Ericsson Radio Systems AB PKRC1311004-1 Manual De Usuario
Operation and Maintenance Support
38.21
Bat Disconnected Indicator
Purpose
To indicate if the battery is disconnected.
Preconditions and Initiation
Applicable for any operational condition. The function is initiated by
the HW when the RU is started.
the HW when the RU is started.
Description
The Bat Disconnected indicator indicates if the battery is connected or
not. The Bat Disconnect indicator is controlled from Power Supply
functionality and from Restart and Recovery functionality. When the
RU is reset in any way the handling of the indicator is terminated.
not. The Bat Disconnect indicator is controlled from Power Supply
functionality and from Restart and Recovery functionality. When the
RU is reset in any way the handling of the indicator is terminated.
Colour:
Yellow
Position:
Sub RU with battery fuse control (BFU).
States of the indicator
ON:
Battery disconnected.
OFF
Battery connected.
38.22
AC Fault Indicator
Purpose
To indicate if the AC Supply is faulty.
Preconditions and Initiation
Applicable for any operational condition. The function is initiated by
the HW when the RU is started.
the HW when the RU is started.
Description
The AC Fault indicator indicates if the AC Supply is faulty or not. The
AC Fault indicator is controlled from Power Supply functionality and
from Restart and Recovery functionality.
AC Fault indicator is controlled from Power Supply functionality and
from Restart and Recovery functionality.
Colour:
Yellow
Position:
EDMRU (ECU)
States of the indicator
ON:
One or more phases are faulty.
OFF
No AC fault.
38.23
Test Result Indicators (not used)
There is a yellow Test Result indicator on each TDMRU (TRU).
The indicators are turned off 2-10 seconds after the SW has started.
298 (421)
EN/LZT 720 0008
R1A
2001-06-26
© Ericsson Radio Systems AB
— All Rights Reserved —