| Link_State_Control_01 | Link State Control – Expected signal units/orders |
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| SC_01_01 | To check that the No. 7 terminal equipment enters the correct state on power-up. |
| SC_01_05 | To check normal alignment procedure |
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| Link_State_Control_02 | Link State Control – Unexpected signal units/orders |
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| SC_02_01 | To check that the unexpected signal units/orders are ignored ("Out of service" state) |
| SC_02_02 | To check that the unexpected signal units/orders are ignored ("Not aligned" state) |
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| Transmission_failure_03 | Transmission Failure |
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| SC_03_01 | Test response to transmission failure – detected by SUERM – when in "Aligned ready" state |
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| SUERM_check_06 | SUERM Check |
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| SC_06_04 | To check response to a range of time controlled breaks of Tx or Rx |
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| AERM_check_07 | AERM Check |
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| SC_07_01 | To test the AERM on error rates below the normal threshold |
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| Transmission_and_reception_control_Basic_08 | Transmission Control |
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| SC_08_04 | To ensure correct performance when an MSU with erroneous FIB is received |
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| Transmission_and_reception_control_PCR_09 | Transmission PCR |
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| SC_09_07 | To ensure correct performance while RPO is set |
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| Congestion_Control_10 | Congestion Control |
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| SC_10_02 | To check timer T7 is restarted at the reception of SIB (without expiring of T6) |
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