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MTP LEVEL 2
TEST NUMBER: 8.8 PAGE: 1 OF 1
REFERENCE:Q.703 S 5.3STD:Fig. 14
TITLE:Transmission and reception control (Basic)
SUB TITLE:Single FISU with corrupt FIB
PURPOSE:To test the response to receive an FISU with a corrupt FIB
PRE-TEST CONDITIONS:Link in service
CONFIGURATION:1 TYPE OF TEST:VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SPB SPA
Link Lin
k
PAGE218 Fascicle VI.9 - Rec. Q.781
<----------------- 1 - 0 FISU
---------
1 - 0FISU -----------------
(FIB+FSN=FF) ---------->
1 - 0FISU -----------------
(FIB+FSN=7F) ---------->
<----------------- 1 - 0 FISU
---------
1 - 0FISU -----------------
(FIB+FSN=FF) ---------->
<----------------- 1 - 0 FISU
---------
TEST DESCRIPTION
1. Generate one FISU with a corrupt FIB at B, and check that the link
status remains in service.
MTP LEVEL 2
TEST NUMBER: 8.9
Fascicle VI.9 - Rec. Q.781 PAGE219
PAGE: 1 OF 1
REFERENCE: Q.703 S 5.2
STD: Fig. 10, Fig. 14
TITLE: Transmission and
reception control (Basic)
SUB TITLE: Single FISU
prior to RPO being set
PURPOSE: To test the
response to RPO while in
the abnormal FIB state
PRE-TEST CONDITIONS:
Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT
SEQUENCE:
SP B SP A
Link Link
<------------------------
PAGE218 Fascicle VI.9 - Rec. Q.781
- 1 - 0 FISU
1 - 0 FISU ------------------------
->
1 - 0 FISU (one only)
(FIB+FSN=7F) ------------------------
->
1 - 0 SIPO ------------------------
->
1 - 0 MSU
(FIB+FSN=80) ------------------------
->
1 - 0 FISU
Fascicle VI.9 - Rec. Q.781 PAGE219
(FIB+FSN=80) ------------------------
-> a)
1 - 0 FISU
-----------
(FIB+FSN= ------------
80) -->
<-------- 1 - 0 FISU
---------
--------
(BIB+BSN=
7F)
1 - 0
PAGE218 Fascicle VI.9 - Rec. Q.781
MSU
-----------
(FIB+FSN= ------------
00) -->
<-------- 1 - 0 FISU
---------
--------
(BIB+BSN=
00)
a) RPO at A has recovered, but this FISU is discarded.
TEST DESCRIPTION
Fascicle VI.9 - Rec. Q.781 PAGE219
1. Generate one FISU at B with abnormal FIB.
2. Send SIPO from B, followed by an MSU.
3. Check A responds correctly with negative acknowledgement and a
retransmission is received corrrectly.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T76.781], p.
H.T. [T77.781]
MTP LEVEL 2
TEST NUMBER: 8.10 PAGE: 1 OF 1
REFERENCE: Q.703 S 5.3 STD: Fig. 14
TITLE: Transmission and reception control (Basic)
SUB TITLE: Abnormal BSN - single MSU
PURPOSE: To test the response to an abnormal BSN
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<-------- 1 - 0 FISU
---------
--------
1 - 0 FISU
(FIB+FSN=
FF)
-----------
(BIB+BSN= ------------
FF) -->
1 - 0 MSU
Fascicle VI.9 - Rec. Q.781 PAGE219
(FIB+FSN=
80)
-----------
(BIB+BSN= ------------
BF) -->
1 - 0 FISU
(FIB+FSN=
80)
-----------
(BIB+BSN= ------------
FF) --> a)
1 - 0 FISU
PAGE218 Fascicle VI.9 - Rec. Q.781
(FIB+FSN=
80)
-----------
(BIB+BSN= ------------
FF) -->
<-------- 1 - 0 FISU
---------
--------
(BIB+BSN=
7F)
1 - 0 MSU
Fascicle VI.9 - Rec. Q.781 PAGE219
(FIB+FSN=
00)
-----------
(BIB+BSN= ------------
FF) -->
<-------- 1 - 0 FISU
---------
--------
(BIB+BSN=
00)
a) Though UNB: = 1, abnormal BSNR is not canceled.
