER: 3.5 PAGE: 1 OF 1 REFERENCE:Q.703 S 4, 10.2STD:Fig. 8 TITLE:Transmission failure PAGE190 Fascicle VI.9 - Q.781 SUB TITLE:Link in service (Break Tx path) PURPOSE:To test the response to a transmission failure when the link is "In service" PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 TYPE OF TEST:VAT, CPT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> : break Tx Fascicle VI.9 - Q.781 PAGE201 <----------------- SIOS --------- TEST DESCRIPTION 1. Break Tx at B, check SIOS returned from A. 2. Repeat test, break at A. MTP LEVEL 2 TEST NUMBER: 3.6 PAGE: 1 OF 1 REFERENCE:Q.703 S 5.3 STD: Fig. 8 TITLE:Transmission failure SUB TITLE:Link in service (Corrupt FIBs - Basic) PURPOSE:To check the response to a link failure after corruption of two PAGE190 Fascicle VI.9 - Q.781 FIBS - detected by reception control - while "In service" PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 TYPE OF TEST: VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- (FIB+FISN=FF) ----------> 1 - 0FISU corrupt FIB ----------------- (FIB+FSN=7F) ----------> 1 - 0FISU corrupt FIB ----------------- (FIB+FSN=7F) ----------> <----------------- 1 - 0 SIOS --------- Fascicle VI.9 - Q.781 PAGE201 TEST DESCRIPTION 1. Check that receipt of two FISUs at A with corrupt FIBs at link in service state causes the link to be taken out of service. MTP LEVEL 2 TEST NUMBER: 3.7 PAGE: 1 OF 1 REFERENCE:Q.703 S 8, 10.2STD:Fig. 8 TITLE:Transmission failure SUB TITLE:Link in processor outage (Break Tx path) PURPOSE:To test the response to a transmission failure when the link is "Processor outage" PRE-TEST CONDITIONS:Link in service PAGE190 Fascicle VI.9 - Q.781 CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 FISU -------- 1 - 0FISU ----------------- ----------> : set LPO <----------------- 1 - 0 SIPO --------- : break Tx <----------------- 1 - 0 SIOS --------- Fascicle VI.9 - Q.781 PAGE201 TEST DESCRIPTION 1. Break Tx path at B when in "Processor outage" state, check that the SUERM detects the failure and the link is taken out of service. 2. Repeat test, break TX at A. MTP LEVEL 2 TEST NUMBER: 3.8 PAGE: 1 OF 1 REFERENCE:Q.703 S 5.3, 8STD:Fig. 8 TITLE:Transmission failure SUB TITLE:Link in processor outage (Corrupt FIBs - Basic) PURPOSE:To check the response to a link failure after corruption of two FIBs - detected by reception control - while in "Processor outage" PRE-TEST CONDITIONS:Link in service PAGE190 Fascicle VI.9 - Q.781 CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> : set LPO <----------------- 1 - 0 SIPO --------- 1 - 0FISU corrupt FIB ----------------- (FIB+FSN=7F) ----------> 1 - 0FISU corrupt FIB ----------------- (FIB+FSN=7F) ----------> <----------------- 1 - 0 SIOS --------- Fascicle VI.9 - Q.781 PAGE201 TEST DESCRIPTION 1. Check that receipt of two FISUs at A with corrupt FIBs on processor outage state causes the link to be taken out of service. MTP LEVEL 2 TEST NUMBER: 4.1 PAGE: 1 OF 1 REFERENCE:Q.703 S 8 STD:Fig. 10 TITLE:Processor outage control SUB TITLE:Set and clear LPO while link in service PURPOSE:To check the ability to perform correctly when LPO is set and recovered PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 PAGE190 Fascicle VI.9 - Q.781 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> : set LPO <----------------- 1 - 0 SIPO --------- : clear LPO <----------------- 1 - 0 FISU --------- <----------------- 1 - 0 MSU --------- (FIB+FSN=80) Fascicle VI.9 - Q.781 PAGE201 TEST DESCRIPTION 1. Set LPO at A while link in service. 2. Check message is discarded. 3. Clear LPO at A. 4. Check MSU is sent correctly. MTP LEVEL 2 TEST NUMBER: 4.2 PAGE: 1 OF 1 REFERENCE:Q.703 S 8STD:Fig. 10 TITLE:Processor outage control SUB TITLE:RPO during LPO PAGE190 Fascicle VI.9 - Q.781 PURPOSE:To test the response to RPO is set and cleared when "LPO" PRE-TEST CONDITIONS:Link in service. PO set at B CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k : set LPO <----------------- 1 - 0 SIPO --------- 1 - 0SIPO ----------------- ----------> <----------------- 1 - 0 SIPO --------- Fascicle VI.9 - Q.781 PAGE201 : clear LPO 1 - 0FISU ----------------- ----------> <----------------- 1 - 0 SIPO --------- TEST DESCRIPTION 1. Set LPO at A. 2. Clear LPO at B. 3. Check is SIPO sent from A. MTP LEVEL 2 TEST NUMBER: 4.3 PAGE: 1 OF 1 REFERENCE: