Installation guide
MyPBX U100 & U200 Installation Guide
http://www.yeastar.com 6/16
2.2 LED Indicators and Ports
Figure 2-3 MyPBX U100 & U200 Front Panel
Figure 2-4 MyPBX U100 & U200 Rear Panel
LED
Indication
Status
Description
Power
Power status
On
The power is switched on.
Off
The power is switched off.
RUN
MyPBX status
Blinking
MyPBX is running properly.
Not Blinking/Off
MyPBX goes wrong.
1-16
FXO port status
Red light
The red light is blinking: the PSTN line hasn’t been
Connected.
The red and green lights are blinking alternately: there
is an incoming call.
The red and green light are blinking alternately and
rapidly: the call is connected and the trunk is in use.