Product Overview
The universal main processing and transmission unit (UMPT) can be installed in a BBU3900 or BBU3910.
Specifications
The following table lists the transmission specifications of the UMPT.
Board | Applicable Mode | Transmission Mode | Quantity of Ports | Port Capacity | Full/Half-Duplex |
UMPTa1, UMPTa2, or UMPTb1 | • GSM Single-mode • UMTS Single-mode • LTE FDD Single-mode • Co-MPT Multi mode (including any mode) | ATM over E1/T1a or IP over E1/T1 | 1
| Four channels | - |
Transmission over FE/GE electrical ports | 1
| 10 Mbit/s,100 Mbit/s, or 1000Mbit/s | Full-duplex | ||
Transmission over FE/GE optical ports | 1
| 100 Mbit/s or 1000 Mbit/s | Full- or half- duplex | ||
UMPTb2 | • GSM Single-mode • UMTode • LTE TDD Single-mode • Co-MPT Multi modeS Single-mode • LTE FDD Single-mode (including any mode) | ATM over E1/T1a or IP over E1/T1 | 1
| Four channels | - |
Transmission over FE/GE electrical ports | 1
| 10 Mbit/s,100 Mbit/s, or 1000Mbit/s | Full-duplex | ||
Transmission over FE/GE optical ports | 1
| 100 Mbit/s or 1000 Mbit/s | Full- or half- duplex | ||
UMPTa6
| • LTE FDD Single-mode • LTE TDD Single-mode | IP over E1/T1
| 1
| Four channels | - |
Transmission over FE/GE electrical ports
| 1
| 10 Mbit/s,100 Mbit/s, or 1000 Mbit/s | Full-duplex | ||
Transmission over FE/GE optical ports
| 1
| 100 Mbit/s or 1000 Mbit/s | Full- or half- duplex | ||
a: Only UMTS mode supports ATM over E1/T1. |
The following table lists the carrier specifications of the UMPTb1 working in GSM mode.
Carrier specifications of the UMPT
Board | Applicable Mode | Transmission Mode
| Maximum Number of Supported Carriers |
UMPTb1 | GSM
| IP over E1 or IP over FE
| 72 |
The following table lists the signaling specifications of the UMPTa2/UMPTa6/UMPTb2/
UMPTb1 working in LTE mode.
Board | Signaling Specifications (CAPS) |
UMPTa2 or UMPTa6
| 120
|
UMPTb2 or UMPTb1 | 150 |
The following table lists the maximum number of UEs in RRC connected mode supported by
the UMPTa2/UMPTa6/UMPTb2/UMPTb1 working in LTE mode.
Board | Maximum Number of UEs in RRC Connected Mode |
UMPTa2, UMPTa6, UMPTb2, or UMPTb1 | 10800 |
The maximum number of data radio bearers (DRBs) supported by the UMPTa2/UMPTa6/
UMPTb2/UMPTb1 working in LTE mode is three times the maximum number of UEs in RRC
connected mode.
Function:
The 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 the USB port, transmission port, maintenance port to provide signal transmission,
perform automatic software upgrade, and support BBU maintenance on the LMT or
U2000
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