FlexPay NC3L Wide Installation and maintenance
36
8.3.2.
Keypad module (UPM)
The UPM is a secure keypad module.
The table below describes the LEDs diagnostic.
NO.
LED
COLOUR
STATUS
DESCRIPTION
1
ETH
Orange
On
Net connected
Off
Net disconnected
Off / On
Communication isn’t present.
2
Status
LED
Green
Blinking
slow
Display is connected to UPM and the unit is activated.
Blinking
fast
Display isn’t connected to UPM or the unit is unmounted.
3
TX/RX
serial
Orange
Blinking
TX or RX activity on the serial port.
4
Tamper
Red
Off
No alarm
On
Alarm