Synway Information Engineering Co., Ltd
SMG-D Series Analog Gateway User Manual (Version 2.0.0)
Page 5
ACT Indicator
The orange LED, whose flashing tells data are being transmitted.
Channel Indicator
FXS and FXO channels are respectively marked by green and red LED after power
on.
1.
When the channel is idle, the LED Lights up;
2.
When the channel is off-hook, the LED flashes slowly;
3.
When the channel is ringing, the LED flashes fast.
For other hardware parameters, refer to
Appendix A Technical Specifications
1.4 Alarm Info
The SMG-D analog gateway is equipped with two indicators denoting the system‟s running status:
Run Indicator (green LED) and Alarm Indicator (red LED). The table below explains the states and
meanings of the two indicators.
LED
State
Description
Run Indicator
Go out
System is not yet started.
Light up and flash fast System is starting.
Flash slowly
System is normal.
Alarm Indicator
Go out
System is normal.
Light up
Upon startup: System is normal.
In runtime: System is abnormal.
Flash
System is abnormal.
Note:
The startup process consists of two stages: System Booting and Gateway Service
Startup. The system booting costs about 1 minute and once it succeeds, both the run
indicator and the alarm indicator light up. Then after the gateway service is successfully
started and the device begins to work normally, the run indicator flashes and the alarm
indicator goes out.
During runtime, if the alarm indicator lights up or flashes, it indicates that the device goes
abnormal. If you cannot figure out and solve the problem by yourself, please contact our
technicians for help. Go to
