Yealink S20 [11/12] Connecting the equipment

Yeastar S20 Installation Guide

11/12

Connecting the Equipment

STEP 1 Connect one end of a network cable to the LAN port of Yeastar S20, and the other end to

any port of your company’s LAN switch/router.

STEP 2 Connect the telephony line to the RJ11 port of the IP PBX.

RJ11 Port

Description

FXS

Connect one end of a RJ11 phone cable to the port. Connect the other end to

the analog phone or fax machine.

FXO

Connect an RJ11 cable to the FXO port. Connect the other end of the cable to a

PSTN line.

BRI

Connect the cable provided by the ISDN BRI provider to the BRI port. Connect

the other end of the cable to the ISDN provider equipment.

STEP 3 Plug the provided power adapter into the power jack on S20 and the other end to a

standard electrical wall socket. Wait for the system to boot up till the SYSTEM LED starts

to blink.

NOTE

Connect BRI/PSTN/analog phone/fax machine to the corresponding port based on the color of port

indicator.