TEST DESCRIPTION
PAGE218 Fascicle VI.9 - Rec. Q.781
1. Generate a single MSU with abnormal BSN at B, followed by FISUs with
correct BSN.
2. Check that A responds with a negative acknowledgement.
3. Retransmit the MSU correctly at B.
4. Check that the MSU is received correctly and positive acknowledgement
is given.
Fascicle VI.9 - Rec. Q.781 PAGE219
Tableau [T77.781], p.
H.T. [T78.781]
MTP LEVEL 2
TEST NUMBER: 8.11 PAGE: 1 OF 1
REFERENCE: Q.703 S 5.3 STD: Fig. 14
TITLE: Transmission and reception control (Basic)
SUB TITLE: Abnormal BSN - two consecutive FISUs
PURPOSE: To test the response to abnormal BSNs in two consecutive FISUs
PAGE218 Fascicle VI.9 - Rec. Q.781
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
Fascicle VI.9 - Rec. Q.781 PAGE219
<-------- 1 - 0 FISU
---------
--------
1 - 0 FISU
-----------
(BIB+BSN= ------------
FF) -->
1 - 0 FISU
-----------
(BIB+BSN= ------------
BF) -->
1 - 0
PAGE218 Fascicle VI.9 - Rec. Q.781
FISU
-----------
(BIB+BSN= ------------
BF) -->
1 - 0 FISU
-----------
(BIB+BSN= ------------
FF) -->
<-------- 1 - 0 SIOS
---------
--------
Fascicle VI.9 - Rec. Q.781 PAGE219
TEST DESCRIPTION
1. Generate two consecutive FISUs at B with abnormal BSNs.
2. Check that A responds by taking the link out of service.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T78.781], p.
H.T. [T79.781]
MTP LEVEL 2
TEST NUMBER: 8.12 PAGE: 1 OF 1
REFERENCE: Q.703 S 5.3 STD: Fig. 14
TITLE: Transmission and reception control (Basic)
SUB TITLE: Excesssive delay of acknowledgement
PURPOSE: To test the transmission control response to the expiration of EDA
timer T7
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<-------- 1 - 0 T7 | FISU
---------
--------
1 - 0 FISU
-----------
(BIB+BSN= ------------
FF) -->
<-------- 1 - 0 T7 | MSU
---------
--------
T7 |
(FIB+FSN=
80)
T7 |
Fascicle VI.9 - Rec. Q.781 PAGE219
T7 |
<-------- 1 - 0 T7 | SIOS
---------
--------
TEST DESCRIPTION
1. Generate an MSU at A.
PAGE218 Fascicle VI.9 - Rec. Q.781
2. Discard the received MSU at B and send no acknowledgement to A for
more than T7 period.
3. Check that the link is taken out of service by SIOS generated at A
after T7 has expired.
4. Timer T7 shall be in the range 0.5 secs to 2.0 secs.
Fascicle VI.9 - Rec. Q.781 PAGE219
Tableau [T79.781], p.
H.T. [T80.781]
MTP LEVEL 2
TEST NUMBER: 8.13 PAGE: 1 OF 1
REFERENCE: Q.703 S 7 STD: Fig. 14
TITLE: Transmission and reception control (Basic)
SUB TITLE: Level 3 Stop command
PURPOSE: To test the response to a Stop command
PAGE218 Fascicle VI.9 - Rec. Q.781
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
Fascicle VI.9 - Rec. Q.781 PAGE219
<-------- 1 - 0 FISU
---------
--------
1 - 0 FISU ----------------------
--->
: stop
<-------- 1 - 0 SIOS
---------
--------
TEST DESCRIPTION
PAGE218 Fascicle VI.9 - Rec. Q.781
1. Give Stop command at A.
2. Check that A responds with link out of service.
Fascicle VI.9 - Rec. Q.781 PAGE219
Tableau [T80.781], p.
