4. Functional Description
MF0121ACP_uc.docx Manual for Node AM4 Page 41
4.3.5. User Interface Board (UI1 Board)
The UI1 board is used as communication interface between the Node AM controller and
modem or local user, and for general purpose functions of the repeater, as well.
figure 4-8 UI-board for general applications, installed
All SW functions available with the general UI1 Board (illustrated above and in figure 4-9)
are part of the SW manual M0121ALx for the Node SW. For special applications, other
types of UI1 Board may be equipped. For these, observe the additional Applications
Notes, which are available on request or included on the Manual CD.
Functions of the UI1-board:
1. Collection of external alarms and summary alarm
2. Status LED
3. Local Ethernet port
4. Voltage supply and communication (RS232/USB) to the modem
5. Battery disconnect push-button to disconnect the internal battery in order to power
down the controller completely or to prevent the battery from complete discharge in
case of system power-down. Observe that an alarm is raised once this button is
pressed and the unit is powered up again. To delete the false alarm, the unit has to be
shut down and powered up again. During shutdown, the battery disconnect button must
not be pressed
(see also notice in chapter 5.2.2).
The following figure illustrates the general type; of UI1 Board.
UI
board
inside
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