G&D U2+R, Установка и эксплуатация, Страница: 44 / 56

User module »U2+R-CON«
14 · Target and user modules of the U2+R series
Status displays
The Power LED on the back panel of the target module shows the status of the exter-
nal power pack:
The blinking Transmission LEDs show the following connection statuses:
LED Status Meaning
Power Off The external power pack is not (properly) connected.
On The external power pack is connected and the required voltage (12 Volt)
is available.
LED Colour Status Meaning
Left Yellow Off Connection to remote side could not be established.
On Connetion to remote side has been successfully established.
Right Green Off The user module is not connected to any end device.
On The user module is connected to an end device.