Checking The Status Of The Bts3900 Leds; Table 8-1 Normal States Of The Leds On The Boards And Modules In The Bbu; Table 8-2 Normal States Of The Leds On The Drfu - Huawei BTS3900 GSM Commissioning Manual

8 Checking the Operating Status of the BTS3900

8.1 Checking the Status of the BTS3900 LEDs

To check whether the boards and modules of the BTS3900 run normally, you need to check the
status of the LEDs on the following boards and modules: GTMU, UBFA, UPEU, DRFU, GATM,
Fan Unit, PMU, PSU (AC/DC), and PSU (DC/DC).
Prerequisite
The output power of the TRXs is within the normal range, and the DRFU is running normally.
Context
l
l
Procedure
Step 1 Check whether the states of the LEDs on the boards and modules in the BBU are normal.
8-1

Table 8-1 Normal states of the LEDs on the boards and modules in the BBU

Board/
Module
GTMU
UBFA
UPEA
Step 2 Check whether the status of the LEDs on the DRFU panel is normal.
states of the LEDs.

Table 8-2 Normal states of the LEDs on the DRFU

LED
RUN
ALM
8-2
The PSU (AC/DC) is used to convert 220 V AC power into -48 V DC power. If the BTS3900
uses the external 220 V AC power input, the PSU (AC/DC) is configured.
The PSU (DC/DC) is used to convert +24 V DC power into -48 V DC power. If the BTS3900
uses the external +24 V DC power input, the PSU (DC/DC) is configured.
lists the normal states of the LEDs on the boards and modules.
LED
RUN
ALM
ACT
LIU0–LIU3
CPRI0-CPRI5
STATE
RUN
Color
-
-
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
Color Normal State
Green Blinking (on for 1s and off for 1s)
Red Off
Green ON
Green Off
Green ON
Green Blinking (on for 1s and off for 1s)
Green ON
Normal State
Blinking (on for 1s and off for 1s)
Off
BTS3900 GSM
Commissioning Guide
Table
Table 8-2 lists the normal
Issue 03 (2008-07-15)