S50 Overview

Front Panel

Table 1. Descriptions of S50 Front Panel
LED Indication Status Description
POWER Power status On The power is switched on.
Off The power is switched off.
SYSTEM System status Blinking The system is running properly.
Static/Off The system goes wrong.
1-8 LED

(RJ11 port status)

FXS Green: static The analog phone is idle.
Green: blinking The analog phone is busy.
GSM/3G/4G Red: static The GSM/3G/4G Trunk is idle.
Red: blinking slowly No SIM card.
Red: blinking rapidly The GSM/3G/4G 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.
Port Description

Yeastar S50 provides two 10/100/1000Mbps adaptive RJ45 Ethernet ports, and supports 3 Ethernet modes. The default mode is “Single”.

  • Single: LAN port will be used for uplink connection. WAN port is disabled.
  • Bridge: LAN port will be used for uplink connection. WAN port will be used as bridge for PC connection.
  • Dual: Both LAN and WAN ports can be used for uplink connection.
SD Insert SD card to store auto recording files.
1-8 Port

(RJ11 port)

  • FXO port(red light): For the connection of PSTN lines or FXS ports of traditional PBX.
  • FXS port (green light): For the connection of analog phones.
  • BRI port (orange light): For the connection of ISDN BRI lines.
Note: The sequence number of the ports corresponds to that of the Indicator lights in the front panel. (I.e. the LED lights in the front indicate the connection status of the corresponding ports at the back panel.)
Reset button Press and hold for 10 seconds to restore the factory defaults.

Rear Panel

Table 2. Descriptions of S50 Rear Panel
Port 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 the bad effects of external noise in the case of a lightning strike.