The TT-6600 Network Co-ordinating station manages global Inmarsat-C traffic.
The system consists of four fully redundant network co-ordination stations. They are installed in Singapore (Sentosa), Japan (Yamaguchi), Italy (Fucino) and Norway (Eik) and each of them consists of IF subsystems, a channel unit subsystem and a computer subsystem managing configuration etc.
Furthermore two remote operation stations are installed at Inmarsat headquarters in London, allowing Inmarsat to remotely monitor and control the equipment.
Key features:
- High availability system, using dualized channel units and host computers
- Transmission of bulletin boards (network information)
- Traffic announcements
- Transmission of enhanced group calls (EGC)
- Management of MES locations (Ocean region)
- Management of commissioning status
- MES/traffic barring.
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