JRC INMARSAT FleetBroadband FB250 Operation Manual page 33

Rear view
5. WRF connector
4. Earth
13. TEL1/2 port
1 Power Switch
Turns power on and off.
2 LEDs
Indicates the communication and JUE-250 status. They lit in the same way as LEDs on the
Handset.
Ready lamp displays available services
Green light:
All communication services are available.
Blinking Green:
・ When no service is available
・ Activating (JUE-250 checking the status of
itself)
・ After power switch is turned off, until the
power is run out completely.
(No light: power switch is OFF)
6. Antenna cable
connector
11. USB port
12. Handset port
Fig. 3.2c Main unit rear view
ALARM lamp indicates failure alert
Red light: Failure has occurred in the system.
(No light: The status is normal)
COMM lamp indicates communication starting.
Green light : In CS service communication
(No light: In PS service communication,
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3. Appearance
7. FUSE
8. DC Power connector
10. Ethernet port
or no communication is on the way now.)
9.Audio Port