H.T. [T81.781]
MTP LEVEL 2
TEST NUMBER: 9.1 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.2 STD: Fig. 15, Fig. 16
TITLE: Transmission and reception control (PCR)
SUB TITLE: MSU transmission and reception
PURPOSE: To check basic MSU transmission and reception
PAGE218 Fascicle VI.9 - Rec. Q.781
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT, CPT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
Fascicle VI.9 - Rec. Q.781 PAGE219
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=0,
BSN=7F)
1 - 0 FISU
Fascicle VI.9 - Rec. Q.781 PAGE219
-------------
(FSN=7F ----------->
,
BSN=0)
<------ 1 - 0 FISU
-------
-------
-----
(FSN=0,
BSN=7F)
1 - 0 MSU
-------------
(FSN=0, ----------->
BSN=0)
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=0,
BSN=0)
TEST DESCRIPTION
1. Generate an MSU at A.
2. Check that B receives the MSU correctly.
Fascicle VI.9 - Rec. Q.781 PAGE219
3. Check that A sends FISUs after receiving an FISU with a positive
acknowledgement.
4. Generate an MSU at B.
5. Check that A receives the MSU correctly and returns a positive
acknowledgement.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T81.781], p.
H.T. [T82.781]
MTP LEVEL 2
TEST NUMBER: 9.2 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.3 STD: Fig. 15, Fig. 16
TITLE: Transmission and reception control (PCR)
SUB TITLE: Priority control
PURPOSE: To check the preventive retransmission procedure
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
Fascicle VI.9 - Rec. Q.781 PAGE219
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=1,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=2,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=0,
BSN=7F)
Fascicle VI.9 - Rec. Q.781 PAGE219
<------ 1 - 0 MSU
-------
-------
-----
(FSN=1,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=2,
BSN=7F)
PAGE218 Fascicle VI.9 - Rec. Q.781
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=0)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=1)
1 - 0 FISU
Fascicle VI.9 - Rec. Q.781 PAGE219
-------------
(FSN=7F ----------->
,
BSN=2)
<------ 1 - 0 FISU
-------
-------
-----
(FSN=2,
BSN=7F)
TEST DESCRIPTION
1. Generate two MSUs at A.
PAGE218 Fascicle VI.9 - Rec. Q.781
2. No positive acknowledgement is sent from B.
3. Check that MSUs are retransmitted at A.
4. Generate another MSU at A.
5. Check that B receives MSUs correctly.
6. Reply with positive acknowledgements at B.
Fascicle VI.9 - Rec. Q.781 PAGE219
7. Check that A stops retransmission after receiving the positive
acknowledgement for the last MSU in RTB and sends FISU.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T82.781], p.
H.T. [T83.781]
MTP LEVEL 2
TEST NUMBER: 9.3 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.4 STD: Fig. 15
TITLE: Transmission and reception control (PCR)
SUB TITLE: Forced retransmission with the value N1
PURPOSE: To check that "RTB full" is detected by N1 and forced retransmission
occurs
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
Fascicle VI.9 - Rec. Q.781 PAGE219
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=7E
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=X,
BSN=7F)
Fascicle VI.9 - Rec. Q.781 PAGE219
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=0)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=X+
1,
BSN=7F)
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 MSU
-------
-------
-----
(FSN=7F
,
BSN=7F)
TEST DESCRIPTION
1. Generate 128 MSUs at A, at a rate of 100 per second, in order to fill
the RTB before the EDA timer T7 expires.
Fascicle VI.9 - Rec. Q.781 PAGE219
2. No positive acknowledgement is sent from B until a forced
retransmission starts at A.
3. Reply with a positive acknowledgement with BSN=0 before T7 expires at
A.
4. Check that the forced retransmission is canceled after the
transmission of the last MSU in RTB.
Note
- N1
is
the
maxim
um
numbe
r of
MSUs
which
are
avail
able
for
retra
nsmis
sion.
(The
value
of N1
is
norma
lly
127).
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T83.781], p.
