TABLE C - Red LED signalling, on the front of ETWI
LED status
Meaning
Off
It indicates that ETWI is in stand-by mode, the INP input is disabled and that the ETWI relay is disabled.
After ETWI has been powered, it shows the number of the firmware version installed on ETWI (for example: 2 flashes
Slow flashing
= "version 2 firmware").
It indicates that ETWI has detected the radio transmission of a transmitter memorised in the control unit and that,
Fast flashing (5
therefore, has sent a WIEGAND message to the access control unit, containing the data just received. However, during
flashes in 1 second)
the 2 seconds following the radio reception, ETWI has not detected the activation of the INP input. Furthermore, the
relay of ETWI is disabled.
Case 1: it indicates that ETWI has detected the radio transmission of a transmitter memorised in the control unit
and that, therefore, has sent a WIEGAND message to the access control unit, containing the data just received. The
control unit activates the INP input within 2 seconds from the forwarding of the message, to confirm that the detected
transmitter has granted access. The relay and the LED of ETWI remain active as long as the INP input remains high.
Steady on
Case 2: it indicates that ETWI has detected that the control unit has activated the INP input, even though ETWI did
not send any prior message to the control unit. The relay and the LED of ETWI remain active as long as the INP input
remains high.
It indicates that ETWI has detected the radio transmission of a compatible transmitter (either memorised or not on
Steady on, with Test
the control unit). The ETWI relay is activated for 3 seconds and the WIEGAND message is nevertheless sent to the
function active
control unit.
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