1 General
1.1 Scope
1.2 References
2
Available services
3
System configuration
3.1 Space segment
3.2 Earth facilities
3.2.1 Land Earth Station (LES)
3.2.2 Mobile Earth
Station (MES)
3.2.3 Ship Earth Station (SES)
3.2.4 Test terminal
3.2.5 Network Coordination Station (NCS)
4
General maintenance principles
5
Lining-up and maintaining circuits
5.1 Terrestrial circuits
5.1.1 Lining-up and maintaining international
public switched telephone circuits
5.2 Mobile satellite digital circuits
5.2.1 Control, sub-control and responsibilities
5.2.2 Transmission design characteristics
5.2.3 Fault reporting procedures
6
Test facilities at mobile earth stations
6.1 Automatic testing
6.2 Manual testing
7
Maintenance organization for the mobile satellite digital system
7.1 Maintenance organization as applicable to the INMARSAT-B/M
system
7.1.1 Mobile Earth Station (MES)/Ship Earth
Station (SES) maintenance responsibility
7.1.2 Land Earth Station (LES) maintenance
responsibility
7.1.3 Network Coordination Station (NCS)
maintenance responsibility
7.1.4 Network Operations Centre (NOC)
maintenance responsibility
7.2 Cooperation between the general maintenance organization
(Recommendation M.710 [7]) and the maritime satellite maintenance
organization