Figure 4-4
GTMU panel
Figure 4-5
GTMUb panel
NOTE
The GTMU hereinafter mentioned in this document is the first type.
Functions
The GTMU and GTMUb have the following functions:
l
Controls and manages the base station
l
Supports fault management system, configuration management system, performance
management system, and security management system
l
Monitors the fans and power modules
l
Provides and manages the clock source of the base station in centralized mode
l
Provides the clock output for test
l
Provides the FE port for maintenance on the OM system
l
Supports transmission through four E1s and two FEs
l
Provides CPRI ports for communication between the BBU and the RFUs
l
The GTMUb supports interconnected BBUs.
l
Four IDX2 ports on the backplane of the GTMUb can achieve the function of baseband
resource pool backup.
LEDs
describes the LEDs on the GTMU.
BTS3900
Hardware Description
4 BTS3900 Components
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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