6. DATA COMMUNICATION
6.4
Mobile Data Service (USB)
6.4.1
PPP modem via USB
Introduction
The Mobile Data Service complies with the communication protocol defined by
the Inmarsat Fleet system.
The transmission data rate over the satellite link is 64 kbps, except for Fleet 33
which provides a data rate of 9.6 kbps.
The Mobile Data Service offers 64 kbps connection to the international
ISDN/PSTN network.
The service is suitable for applications such as high-speed file transfer,
store-and-forward video, e-mail and internet.
(PPP = Point-to-Point Protocol).
FELCOM 70
PC w/Windows 2000 or later
6-70
FELCOM 50
FELCOM 30
Land
Earth
Station,
LES
ISDN/PSTN
Internet
service
provider with
Home
64 kbps dial-
Office LAN with
up capability
64 kbps dial-up
capability
FELCOM 30:
Internet provider
Home Office with
analogue modem
supporting
9.6 kbps data
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