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MTP LEVEL 2 TEST NUMBER: 2.1 PAGE: 1 OF 1 REFERENCE:Q.703 SS 7, 11STD: Fig. 8 TITLE:Link State Control - Unexpected signal units/orders SUB TITLE:Unexpected signal units/orders in "Out of service" state PURPOSE:To check that the unexpected signal units/orders are ignored PRE-TEST CONDITIONS:Link out of service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k Fascicle VI.9 - Rec. Q.781 PAGE179 <----------------- 1 - 0 SIOS --------- 1 - 0SIOS ----------------- ----------> xxx ----------------- ----------> yyy : start <----------------- 1 - 0 SIO --------- 1 - 0SIO ----------------- ----------> <----------------- 1 - 0 SIN --------- 1 - 0SIN ----------------- ----------> <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> PAGE188 Fascicle VI.9 - Rec. Q.781 TEST DESCRIPTION 1. Check that the unexpected signal units xxx received from B are ignored without impact on the system. xxx are successively SIO, SIN, SIE, SIPO, SIB, aberrant LSSU (non-existing status, one and two octects), FISU and MSU. 2. Check that the unexpected orders yyy = Stop from level 3 are ignored without impact on system (if applicable). MTP, LEVEL 2 TEST NUMBER: 2.2 PAGE: 1 OF 1 REFERENCE:Q.703 SS 7, 11STD: Fig. 9 TITLE:Link State Control - Unexpected signal units/orders SUB TITLE:Unexpected signal units/orders in "Not aligned" state PURPOSE:To check that unexpected signal units/orders are ignored PRE-TEST CONDITIONS:Link out of service Fascicle VI.9 - Rec. Q.781 PAGE179 CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 SIOS --------- 1 - 0SIOS ----------------- ----------> : start <----------------- 1 - 0 SIO --------- xxx ----------------- ----------> yyy 1 - 0SIO PAGE188 Fascicle VI.9 - Rec. Q.781 ----------------- ----------> <----------------- 1 - 0 SIN --------- 1 - 0SIN ----------------- ----------> <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> TEST DESCRIPTION 1. Check that the unexpected signal unit xxx received from B are ignored without impact on the system. xxx are successively SIOS, SIPO, SIB, aberrant LSSU, FISU and MSU. 2. Check that the unexpected orders yyy received from Level 3 are ignored without impact on the system. yyy are successively clear EM and start (if applicable). MTP, LEVEL 2 TEST NUMBER: 2.3 Fascicle VI.9 - Rec. Q.781 PAGE179 PAGE: 1 OF 1 REFERENCE:Q.703 SS 7, 11STD: Fig. 9 TITLE:Link State Control - Expected signal units/orders SUB TITLE:Unexpected signal units/orders in "Aligned" state PURPOSE:To check that unexpected signal units/orders are ignored PRE-TEST CONDITIONS:Link out of service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 SIOS --------- 1 - 0SIOS PAGE188 Fascicle VI.9 - Rec. Q.781 ----------------- ----------> : start <----------------- 1 - 0 SIO --------- 1 - 0SIO ----------------- ----------> <----------------- 1 - 0 SIN --------- xxx ----------------- ----------> yyy 1 - 0SIN ----------------- ----------> <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> TEST DESCRIPTION Fascicle VI.9 - Rec. Q.781 PAGE179 1. Check that the unexpected signal units xxx received from B are ignored without impact on the system. xxx are successively SIO, SIPO, SIB, aberrant LSSU, FISU and MSU. 2. Check that the unexpected orders yyy received from Level 3 are ignored without impact on the system. yyy are successively clear EM and start (if applicable). MTP, LEVEL 2 TEST NUMBER: 2.4 PAGE: 1 OF 1 REFERENCE:Q.703 SS 7, 11STD: Fig. 9 TITLE:Link State Control - Unexpected signal units/orders SUB TITLE:Unexpected signal units/orders in "Proving" state PURPOSE:To check that unexpected signal units/orders are ignored PRE-TEST CONDITIONS:Link out of service CONFIGURATION:1 PAGE188 Fascicle VI.9 - Rec. Q.781 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 SIOS --------- 1 - 0SIOS ----------------- ----------> : start <----------------- 