MTP LEVEL 2

TEST NUMBER:	7.4	PAGE:	1 OF 1		
REFERENCE:	Q.703 § 10.3	STD:	Fig. 9, Fig. 11, Fig. 17			
TITLE:	AERM check			
SUB TITLE:	Error rate at the emergency threshold			
PURPOSE:	To test the AERM at the emergency threshold			
PRE–TEST CONDITIONS:	Link out of service			
CONFIGURATION:		1	TYPE OF TEST:	VAT		
EXPECTED SIGNAL UNIT SEQUENCE:			
	SP		B		SP		A		
Link	Link		
	<--------------------------	1 – 0			SIOS	
1 – 0	SIOS	 --------------------------->		
						:	start	
	<--------------------------	1 – 0			SIO	
1 – 0	SIO	 --------------------------->		
	<--------------------------	1 – 0			SIN	
1 – 0	SIE	 --------------------------->		
1 – 0	½  corrupt LSSU	 --------------------------->		
1 – 0	½  SIE	 --------------------------->		
T4	½
(Pe)	½
	½	<--------------------------

<--------------------------	1 – 0			SIN

1 – 0			FISU	
			
TEST DESCRIPTION			
1.	Start link at A, check emergency proving started from B.		
2.	Generate x number of corrupt LSSUs (e.g. CRC error) at B. (5 > x  Tie).		
3.	Check that link aligns successfully.		

MTP LEVEL 2

TEST NUMBER:	8.1	PAGE: 	1 OF 1		
REFERENCE:	Q.703 § 5.2 	STD:	Fig. 13, Fig. 14			
TITLE:	Transmission and reception control (Basic)			
SUB TITLE:	MSU transmission and reception			
PURPOSE:	To check basic MSU transmission and reception			
PRE–TEST CONDITIONS:	Link in service			
CONFIGURATION:	1	TYPE OF TEST:	VAT, CPT		
EXPECTED SIGNAL UNIT SEQUENCE:			
	SP		B		SP		A		
Link	Link		
	<--------------------------	1 – 0			FISU	
1 – 0	FISU	 --------------------------->		
1 – 0	MSU
	(FIB+FSN=80)
	(BIB+BSN=FF)	 --------------------------->		
	<--------------------------	1 – 0			FISU
			(FIB+FSN=FF)
			(BIB+BSN=80)	
1 – 0	FISU
	(FIB+FSN=80)
	(BIB+BSN=FF)	 --------------------------->		
	<--------------------------	1 – 0			MSU
			(FIB+FSN=80)
			(BIB+BSN=80)	
1 – 0	FISU
	(FIB+FSN=80)
	(BIB+BSN=80)	 --------------------------->		
	<--------------------------	1 – 0			FISU
			(FIB+FSN=80)
			(BIB+BSN=80)	
			
TEST DESCRIPTION			
1.	Generate an MSU at B.		
2.	Check that A receives the MSU correctly, and returns a positive acknowledgement.		
3.	Generate an MSU at A.		
4.	Check that B receives the MSU correctly, and returns a positive acknowledgement.		

MTP LEVEL 2

TEST NUMBER:	8.2	PAGE:	1 OF 1		
REFERENCE:	Q.703 § 5.3	STD:	Fig. 13			
TITLE:	Transmission and reception control (Basic)			
SUB TITLE:	Negative acknowledgement of an MSU			
PURPOSE:	To test the response to a negatively acknowledged MSU			
PRE–TEST CONDITIONS:	Link in service			
CONFIGURATION:	1	TYPE OF TEST:	VAT		
EXPECTED SIGNAL UNIT SEQUENCE:			
	SP		B		SP		A		
Link	Link		
	<-------------------------	1 – 0			FISU	
1 – 0	FISU	 -------------------------->		
	<-------------------------	1 – 0			MSU
			(FIB+FSN=80)	
	<-------------------------	1 – 0			MSU
			(FIB+FSN=81)	
1 – 0	FISU
	(BIB+BSN=7F)	 -------------------------->		
	<-------------------------	1 – 0			MSU
			(FIB+FSN=00)	
	<-------------------------	1 – 0			MSU
			(FIB+FSN=01)	
			
TEST DESCRIPTION			
1.	Send MSU from A.		
2.	Reply with negative acknowledgement from B.		
3.	Check that A retransmits the MSU.		

