Huawei U-SYS IAD208E User Manual page 22

User Manual
U-SYS IAD208E(M) Integrated Access Device Chapter 1 System Overview
Bottom layer drive module
The relations among the modules are shown in Figure 1-4.
Management, maintenance and operation module
Service access
module
POTS
Figure 1-4 Functionality modules of the IAD208E(M)
The functions of these modules are listed in Table 1-2.
Table 1-2 Functions of modules in the IAD208E(M)
Module
Management,
maintenance and
operation module
SPC processing module TDM/DSP
VoIP service processing module TDM/DSP
Protocol processing MGCP
Bottom layer drive module
It is responsible for maintenance,
operation and management of the whole
IAD208E(M) system.
Huawei Technologies Proprietary
1-7
Function