1 - 0 SIO --------- 1 - 0SIO ----------------- ----------> <----------------- 1 - 0 SIN --------- 1 - 0SIN ----------------- ----------> xxx Fascicle VI.9 - Rec. Q.781 PAGE179 ----------------- ---------> yyy <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> TEST DESCRIPTION 1. Check that the unexpected signal units xxx received from B are ignored without impact on the system. xxx are successively SIPO, SIB, aberrant LSSU, FISU and MSU. 2. Check that the unexpected orders yyy received from Level 3 are ignored without impact on the system. yyy are successively clear EM and start (if applicable). Note - The reception of SIB in "Initial alignment" state may possibly cause link failure after transferring to "In service" state because of the T6 expiration. MTP, LEVEL 2 TEST NUMBER: 2.5 PAGE188 Fascicle VI.9 - Rec. Q.781 PAGE: 1 OF 1 REFERENCE:Q.703 SS 7, 11STD: Fig. 8 TITLE:Link State Control - Unexpected signal units/orders SUB TITLE:Unexpected signal units/orders in "Aligned ready" state PURPOSE:To check that unexpected signal units/orders are ignored PRE-TEST CONDITIONS:Link out of service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 SIOS --------- 1 - 0SIOS Fascicle VI.9 - Rec. Q.781 PAGE179 ----------------- ----------> : start <----------------- 1 - 0 SIO --------- 1 - 0SIO ----------------- ----------> <----------------- 1 - 0 SIN --------- 1 - 0SIN ----------------- ----------> <----------------- 1 - 0 FISU --------- xxx ----------------- ----------> yyy 1 - 0FISU ------------------ ---------> TEST DESCRIPTION PAGE188 Fascicle VI.9 - Rec. Q.781 1. Check that the unexpected signal units xxx received from B are ignored without impact on the system. xxx are successively SIB and aberrant LSSU. 2. Check that the unexpected orders yyy received from level 3 are ignored without impact on the system. yyy are successively set EM, clear EM, clear LPO and Start (if applicable). Note - The reception of SIB in "Aligned ready" state may possibly cause link failure after transferring to "In service" state because of the T6 expiration. MTP, LEVEL 2 TEST NUMBER: 2.6 PAGE: 1 OF 1 REFERENCE:Q.703 SS 7, 11STD: Fig. 8 TITLE:Link State Control - Unexpected signal units/orders SUB TITLE:Unexpected signal units/orders in "Aligned not ready" state PURPOSE:To check that unexpected signal units/orders are ignored PRE-TEST CONDITIONS:Link out of service Fascicle VI.9 - Rec. Q.781 PAGE179 CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 SIOS -------- 1 - 0SIOS ----------------- ---------> : set LPO : start <----------------- 1 - 0 SIO -------- 1 - 0SIO ----------------- ---------> PAGE188 Fascicle VI.9 - Rec. Q.781 <----------------- 1 - 0 SIN -------- 1 - 0SIN ----------------- ---------> <----------------- 1 - 0 SIPO -------- xxx ----------------- ---------> yyy 1 - 0FISU ----------------- ---------> <----------------- 1 - 0 SIPO -------- TEST DESCRIPTION 1. Check that the unexpected signal units xxx received from B are ignored without impact on the system. xxx are successively SIB and aberrant LSSU. 2. Check that the unexpected orders yyy received from level 3 are ignored without impact on the system. yyy are successively set EM, clear EM, clear LPO and Start (if applicable). Fascicle VI.9 - Rec. Q.781 PAGE179 MTP, LEVEL 2 TEST NUMBER: 2.7 PAGE: 1 OF 1 REFERENCE:Q.703 SS 7, 11STD: Fig. 8 TITLE:Link State Control - Unexpected signal units/orders SUB TITLE:Unexpected signal units/orders in "In service" state PURPOSE:To check unexpected signal units/orders are ignored PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin PAGE188 Fascicle VI.9 - Rec. Q.781 k <----------------- 1 - 0 FISU --------- 1 - 0FISU ------------------ ---------> aberrant LSSU ----------------- ----------> yyy <----------------- 1 - 0 FISU --------- 1 - 0FISU ----------------- ----------> TEST DESCRIPTION 1. Check that an aberrant LSSU received from B is ignored without impact on the system. 