SYSTEM DESCRIPTION AND INSTALLATION MANUAL
HS--600 High Speed Data System
23--20--31
30 May 2002
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Page A--4
Table A--1. Call Cause Code List
(cont)
Cause Code
Note
Description
12C1
Call Faded, No Scrambling Vector Ack
MES clear: Scrambling Vector Ack (95) not received by the MES.
1.
12C2
MES is clearing the call because a “Credit Card Valid” message (type A7) has not been
received by the MES within the allowed time limit.
1.
12C3
Call Failed, MES Timeout, No Terrestrial Answer
MES is clearing the call because an “LES Connect” message (type 8C) has not been
received by the MES within the allowed time limit.
1.
12C4
MES is clearing the call because the “authentication query” ISU message (type B4) and/or the
“authentication query” SSU message (type B5) have not been received by the MES within the
allowed time limit.
1., 2.,
13., 14.,
15.
12C5
MES is clearing the call because an expected supplementary services SU(s) has (have) not
been received by the MES within the allowed time limit.
1.
12C6
MES is clearing the call because the “supplementary services interrogation” ISU (type B2H),
and/or ”subscriber digits” SSU (type AD H) messages have not been received by the MES
within the allowed time limit.
1.
12C7
MES is clearing the call because a “SCPC channel release” SU (type 8AH) has not been
received by the MES, in response to the transmission of a “notification acknowledge”
message (type BAH) during the supplementary services call diversion information retrieval
process, within the allowed time limit.
1.
12C8
(Spot Beam Handover): MES is clearing the call session in the next beam because the MES
did not detect the LESH carrier on the new frequency.
1.
12D1
Call Failed, Spot Beam Data Invalid
LES is rejecting the call because the “spot beam ID” information received from the MES is
invalid, i.e., ID is not allocated on the satellite in use.
1.
12D2
Call Failed, Invalid Scrambling Vector (LES is clearing the call because the “Scrambling
Vector” information received from the the MES is invalid; i.e., 0000 H, 6959 H or 7 FFF H).
1.
1351
MES is clearing the call because the MES currently has insufficient free memory in which to
store the short message.
1.
1361
Call Cleared by MES; Cable Unwrap
MES is clearing the call because the above--decks equipment is about to “cable unwrap”.
1.
1362
Call Cleared, Long Interruption Reception
MES is clearing the call because a long--term interruption (16 sec) in reception of LES
carrier has occurred. The definition of a “long--term interruption” depends upon the service
type.
1., 3.
1363
Call Cleared, MES Antenna Repointed
(WS clear: switching ocean regions)
A secondary functional center of Multi--channel MES is clearing the call because the
primary functional center has commanded the above--decks equipment to repoint to a
different ocean region.
1.
Содержание HS-600
Страница 15: ...CONTENTS ...
Страница 22: ...INTRODUCTION ...
Страница 27: ...SYSTEMS DESCRIPTION AND OPERATION ...
Страница 42: ...MECHANICAL INSTALLATION ...
Страница 52: ...ELECTRICAL INSTALLATION ...
Страница 64: ...INSTALLATION CHECK ...
Страница 69: ...ADJUSTMENT TEST ...
Страница 78: ...FAULT ISOLATION ...
Страница 81: ...MAINTENANCE PRACTICES ...
Страница 86: ...APPENDIX A ...
Страница 97: ...APPENDIX B ...