Huawei SE2900 - Page 87

HUAWEI SE2900 Session Border Controller
Hardware Description
1 Service Processing Device
Issue 01 (2016-01-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
83
Logical Structure
Figure 1-63 shows the logical structure of the board.
Figure 1-63 Logical structure
The modules of the board provide the following functions:

The service interface converter implements conversion between optical data service
interfaces and media data service interfaces or data service interfaces on the backplane.

The configuration and control planes configure conversion module chips on the service
interface and exchange control plane information with the switch modules.

The two DSP daughter boards process the media data, such as the voice and video data.

The BMC module implements board management and interacts with the backplane
through the CAN bus.

The PSU supplies power to the function modules of the board.
Hardware and Software Compatibility
Table 1-56 lists hardware and software compatibility of the VPUA1.
Table 1-56 Hardware and software compatibility
Board Model
Spare Parts Model
Compatibility Rule
VPUA1
VPUA1
Only a board of the same