2. Check that the unexpected orders yyy received from level 3 are ignored without impact on the system. yyy are successively set EM, clear EM, clear LPO and Start (if applicable). Fascicle VI.9 - Rec. Q.781 PAGE179 MTP, LEVEL 2 TEST NUMBER: 2.8 PAGE: 1 OF 1 REFERENCE:Q.703 SS 7, 11STD: Fig. 8 TITLE:Link State Control - Unexpected signal units/orders SUB TITLE:Unexpected signal units/orders in "Processor outage" state PURPOSE:To check that the unexpected signal units/orders are ignored PRE-TEST CONDITIONS:Link in service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link PAGE188 Fascicle VI.9 - Rec. Q.781 Lin k : set LPO <----------------- 1 - 0 SIPO --------- xxx ----------------- ----------> yyy 1 - 0FISU ----------------- ----------> TEST DESCRIPTION 1. Check that the unexpected signal units xxx received from A are ignored without impact on the system. xxx are successively SIB and aberrant LSSU. 2. Check that the unexpected orders yyy received from level 3 are ignored without impact on the system. yyy are successively set EM, clear EM and Start (if applicable). Fascicle VI.9 - Rec. Q.781 PAGE179 MTP, LEVEL 2 TEST NUMBER: 3.1 PAGE: 1 OF 1 REFERENCE:Q.703 SS 4, 10.2STD: Fig. 8 TITLE:Transmission failure SUB TITLE:Link aligned ready (Break Tx path) PURPOSE:To test the response to a transmission failure - detected by SUERM - when in "Aligned ready" state PRE-TEST CONDITIONS:Link out of service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k PAGE188 Fascicle VI.9 - Rec. Q.781 <----------------- 1 - 0 SIOS --------- 1 - 0SIOS ----------------- ----------> : start <----------------- 1 - 0 SIO --------- 1 - 0SIO ----------------- ----------> <----------------- 1 - 0 SIN --------- 1 - 0SIN ----------------- ----------> <----------------- 1 - 0 FISU --------- :break Tx <----------------- 1 - 0 SIOS --------- Fascicle VI.9 - Rec. Q.781 PAGE179 TEST DESCRIPTION 1. Break Tx path at B when in "Aligned ready" 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: 3.2 PAGE: 1 OF 1 REFERENCE:Q.703 S 5.3STD: Fig. 8 TITLE:Transmission failure SUB TITLE:Link aligned 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 ready State. PRE-TEST CONDITIONS:Aligned ready PAGE188 Fascicle VI.9 - Rec. Q.781 CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA Link Lin k <----------------- 1 - 0 FISU --------- 1 - 0FISU corrupt ----------------- FIB ----------> (FIB+FSN=7F) 1 - 0FISU corrupt ----------------- FIB ----------> (FIB+FSN=7F) <----------------- 1 - 0 SIOS --------- TEST DESCRIPTION 1. Check that receipt of two FISUs at A with corrupt FIB's at link aligned ready state causes the link to be taken out of service. Fascicle VI.9 - Rec. Q.781 PAGE179 MTP, LEVEL 2 TEST NUMBER: 3.3 PAGE: 1 OF 1 REFERENCE:Q.703 SS 8, 10.3STD: Fig. 8 TITLE:Transmission failure SUB TITLE:Link aligned not ready (Break Tx path) PURPOSE:To test the response to a break in the transmission path - detected by SUERM - in "Aligned not ready" state PRE-TEST CONDITIONS:Link out of service CONFIGURATION:1 TYPE OF TEST:VAT EXPECTED SIGNAL UNIT SEQUENCE: SPB SPA PAGE188 Fascicle VI.9 - Rec. Q.781 Link Lin k <----------------- 1 - 0 SIOS --------- 1 - 0SIOS ----------------- ----------> : set LPO : start <----------------- 1 - 0 SIO --------- 1 - 0SIO ----------------- ----------> <----------------- 1 - 0 SIN --------- 1 - 0SIN ----------------- ----------> <----------------- 1 - 0 SIPO --------- :break Tx Fascicle VI.9 - Rec. Q.781 PAGE179 <----------------- 1 - 0 SIOS --------- TEST DESCRIPTION 1. Set LPO at A. 2. Start link alignment at A. 3. In link aligned not ready state break Tx at B and check link is taken out of service. 4. Repeat test for B with break in Tx at A, check link is taken out of service. 5. The Tx path must be broken before Timer T1 expires. PAGE188 Fascicle VI.9 - Rec. Q.781