User's Manual

3 Functional Description
Page 19
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Note: This type of alarm board is only
installed in the Extension Unit.
figure 3-5 Alarm board for RU figure 3-6 Alarm board for EU
For detailed information on the Status LED please refer to chapter 5.5 Status LED
Alarms.
Status LED for EU=>
summary alarm LED
External
alarm
outputs
External
alarm
inputs
Temperature
alarm LED
PSU alarm LED
Redundant
PSU Mode
alarm LED
Fan alarm LED
Status 2
alarm LED
Status 1
alarm LED for
RU =>summary
alarm LED
RS232 local interface
28 V or
32 V
connector
depending
on PSU
Rx alarm LED
RS485 interface