MTP LEVEL 2

TEST NUMBER:	8.3	PAGE:	1 OF 1		
REFERENCE:	Q.703 § 5.3	STD:	Fig. 13			
TITLE:	Transmission and reception control (Basic)			
SUB TITLE:	Check RTB full			
PURPOSE:	To check that MSUs are buffered when no acknowledgements are received			
PRE–TEST CONDITIONS:	Link in service			
CONFIGURATION:	1	TYPE OF TEST:	VAT		
EXPECTED SIGNAL UNIT SEQUENCE:			
	SP		B		SP		A		
Link	Link		
	<--------------------------	1 – 0			FISU	
1 – 0	FISU
	(BIB+BSN=FF)	 --------------------------->		
	<--------------------------	1 – 0			MSU
			(FIB+FSN=80)
				· 
				·	
	<--------------------------	1 – 0			MSU
			(FIB+FSN=FE)		
	<--------------------------	1 – 0			FISU
			(FIB+FSN=FE)	
1 – 0	FISU
	(BIB+BSN=7F)	 --------------------------->		
	<---------------------------	1 – 0			MSU
			(FIB+FSN=00)
				· 
				·	
	<--------------------------	1 – 0			MSU
			(FIB+FSN=7E)	
			
TEST DESCRIPTION			
1.	Generate MSUs at A, at a rate of 100 per second, in order to fill the RTB before the EDA timer T7 expires.		
2.	No acknowledgements are sent from B until the last message is received, then send negative acknowledgement to the first message received.		
3.	Check that the complete contents of the RTB are retransmitted.		

MTP LEVEL 2

TEST NUMBER:	8.4	PAGE:	1 OF 1		
REFERENCE:	Q.703 § 5.2	STD:	Fig. 14			
TITLE:	Transmission and reception control (Basic)			
SUB TITLE:	Single MSU with erroneous FIB			
PURPOSE:	To ensure correct performance when an MSU with erroneous FIB is received			
PRE–TEST CONDITIONS:	Link in service			
CONFIGURATION:	1	TYPE OF TEST:	VAT		
EXPECTED SIGNAL UNIT SEQUENCE:			
	SP		B		SP		A		
Link	Link		
	<--------------------------	1 – 0			FISU
			(BIB+BSN=7F)	
1 – 0	FISU
	(FIB+FSN=7F)
	 --------------------------->		
1 – 0	MSU
	(FIB+FSN=80)	 --------------------------->		
	<--------------------------	1 – 0			FISU
			(BIB+BSN=7F)	
1 – 0	FISU
	(FIB+FSN=00)
	 --------------------------->		
1 – 0	FISU
	(FIB+FSN=00)	 --------------------------->		
	<--------------------------	1 – 0			FISU
			(BIB+BSN=FF)	
1 – 0	MSU
	(FIB+FSN=80)	 --------------------------->		
	<--------------------------	1 – 0			FISU
			(BIB+BSN=80)	
			
TEST DESCRIPTION			
1.	Generate an MSU at B with FIB inverted.		
2.	Check A discards the MSU.		
3.	Generate 2 FISUs at B with correct FIB.		
4.	Check A discards the FISU and negative acknowledgement returned.		
5.	Check that B retransmits the MSU correctly, and positive acknowledgement returned.		