Q.703 S 8STD: Fig. 10 PAGE190 Fascicle VI.9 - Q.781 TITLE:Processor outage control SUB TITLE:Clear LPO when "Both processor outage" PURPOSE:To test the response to LPO, RPO recovered when "Both processor outage" PRE-TEST CONDITIONS:PO set at A and B CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 SIPO --------- 1 - 0SIPO ----------------- ----------> Fascicle VI.9 - Q.781 PAGE201 : clear LPO <----------------- 1 - 0 FISU --------- : clear LPO 1 - 0FISU ----------------- ----------> <----------------- 1 - 0 FISU --------- TEST DESCRIPTION 1. Clear LPO at A. 2. Clear LPO at B. 3. Check is FISU sent from A. PAGE190 Fascicle VI.9 - Q.781 MTP LEVEL 2 TEST NUMBER: 5.1 PAGE: 1 OF 1 REFERENCE:Q.703 S 4.1STD:Fig. 11 TITLE:SU delimitation, alignment, error detection and correction SUB TITLE:More than seven '1's between MSU opening and closing flags PURPOSE:To test the signal unit delimitation, alignment, and error detection action on receipt of an MSU containing seven or more consecutive '1's PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k Fascicle VI.9 - Q.781 PAGE201 <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> 1 - 0corrupt MSU ----------------- (FIB+FSN=80) ----------> (containing seven consecutive '1's) <----------------- 1 - 0 FISU --------- (BSN unchanged) 1 - 0FISU ----------------- ----------> TEST DESCRIPTION 1. Send a corrupt MSU at B containing seven consecutive '1's. 2. Check that A discards the signal unit, and goes into octet counting mode. 3. On reception of a correct FISU, check that A leaves the octet counting mode and remains in the "in service" state. PAGE190 Fascicle VI.9 - Q.781 MTP LEVEL 2 TEST NUMBER: 5.2 PAGE: 1 OF 1 REFERENCE:Q.703 S 4.1STD:Fig. 11 TITLE:SU delimitation, alignment, error detection and correction SUB TITLE:Greater than maximum signal unit length PURPOSE:To test the signal unit delimitation, alignment, error detection action on receipt of signal unit greater than the maximum length PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k Fascicle VI.9 - Q.781 PAGE201 <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> 1 - 0corrupt MSU ----------------- (FIB+FSN=80) ----------> (signal unit length > max. allowed) <----------------- 1 - 0 FISU --------- (BSN unchanged) 1 - 0FISU ----------------- ----------> TEST DESCRIPTION 1. Send corrupt MSU at B with maximum length plus extra bits and good sumcheck. 2. Check A discards the signal unit, and goes into octet counting mode. 3. On reception of a correct FISU, check that A leaves the octet counting mode and remains in the "in service" state. PAGE190 Fascicle VI.9 - Q.781 MTP LEVEL 2 TEST NUMBER: 5.3 PAGE: 1 OF 1 REFERENCE:Q.703 S 4.1STD:Fig. 11 TITLE:SU delimitation, alignment, error detection and correction SUB TITLE:Below minimum signal unit length PURPOSE:To test the signal unit delimitation, alignment and error detection action on receipt of signal unit less than the minimum length PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SP A Link Lin k Fascicle VI.9 - Q.781 PAGE201 <----------------- 1 - 0 FISU -------- (BIB+BSN=FF) 1 - 0FISU ----------------- ---------> 1 - 0corrupt MSU ----------------- (FIB+FSN=80) ---------> (signal unit less than 6 octets) <----------------- 1 - 0 FISU -------- (BSN unchanged) 1 - 0FISU ----------------- ---------> TEST DESCRIPTION 1. Generate a corrupt MSU at B of less than 6 octets (i.e. less than 5 octets between flags). 2. Check A discards the signal unit, and goes into octet counting mode. 3. On reception of a correct FISU, check that A leaves the octet counting mode and remains in the "in service" state. PAGE190 Fascicle VI.9 - Q.781 MTP LEVEL 2 TEST NUMBER: 5.4 PAGE: 1 OF 1 REFERENCE:Q.703 S 2STD: Fig. 11 TITLE:SU delimitation, alignment, error detection and correction SUB TITLE:Reception of single and multiple flags between FISUs PURPOSE:To check that single and multiple flags between FISUs can be received PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k Fascicle VI.9 - Q.781 PAGE201 1 - 0FISU ----------------- ------------> case 1 FISU F FISU case 2 FISU F F FISU F: Flag n( ³ 2) n=number of flags 1 - 0FISU ----------------- ------------> TEST DESCRIPTION 1. Check that single and n flags, case 1 and case 2 respectively, can be received. PAGE190 Fascicle VI.9 - Q.781