Table 5-2 Normal States Of The Leds On The Board And Modules In The Bbu; Table 5-3 Normal States Of The Leds On The Drfu - Huawei BTS3900 GSM Commissioning Manual

BTS3900(A) GSM
Commissioning Guide
Prerequisite
The output power of the TRX is within the normal range, and the RFU operates properly.
Context
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Procedure
Step 1 Check the state of the LEDs on the boards or modules in the BBU.
states of the LEDs on the boards or modules.

Table 5-2 Normal states of the LEDs on the board and modules in the BBU

Board or
Module
GTMU
UBFA
UPEU
Step 2 Check the state of the LEDs on the RFU panel.
the normal states of the LEDs on the RFU panel.

Table 5-3 Normal states of the LEDs on the DRFU

LED
RUN
ALM
ACT
VSWR
Issue 02 (2009-04-20)
The PSU (AC/DC) that converts 220 V AC power into -48 V DC power is used when the
external 220 V AC power input is used.
The PSU (DC/DC) that converts +24 V AC power into -48 V DC power is used when the
external +24 V AC power input is used.
LED
RUN
ALM
ACT
LIU0 to LIU3
CPRI0 to
CPRI5
STATE
RUN
Color
-
-
-
Red
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Copyright © Huawei Technologies Co., Ltd.
5 Commissioning the BTS (Transmission Unavailable)
Color Normal State
Green Blinking (ON for 1s and OFF for 1s)
Red OFF
Green ON
Green LEDs LIU0 to LIU3 represent the four E1
links. If the links are connected normally, LIU
LEDs are OFF. If the links are not connected
to the BSC yet or the transmission is
unavailable, LIU LEDs are ON.
Green When CPRI0 to CPRI5 ports are not in use,
the LEDs are OFF. When the BBU is
normally connected to the RFU, the
corresponding LED is ON.
Green Blinking (ON for 1s and OFF for 1s)
Green ON
Table 5-3 takes the DRFU as an example to list
Normal State
Blinking (ON for 1s and OFF for 1s)
OFF
ON steady: The DRFU works properly.
OFF
Table 5-2 lists the normal
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