SYSTEM DESCRIPTION AND INSTALLATION MANUAL
HS--600 High Speed Data System
23--20--31
30 May 2002
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Page A--7
Table A--1. Call Cause Code List
(cont)
Cause Code
Note
Description
15CC
Aeronautical Class MES only: (Spot Beam Handover): LES is terminating the procedure
because it did not receive a response to the Handover Request from the NCS.
1.
15CD
(Spot Beam Handover): LES is clearing the call session in the next beam because the MES
did not indicate that it was ready to make the transition (possibly because the MES did not
receive the Channel Assignment).
1.
15D1
LES is rejecting the call because the “Channel Assignment” message received from the
NCS contains inappropriate or conflicting information.
1.
15D2
LES is clearing this MES ID and channel number in the busy lists at LES and NCS because
a new call to/from this MES is being set--up (and thus any previous call to/from
this
MES
cleared).
1.
15E1
Call Cleared, MES still Transmitting Fault
LES is attempting to clear an MES which has sent an SCPC channel release message but
is found still to be transmitting 5.12 sec later.
1.
1651
Call Failed, LES Congested, No Channel Unit
LES is rejecting the call because an appropriate channel unit is not currently available at
this specific LES.
1.
1661
Call Failed, Long Interruption in Reception
LES is clearing the call because of an interruption in reception of the MES carrier exceeding
the allowed time limit of 62 seconds.
1.
16C1
LES clear: SEST carrier not received.
1.
16C2
LES is clearing the call because an appropriate SCPC MES carrier has not been received
by the LES (at the commencement of the call) within the allowed time limit.
1.
16C3
(Spot Beam Handover): LES is clearing the call session in the next beam because the LES did
not detect the MESH carrier on the new frequency
1.
1790
LES is clearing the call because of a malfunction in the credit card validity checking
database or in the communications links.
1.
1791
LES is clearing the call because of a malfunction in the authentication checking database or
in the communication links.
1.
1811
NCS is rejecting the call because the specified MES ID is in the “S busy” list at the NCS.
1.
1812
NCS is rejecting the call because the specified MES is busy with an IPDS call at the NCS.
1.
1841
NCS is pre--empting the call in order to free the MES for an incoming call with priority 1.
1.
1842
NCS is pre--empting the call in order to free the MES for an incoming call with priority 2.
1.
1843
NCS is pre--empting the call in order to free the MES for an incoming call with priority 3.
1.
1844
NCS is pre--empting the call in order to assign the channel to another call with higher priority.
1.
1851
NCS is rejecting the call because an appropriate SCPC channel is not currently available.
1., 7., 8.
1852
NCS is rejecting the call because no SCPC channel exists at the NCS which matches the
contents of the Channel Parameters, Service Nature, Service Type, MES Category, Spot Beam
ID and Priority fields contained in the Request for Channel Assignment.
1., 9.,
10., 11.,
12.
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 ...