9. SYSTEM DESCRIPTION
9-4
Communication services
Global beam service
•
Speech:
- 4.8 kbps
Spot beam services
•
Speech:
- 64 kbps/4.8 kbps
•
Data:
- 56/64 kbps
•
MPDS:
- Mobile Packet Data Service
FWD=64 kbps, RTN=64 kbps
Shared channel
•
Telefax:
- 64 kbps Group 4
9.6 kbps Group 3 via
Terminal Adapter (TA)
•
Audio:
- 3.1 kHz (Audio)
The FELCOM 50 CU has following ports (see figure):
•
ISDN ports for connection of ISDN telephones, or Terminal Adapter; a total of
8 devices.
•
RS-232/RS422 and USB ports for connection of data equipment.
Internal communication
Equipment connected to the various interfaces may communicate with each
other via an internal MSN (Mobile Subscriber Number) assigned to each unit.
Control interface
The
RS-232
or
USB
port allows connection of a PC for configuration of FELCOM 50.
A PC program (vtLite Mobile) that provides the software to operate and configure
FELCOM 50 terminal is supplied on the enclosed CD.
FELCOM 50 ports.
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CU-Communication Unit
ISDN
ON
48 VDC
SYNC
ALARM
RS-232 A
RS-232 B
USB
TX+
TX+
TX-
TX-
RX-
RX-
RX+
RX+
5
9
RS-422
ISDN
ISDN
NMEA+
NMEA-
PC
PC
Serial printer
ISDN Handset
DECT phone
Analogue
telephone
Analogue
telefax (G3)
Terminal
Adapter
ISDN Handset
ISDN wall
sockets
PC w/ISDN
Interface
Digital
telefax (G4)
4 3 2 1
8 7 6
5 4 3 2 1
9 8 7 6
Содержание Felcom 50
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