User's Manual
Clarion/Hyperlink Bridge Kit Installation Manual Rev. A Page 16
Hyperlink Technologies, Inc.
JX-4000 LED Diagnostic Display
During power-up, the front panel LEDs on the JX-4000 provide some diagnostic
information. Refer to the table below for LED diagnostic information.
Label Color Description
MAU Green Indicates MAU signal (upload or download) is active.
TX Red 1. During the power-up cycle, it blinks on and off slowly
five times in approximately one second to indicate that
the firmware has passed its integrity; or, it flashes on
and off very rapidly for four or five seconds to indicate
that the firmware has been damaged. No indication
described above is available in some case of hardware
failure.
2. After normal power-up cycle, it Indicates radio
transmission.
3. During the firmware-uploaded cycle ; refer
description attached on the new firmware.
RX Green 1. Indicates radio signal detection.
2. Sometimes flashes even if no true signal receives
because of optimized false alarm rate.
Power Red 1. It turns on at approximately 1/4 second after applying
the power to indicate activation of the unit.
2. If the hardware check sequence fails, it turns off
automatically at approximately 5 seconds after power
on.