Yeastar P550 Overview

Front panel

Table 1.
No. Feature Description
NFC Tag Tap NFC-capable mobile phone's back against Yeastar logo to quickly configure network settings.
System Indicator Indicate the system status.
  • Blinking: The system is working properly.
  • Static/Off: The system goes wrong.
Power Indicator Indicate the power status.
WAN Status Indicator

Indicate the WAN status.

LAN Status Indicator Indicate the LAN status.
USB Slot Insert a USB flash drive to store voicemails, logs, or recording files.
1-8 LED (RJ11 port status) Indicate the ports' status.
  • FXS:
    • Green: static: The analog phone or fax machine is idle.
    • Green: blinking: The analog phone or fax machine is busy.
  • GSM/3G/4G LTE:
    • Red: static: The GSM/3G/4G LTE trunk is idle.
    • Red: blinking slowly: No SIM card.
    • Red: blinking rapidly: The GSM/3G/4G LTE trunk is in use.
  • BRI:
    • Orange: blinking: The BRI line is disconnected.
    • Orange: static: The BRI line is connected or in use.
  • FXO:
    • Red: static: The PSTN line is idle.
    • Red: blinking slowly: No PSTN line is connected to the FXO port.
    • Red: blinking rapidly: The PSTN line is busy.
1-8 port (RJ11 ports)
  • FXS port (green light): For the connection of analog phones or fax machines.
  • BRI port (orange light): For the connection of ISDN BRI lines.
  • FXO port (red light): For the connection of PSTN lines or FXS ports of traditional PBX.
Reset button Press the button to restore to factory defaults.

Rear panel

Table 2.
No. Feature Description
Antenna Socket Rotate the antenna into the Antenna Socket.
Power Switch Press this button to switch on/off the device.
Power Inlet Connect the supplied power supply to the port.
Protective Earth Connect to the ground to reduce the risk of electrocution to the user or protect the PBX from bad effects of external noise in case of a lightning strike.