BBU Board--GTMU

BBU Board--GTMU (with real picture):

The GTMU performs the following functions:

* Controls, maintains, and operates the BTS.

* Supports fault management, configuration management, performance management, and security management.

* Supports the monitoring of the fan module and power supply module.* Distributes and manages BTS3900 clock signals.

* Provides clock input for testing.

* Provides port for terminal maintenance.

* Supports four E1 inputs.

* Provides CPRI ports for communication with the RF modules 

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