User Manual
U-SYS IAD108 Integrated Access Device
Chapter 1 System Overview
1-4
z
Test on subscriber line. (optional)
z
Support the power supply from remote place.
z
Support traditional PSTN telephone services, including:
call forwarding, Caller Identification Display (CID) and call
waiting. With the right telephone set, voice message
indicator function can also be provided.
z
Support the supplementary services in coordination with a
softswitch.
z
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 IAD108, and their
names and meanings are as shown in Table 1-2.
Table 1-2
Table of IAD108 indicators
Indicator Color
Name
Meaning
PWR Green
Power supply
indicator
When local power supply is
connected, it is on. If there is no
power supply, it is off.
When remote power supply is
connected, it blinks. If there is no
power supply, it is off.
RUN Green
Running
indicator
It blinks two times per second when
loading.
It blinks one time per second when
running normally.