Status signalling with LEDs and status messages
98-146706-A
Chapter 8: Service
8-9
Service
8.3.2
LEDs in the ACU
The ACU has 3 LEDs: on the front panel: Power, Logon and Fail/Pass LED.
8.3.3
LEDs of the modem
The modem does not have any LEDs on the front plate. You can check the status of the
modem in the display of the ACU, in the menu
Modem
. The current status is
communicated by a text string. Each LED can have the status steady green, red or amber, or
flashing green, red or amber.
• NET LED
• STAT LED
• TX LED
• RX1 LED
• RX2 LED
• PWR LED
• TEMP LED
• FAN LED
LED
Behaviour
Description
Power
Steady green Power supply OK
Steady red
Power supply failure
Off
No power
Logon
Flashing
green
Current status is displayed:
• Searching satellite
• Identifying satellite
• Carrier lock & TX enabled from modem
Steady green Satellite link established
Off
No satellite link acquired
Fail/Pass
LED
Steady red
A fault which prevents operation is present
in the system (ACU, ADU, MODEM).
Flashing
green
A Power On Self Test (POST) or Person
Activated Self Test (PAST) in progress. The
current status is displayed.
Flashing red
Active BITE failure or warning. The event is
shown in the ACU display.
Steady green No faults.
Table 8-2: LEDs on the ACU
SAILOR900Ka-IM-98-146706.book Page 9 Thursday, July 16, 2015 11:07 AM