MTP LEVEL 2

TEST NUMBER:	8.5	PAGE:	1 OF 1		
REFERENCE:	Q.703 § 5.2	STD:	Fig. 14			
TITLE:	Transmission and reception control (Basic)			
SUB TITLE:	Duplicated FSN			
PURPOSE:	To test the reception control response to duplicated FSNs			
PRE–TEST CONDITIONS:	Link in service			
CONFIGURATION:	1	TYPE OF TEST:	VAT		
EXPECTED SIGNAL UNIT SEQUENCE:			
	SP		B		SP		A		
Link	Link		
	<--------------------------	1 – 0			FISU	
1 – 0	FISU
	 --------------------------->		
1 – 0	MSU
	(FIB+FSN=80)	 --------------------------->		
	<--------------------------	1 – 0			FISU
			(BIB+BSN=80)	
1 – 0	MSU
	(FIB+FSN=80)
	 --------------------------->		
1 – 0	FISU
	(FIB+FSN=81)	 --------------------------->		
	<--------------------------	1 – 0			FISU
			(BIB+BSN=00)	
1 – 0	MSU
	(FIB+FSN=01)	 --------------------------->		
	<--------------------------	1 – 0			FISU
			(BIB+BSN=01)	
			
TEST DESCRIPTION			
1.	Generate an MSU at B, check A receives the MSU correctly and returns a positive acknowledgement.		
2.	Duplicate the FSN at B, check that A responds with a negative acknowledgement.		
3.	Retransmit the MSU with correct FSN, check that A replies with a positive acknowledgement.		

MTP LEVEL 2

TEST NUMBER:	8.6	PAGE:	1 OF 1		
REFERENCE:	Q.703 § 5.2	STD:	Fig. 14			
TITLE:	Transmission and reception control (Basic)			
SUB TITLE:	Erroneous retransmission – Single MSU			
PURPOSE:	To test the reception control response to retransmission of a single MSU			
PRE–TEST CONDITIONS:	Link in service			
CONFIGURATION:	1	TYPE OF TEST:	VAT		
EXPECTED SIGNAL UNIT SEQUENCE:			
	SP		B		SP		A		
Link	Link		
	<--------------------------	1 – 0			FISU
			(BIB+BSN=FF)	
1 – 0	FISU
	(FIB+FSN=FF)
	 --------------------------->		
1 – 0	MSU
	(FIB+FSN=00)	 --------------------------->		
1 – 0	FISU
	(FIB+FSN=80)	 --------------------------->		
1 – 0	FISU
	(FIB+FSN=80)	 --------------------------->		
	<--------------------------	1 – 0		FISU
		(BIB+BSN=7F)	
1 – 0	MSU
	(FIB+FSN=00)	 --------------------------->		
	<--------------------------	1 – 0		FISU
			(BIB+BSN=00)	
			
TEST DESCRIPTION			
1.	A single MSU with FIB inverted in error is sent to A, followed by FISUs with correct FIBs.		
2.	Check that A returns a negative acknowledgement for the MSU.		
3.	Retransmit the MSU correctly.		
4.	Check that A receives the MSU correctly and returns a positive acknowledgement.		

MTP LEVEL 2

TEST NUMBER:	8.7	PAGE: 1 OF 1		
REFERENCE:	Q.703 § 5.3	STD:	Fig. 14			
TITLE:	Transmission and reception control (Basic)			
SUB TITLE:	Erroneous retransmission – Multiple FISUs			
PURPOSE:	To test reception control response to retransmissions of multiple FISUs			
PRE–TEST CONDITIONS:	Link in service			
CONFIGURATION:	1	TYPE OF TEST:	VAT		
EXPECTED SIGNAL UNIT SEQUENCE:			
	SP		B		SP		A		
Link	Link		
	<--------------------------	1 – 0			FISU	
1 – 0	FISU
	(FIB+FSN=FF)
	 --------------------------->		
1 – 0	FISU
	(FIB+FSN=7F)	 --------------------------->		
1 – 0	FISU
	(FIB+FSN=FF)	 --------------------------->		
			
1 – 0	FISU
	(FIB+FSN=7F)	 --------------------------->		
	<--------------------------	1 – 0			SIOS	
			
TEST DESCRIPTION			
1.	Generate FISUs with the FIB inverted at B.		
2.	Check that A responds with link out of service.