User Manual
U-SYS IAD208E(M) Integrated Access Device Chapter 1 System Overview
Huawei Technologies Proprietary
1-4
1.2 Service Functions
The IAD208E(M) can provide abundant services:
Access POTS users to IP network.
Access Ethernet users into IP packet network.
Support IP semi-permanent connection (SPC) and internal
SPC.
Support T.38 fax or transparent transmission of fax.
Support transparent transmission of Modem signals.
Test on subscriber line. (optional)
Support environment monitoring.
Support clock function.
Support remote power supply.
Support lightning protection of downlink interface.
Support traditional PSTN telephone services, including: call
forwarding, caller identification display (CID) and call
waiting.
Support the supplementary services in coordination with a
softswitch.
Support intelligent services and special applications in
coordination with a softswitch.
1.3 System Structure
1.3.1 Hardware Structure
There are indicators on the front panel of the IAD208E(M), and
their names and meanings are as shown in Table 1-1.