H.T. [T84.781]
MTP LEVEL 2
TEST NUMBER: 9.4 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.4 STD: Fig. 15
TITLE: Transmission and reception control (PCR)
SUB TITLE: Forced retransmission with the value N2
PURPOSE: To check that "RTB full" is detected by N2 and forced retransmission
starts
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
Fascicle VI.9 - Rec. Q.781 PAGE219
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=N-
1,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=X,
BSN=7F)
Fascicle VI.9 - Rec. Q.781 PAGE219
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=a-1
)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=a,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=N,
BSN=7F)
PAGE218 Fascicle VI.9 - Rec. Q.781
(a >
X)
TEST DESCRIPTION
1. Generate N+1 MSUs at A, (the octet count of N MSUs is larger than N2).
2. Send no positive acknowledgement at B until a forced retransmission
starts at A.
Fascicle VI.9 - Rec. Q.781 PAGE219
3. Check that B receives the MSUs with FSN=0 up to FSN=N-1 but does not
receive the MSU with FSN=N.
4. Reply with a positive acknowledgement with BSN=a-1 at B.
5. Check that the retransmission restarts from the next value of FSN
which is acknowledged by B when the retransmission is interrupted.
6. Check that B receives the MSU with FSN=N.
Note
- N2
is
the
maxim
um
numbe
r of
octet
s
which
are
avail
able
for
retra
nsmis
sion.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T84.781], p.
H.T. [T85.781]
MTP LEVEL 2
TEST NUMBER: 9.5 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.4 STD: Fig. 15
TITLE: Transmission and reception control (PCR)
SUB TITLE: Forced retransmission cancel
PURPOSE: To check that the forced retransmission is canceled when BSN equal
to FSNL is received
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
Fascicle VI.9 - Rec. Q.781 PAGE219
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=7E
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=X,
BSN=7F)
Fascicle VI.9 - Rec. Q.781 PAGE219
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7E)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=7F
,
BSN=7F)
TEST DESCRIPTION
PAGE218 Fascicle VI.9 - Rec. Q.781
1. Generate N1+1 MSUs at A, (e.g. 128).
2. Send no positive acknowledgement at B until a retransmission occurs at
A.
3. Reply with a positive acknowledgement with BSN=7E at B.
4. Check that a forced retransmission is canceled and the MSU with FSN=7F
is sent at A.
Note
1 -
FSNL
is
the
FSN
of
the
last
MSU
in
RTB.
Note
2 -
Alter
nativ
ely,
the
numbe
r of
octet
s
thres
hold
(N2),
inste
ad of
the
numbe
r of
MSUs
thres
hold
(N1),
could
be
used
to
start
force
d
retra
nsmis
sion.
Fascicle VI.9 - Rec. Q.781 PAGE219
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T85.781], p.
H.T. [T86.781]
MTP LEVEL 2
TEST NUMBER: 9.6 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.4 STD: Fig. 15
TITLE: Transmission and reception control (PCR)
SUB TITLE: Repetition of forced retransmission
PURPOSE: To check that the forced retransmission repeats when "RTB full" is
still detected after finishing a forced retransmission
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
Fascicle VI.9 - Rec. Q.781 PAGE219
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=7E
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=0,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=7E
,
BSN=7F)
Fascicle VI.9 - Rec. Q.781 PAGE219
<------ 1 - 0 MSU
-------
-------
-----
(FSN=0,
BSN=7F)
TEST DESCRIPTION
1. Generate MSUs at A at a rate of N per second, in order to make A
repeat a forced retransmission.
PAGE218 Fascicle VI.9 - Rec. Q.781
(N
127 ÷
T,
where
T =
lower
limit
of
T7)
2. No acknowledgement is sent from B.
3. Check that A repeats a forced retransmission.
Fascicle VI.9 - Rec. Q.781 PAGE219
Tableau [T86.781], p.
