4. OPERATION FROM PC
4-15
4.9 Data
service
Data transmission
FELCOM 50 provides access to the international ISDN/PSTN network data
services through its built-in modem capability.
The service is suitable for applications such as high-speed file transfer, video,
e-mail and internet.
The transmission rate over the satellite is 64 kbps, and any standard PC with a
serial port can be used.
Ports supporting 64 kbps data service (UDI):
•
RS232A
•
RS232B/RS422
•
USB
•
ISDN
For connecting up and configuration, see chapter 6.
DTE
USB port
PC serial port
Max 100
metres
The driver used with
the RS-232 B (DATA)
port can be switched
to be used with the
RS-422 (DATA) port
instead. The switching
is performed with the
ISDN Handset.
ISDN
ISDN
ISDN
ON
48 VDC
SYNC
ALARM
RS-232 A
RS-232 B
USB
RS-422
TX+
TX+
TX-
TX-
RX-
RX-
RX+
RX+
NMEA-
NMEA+
PC ISDN card
5 4 3 2 1
9 8 7 6
5 4 3 2 1
9 8 7 6
Содержание Felcom 50
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