Yealink S300 [7/16] Port description

Yeastar S300 Installation Guide

7/16

FXO

Red light

 Blinking slowly: no PSTN line is

connected to the port.

 Static: the PSTN line is idle.

 Blinking rapidly: the PSTN line is busy.

Port Description

Ports

Description

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 front panel.)

E1/T1 Port

Connect the E1/T1 line.

ANT

Rotate the antenna into the Antenna Socket.

USB Slot

Connect a USB drive or mobile hard disk drive.

SD Slot

Insert a SD card.

Ethernet Port

Yeastar S300 provides two 10/100/1000 Mbps adaptive RJ45 Ethernet ports.

There are 2 Ethernet modes for the system. The default mode is “Bridge”.

 Bridge: LAN port interface will be used for uplink connection. WAN port

interface will be used as bridge for PC connection.

 Dual: both ports can be used for uplink connection.

Reset Button

Press and hold for 10 seconds to restore the factory defaults.

Power Inlet

Connect the supplied power supply to the port.

Power Switch

Switch on or off the device.