Huawei RRU - Leds on the RRU; Table 2-1 Leds on the RRU

2.1.2 LEDs on the RRU
The LEDs, on the LED panel of the RRU, indicate the running status of the RRU.
For the positions of the LEDs on the RRU, refer to 2.1.3 Panels of the RRU.
Table 2-1 describes the LEDs and their status.
Table 2-1 LEDs on the RRU
Label Color Status Description
RUN Green ON The module has power input,
yet the module is faulty.
OFF The module has no power input
or is reporting alarms.
1s ON, 1s OFF The module is operational.
0.5s ON, 0.5s OFF Software is being loaded to the
module.
ALM Red ON The RRU is reporting alarms
(excluding VSWR-related
alarms).
OFF The module is operational.
TX_ACT Green ON The module is running.
OFF No specific meaning
VSWR Red ON VSWR-related alarms are
reported.
OFF No VSWR-related alarm is
reported.
CPRI_W Red/green ON (green) The CPRI link is normal.
ON (red) The optical module receives
local alarms related to LOS.
0.5s ON, 0.5s OFF
(red)
The CPRI link is out of lock.
OFF The optical module is not in
position or is powered off.
CPRI_E Red/green ON (green) The CPRI link is normal.
ON (red) The optical module receives
local alarms related to LOS.
0.5s ON, 0.5s OFF
(red)
The CPRI link is out of lock.
RRU
User Guide 2 RRU and SRXU Hardware
Issue 01 (2008-04-18) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
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