Description
2-5
1
2
3
4
5
LEDS
STATUS
MEANING
LEDs linked to the TRX (item 11)
"DEF" LED
(red)
Lit
START state with maintenance tool dialog impossible.
"ACT" LED
(yellow)
Lit
This state is normally transient. It continues when a blocking self-test failed
to run smoothly (RAM test, incorrect CHECKSUM 20 ms regularity test).
"DEF" LED (red)
Lit
OPERATIONAL state with hardware alarm and reception of correct radio
frames.
"ACT" LED (yellow)
Flashing
"DEF LED (red)
Lit
OPERATIONAL status with hardware alarm or STARTUP status with
maintenance tool dialog possible.
"ACT" LED (yellow)
Off
The latter state is normally transient. It continues when a self-test has failed
to run correctly.
"DEF" LED (red)
"ACT" LED (yellow)
Flashing
Off
If the red LED flashes rapidly:
• NON-INITIALISED state with hardware alarm or
• NON-INITIALISED state without radio configuration.
"DEF" LED (red)
Flashing
• If both LEDs are flashing rapidly and identically: Configuration state
"ACT" LED (yellow)
Flashing
• If the red LED flashes slowly: CHANNEL state ISOLATED and reception
of the correct radio frames.
"DEF" LED (red)
Flashing
If the red LED flashes slowly: CHANNEL state ISOLATED.
"ACT" LED (yellow)
Off
"DEF" LED (red)
Off
NON-INITIALISED state with or without hardware alarm
"ACT" LED (yellow)
Lit
"DEF" LED (red)
Off
OPERATIONAL state without hardware alarm and reception of correct radio
frames.
"ACT" LED (yellow)
Flashing
"DEF" LED (red)
Off
OPERATIONAL without hardware alarm
"ACT" LED (yellow)
Off
“PWR” LED
(green)
Lit
+12 V power supply for the TRX present
Off
+12 V power supply for the TRX missing
Power amplifier (PA) LEDs (item 10)
"DEF" LED
(red)
Lit
Module operating fault
Off
No fault
“TX” LED
(yellow)
Lit
Carrier on request (transmission) by the module
Off
No carrier on request
“PWR” LED
(green)
Lit
Presence of amplifier power supply
Off
No amplifier power supply
Table 2.1
MEANING OF THE STATUS OF THE 3G PA-TRX MODULE LEDS