H.T. [T87.781]
MTP LEVEL 2
TEST NUMBER: 9.7 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.2 STD: Fig. 15
TITLE: Transmission and reception control (PCR)
SUB TITLE: MSU transmission while RPO set
PURPOSE: To ensure correct performance while RPO is set
PAGE218 Fascicle VI.9 - Rec. Q.781
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
Fascicle VI.9 - Rec. Q.781 PAGE219
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=0,
BSN=7F)
: set
LPO
1 - 0 SIPO
-------------
(FSN=7F ----------->
,
BSN=7F)
Fascicle VI.9 - Rec. Q.781 PAGE219
<------ 1 - 0 FISU
-------
-------
-----
(FSN=0,
BSN=7F)
: clear
LPO
PAGE218 Fascicle VI.9 - Rec. Q.781
1 - 0 MSU
-------------
(FSN=0, ----------->
BSN=7F)
<------ 1 - 0 MSU
-------
-------
-----
(FSN=0,
BSN=7F)
1 - 0 MSU
-------------
(FSN=0, ----------->
BSN=0)
Fascicle VI.9 - Rec. Q.781 PAGE219
<------ 1 - 0 FISU
-------
-------
-----
(FSN=0,
BSN=0)
TEST DESCRIPTION
1. Generate an MSU at A.
PAGE218 Fascicle VI.9 - Rec. Q.781
2. Instead of sending positive acknowledgement, set and keep PO at B.
3. Check A stops a retransmission of the MSU and sends FISUs, and not
detect link failure by the expiration of T7.
4. Cease PO and send an MSU with no positive acknowledgement at B.
5. Check A starts a retransmission of the MSU.
6. Generate an MSU with a positive acknowledgement at B.
7. Check A receives the MSU and responds correctly.
Fascicle VI.9 - Rec. Q.781 PAGE219
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T87.781], p.
H.T. [T88.781]
MTP LEVEL 2
TEST NUMBER: 9.8 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.3 STD: Fig. 16
TITLE: Transmission and reception control (PCR)
SUB TITLE: Abnormal BSN - Single MSU
PURPOSE: To test the response to an abnormal BSN
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
1 - 0 MSU
Fascicle VI.9 - Rec. Q.781 PAGE219
(FSN=0, -------------
BSN=0) ----------->
1 - 0 MSU
-------------
(FSN=0, ----------->
BSN=7F)
1 - 0 MSU
-------------
(FSN=0, ----------->
BSN=7F)
<------ 1 - 0 FISU
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=7F
,
BSN=0)
TEST DESCRIPTION
1. Generate a single MSU at B with abnormal BSN followed by
retransmission of that MSU with normal BSN.
2. Check that A responds with a positive acknowledgement and not detect
link failure.
Fascicle VI.9 - Rec. Q.781 PAGE219
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T88.781], p.
H.T. [T89.781]
MTP LEVEL 2
TEST NUMBER: 9.9 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.3 STD: Fig. 16
TITLE: Transmission and reception control (PCR)
SUB TITLE: Abnormal BSN - Two MSUs
PURPOSE: To test the response to two consecutive MSUs with an MSU having
normal BSN between them
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
1 - 0 MSU
Fascicle VI.9 - Rec. Q.781 PAGE219
(FSN=0, -------------
BSN=7E) ----------->
1 - 0 MSU
-------------
(FSN=0, ----------->
BSN=7F)
1 - 0 MSU
-------------
(FSN=0, ----------->
BSN=7E)
<------ 1 - 0 SIOS
-------
-------
-----
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=7F
,
BSN=7F)
TEST DESCRIPTION
1. Generate two consecutive MSUs at B with abnormal BSN with an MSU
having normal BSN between them.
2. Check that all MSUs are discarded at A.
Fascicle VI.9 - Rec. Q.781 PAGE219
3. Check that A responds by taking the link out of service.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T89.781], p.
