Huawei BTS3900C Hardware Description page 60

BTS3900C (Ver.C)
Hardware Description
Figure 3-25 GTMUb panel
Functions
The GTMU performs the following functions:
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Indicators
Table 3-31
Table 3-31 Indicators on the GTMU
Silkscreen
RUN
ALM
Issue 03 (2013-05-27)
Controls, maintains, and operates the base station.
Supports fault management, configuration management, performance management, and
security management.
Monitors the fans and power modules.
Provides and manages the clock of the base station in centralized mode.
Provides the clock output for test.
Provides a port for maintenance on the OM system.
Supports the transmission of four paths of E1 signals and two paths of FE signals.
Provides CPRI ports for communication between the BBU and the RFUs.
describes the indicators on the GTMU.
Color
Green
Red
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Status
Steady on
Steady off
On for 1s and off for
1s
On for 0.125s and off
for 0.125s
Steady on
Steady off
3 BTS3900C Modules
Description
There is power supply, but the
board is faulty.
There is no power supply, or the
board is faulty.
The board is running properly.
Software is being loaded to the
board.
An alarm is generated, and the
board must be replaced.
There is no fault.
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