UMPT:
A UMPT is a universal main processing and transmission unit and can be installed in a BBU3900 or BBU3910.
A UMPT performs the following functions:
Manages configuration and devices, monitors performance, and processes signaling.
Processes signaling and manages resources for other boards in the BBU.
Provides a USB port, transmission ports, and a maintenance port to perform automatic software upgrade, transmit signals, and support BBU maintenance on the LMT or U2000.
Here's a working principle of a UMPT:
WMPT:
A WMPT is a WCDMA main processing and transmission unit and can be installed in a BBU3900.
A WMPT performs the following functions:
Manages configuration and devices, monitors performance, and processes signaling.
Processes signaling and manages resources for other boards in the BBU.
Provides a USB port, transmission ports, and a maintenance port to perform automatic software upgrade, transmit signals, and support BBU maintenance on the LMT or U2000.
Here's a working principle of a WMPT:
GTMU
A GSM transmission and timing and management unit (GTMU) is a GSM main control and transmission unit.
A GTMU, GTMUc, or GTMUb performs the following functions:
Manages configuration and devices, monitors performance, and processes signaling.
Processes signaling and manages resources for other boards in the BBU.
Provides a USB port, transmission ports, and a maintenance port to perform automatic software upgrade, transmit signals, and support BBU maintenance on the LMT or U2000.
Provides CPRI ports for communication with RF modules.
LMPT:
An LMPT is an LTE main processing and transmission unit.
An LMPT performs the following functions:
Manages configuration and devices, monitors performance, and processes signaling.
Processes signaling and manages resources for other boards in the BBU.
Provides a USB port, transmission ports, and a maintenance port to perform automatic software upgrade, transmit signals, and support BBU maintenance on the LMT or U2000.
Provides the system clock.
I hope you find this post useful, feel free to ask any question.
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