H.T. [T90.781]
MTP LEVEL 2
TEST NUMBER: 9.10 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.2 STD: Fig. 16
TITLE: Transmission and reception control (PCR)
SUB TITLE: Unexpected FSN
PURPOSE: To check the reception control response to an MSU with unexpected
FSN
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
1 - 0 MSU
Fascicle VI.9 - Rec. Q.781 PAGE219
(FSN=0, -------------
BSN=7F) ----------->
1 - 0 MSU
-------------
(FSN=2, ----------->
BSN=7F)
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=0)
PAGE218 Fascicle VI.9 - Rec. Q.781
TEST DESCRIPTION
1. Generate an MSU with unexpected FSN at B.
2. Check A discards the MSU with unexpected FSN and not sends
acknowledgement for that MSU.
Fascicle VI.9 - Rec. Q.781 PAGE219
Tableau [T90.781], p.
H.T. [T91.781]
MTP LEVEL 2
TEST NUMBER: 9.11 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.3 STD: Fig. 15
TITLE: Transmission and reception control (PCR)
SUB TITLE: Excessive delay of acknowledgement
PURPOSE: To test the transmission control response to the expiration of EDA
timer T7
PAGE218 Fascicle VI.9 - Rec. Q.781
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
Fascicle VI.9 - Rec. Q.781 PAGE219
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 | MSU
-------
-------
-----
|
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=0,
BSN=7F)
| T7
| T7
| T7
<------ 1 - 0 SIOS
-------
-------
-----
(FSN=0,
BSN=7F)
Fascicle VI.9 - Rec. Q.781 PAGE219
TEST DESCRIPTION
1. Generate an MSU at A.
2. Suspend sending positive acknowledgement at B for more than T7 period.
3. Check that A sends SIOSs instead of retransmission of MSU after T7
expires.
PAGE218 Fascicle VI.9 - Rec. Q.781
4. Timer T7 shall be in the range 0.5 secs to 2.0 secs.
Fascicle VI.9 - Rec. Q.781 PAGE219
Tableau [T91.781], p.
H.T. [T92.781]
MTP LEVEL 2
TEST NUMBER: 9.12 PAGE: 1 OF 1
REFERENCE: Q.703 S 6.2 STD: Fig. 16
TITLE: Transmission and reception control (PCR)
SUB TITLE: FISU with FSN expected for MSU
PURPOSE: To check that the received FISU having FSN expected for MSU is
discarded
PAGE218 Fascicle VI.9 - Rec. Q.781
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
Fascicle VI.9 - Rec. Q.781 PAGE219
1 - 0 FISU
-------------
(FSN=7F ----------->
,
BSN=7F)
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
1 - 0 FISU
PAGE218 Fascicle VI.9 - Rec. Q.781
(FSN=0, -------------
BSN=7F) ----------->
<------ 1 - 0 FISU
-------
-------
-----
(FSN=7F
,
BSN=7F)
TEST DESCRIPTION
1. Generate an FISU with FSN expected for MSU at B.
Fascicle VI.9 - Rec. Q.781 PAGE219
2. Check that A discards the FISU and responds with an FISU with correct
BSN.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T92.781], p.
H.T. [T93.781]
MTP LEVEL 2
TEST NUMBER: 9.13 PAGE: 1 OF 1
REFERENCE: Q.703 S 7 STD: Fig. 16
TITLE: Transmission and reception control (PCR)
SUB TITLE: Level 3 Stop command
PURPOSE: To test the response to a Stop command
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
<-------- 1 - 0 FISU
---------
--------
1 - 0 FISU ----------------------
-->
: stop
<-------- 1 - 0 SIOS
---------
--------
TEST DESCRIPTION
Fascicle VI.9 - Rec. Q.781 PAGE219
1. Give Stop command at A.
2. Check that A responds with link out of service.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T93.781], p.
H.T. [T94.781]
MTP LEVEL 2
TEST NUMBER: 10.1 PAGE: 1 OF 1
REFERENCE: Q.703 S 9 STD: Fig. 19
TITLE: Congestion Control
SUB TITLE: Congestion abatement
PURPOSE: To check the congestion abatement procedure
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
T5 | :
make
congestio
n
T5 | : <----------- 1 - 0 T5 |
state ------------ SIB
--
T5 |
T5 |
T5 |
<--------
Fascicle VI.9 - Rec. Q.781 PAGE219
--------- 1 - 0 T5 | SIB
--------
T5 |
T6 |
T5 | :
clear
congestio
n
T5 | : <----------- 1 - 0 T5 |
state ------------ FISU
--
PAGE218 Fascicle VI.9 - Rec. Q.781
TEST DESCRIPTION
1. Make congestion state at A and check A sends SIB.
(Impl
ement
ation
of
conge
stion
contr
ol is
not
speci
fied.
)
2. Check B receives SIBs at the interval of T5.
3. Clear congestion state at A and check A stops sending SIBs.
4. Timer T5 shall be in the range 80 ms to 120 ms.
Fascicle VI.9 - Rec. Q.781 PAGE219
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T94.781], p.
H.T. [T95.781]
MTP LEVEL 2
TEST NUMBER: 10.2 PAGE: 1 OF 1
REFERENCE: Q.703 S 9.2 STD: Fig. 19
TITLE: Congestion Control
SUB TITLE: Timer T7
PURPOSE: To check timer T7 is restarted at the reception of SIB (without
expiring of T6)
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
.
1 - 0
1 - 0
1 - 0
1 - 0
Fascicle VI.9 - Rec. Q.781 PAGE219
.
SIB
SIB
PAGE218 Fascicle VI.9 - Rec. Q.781
SIB
FISU .
|
|
| Ct
Fascicle VI.9 - Rec. Q.781 PAGE219
|
|
| Bt
|
|
PAGE218 Fascicle VI.9 - Rec. Q.781
| <----
------
------
------
---
--------
---------
-------->
--------
---------
-------->
--------
---------
-------->
Fascicle VI.9 - Rec. Q.781 PAGE219
-------- 1 - 0 MSU
---------
-------->
|
|
|
|
PAGE218 Fascicle VI.9 - Rec. Q.781
| T6
|
|
|
|
Fascicle VI.9 - Rec. Q.781 PAGE219
|
TEST DESCRIPTION
1. Generate an MSU at A.
2. Generate SIBs at B with the time intervals of T5 for Ct, instead of
positive acknowledgement.
PAGE218 Fascicle VI.9 - Rec. Q.781
3. Check that link remains in service during Ct.
4. Send FISU with positive acknowledgement from B after Bt expires.
5. Check that link remains in service.
6. Ct = more than T7 and less than T6.
7. Bt = less than T7.
Fascicle VI.9 - Rec. Q.781 PAGE219
8. (Ct + Bt) is less than T6.
PAGE218 Fascicle VI.9 - Rec. Q.781
Tableau [T95.781], p.
H.T. [T96.781]
MTP LEVEL 2
TEST NUMBER: 10.3 PAGE: 1 OF 1
REFERENCE: Q.703 S 9.3 STD: Fig. 19
TITLE: Congestion Control
SUB TITLE: Timer T6
PURPOSE: To check "Remote Congestion" Timer T6
Fascicle VI.9 - Rec. Q.781 PAGE219
PRE-TEST CONDITIONS: Link in service
CONFIGURATION: 1 TYPE OF TEST: VAT
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
PAGE218 Fascicle VI.9 - Rec. Q.781
1 - 0
1 - 0
1 - 0
1 - 0 SIB
SIB
Fascicle VI.9 - Rec. Q.781 PAGE219
SIB
SIB -----------
------------
-->
PAGE218 Fascicle VI.9 - Rec. Q.781
--------
---------
-------->
--------
---------
-------->
--------
---------
-------->
<------- .
---------
---------
1 - 0 |
|
Fascicle VI.9 - Rec. Q.781 PAGE219
|
| T6
|
|
|
PAGE218 Fascicle VI.9 - Rec. Q.781
|
SIOS
TEST DESCRIPTION
1. Generate SIB at B until Timer T6 expires.
2.
Fascicle VI.9 - Rec. Q.781 PAGE219
Check link becomes out of service.
3. Timer T6 shall be in the range 3 secs to 6 secs (8 to 12 secs for 4.8
kbit/s).
PAGE218 Fascicle VI.9 - Rec. Q.781