Quadro6L/4L/2x2 Manual I: Installation Guide About This Installation GuideQuadro6L/4L/2x2; (SW Version 5.3.x and higher) 6About This Installation GuideThis Installation Guide explains the installation of the Quadro IP PBXs of Quadro6L, Qua-dro4L and Quadro2x2 series.• Quadro6L offers 6 phone lines (FXO), 1 Ethernet LAN port and 1 Ethernet WANport as external interfaces.• Quadro4L offers 4 phone lines (FXO), 2 phone extensions (FXS), 1 Ethernet LANport and 1 Ethernet WAN port as external interfaces.• Quadro2x2 offers 2 phone lines (FXO), 2 phone extensions (FXS), 1 Ethernet LANport and 1 Ethernet WAN port as external interfaces.This Installation Guide gives step-by-step instructions to provision the Quadro and confi-gure the phone extensions with the Epygi SIP Server. After successfully configuring theQuadro, a user will be able to make SIP phone calls to remote Quadro devices, make localcalls to the PSTN and access the Internet from devices connected to the LAN.This Installation Guide neither describes the PBX, Auto Attendant, Call Relay, and VoiceMail features of the Quadro nor does it provide advanced firewall and VPN configuration in-formation. For these features, refer to the Administrator's and Extension User's Guides.Step 1: Installing the Quadro explains the connection of cables and devices to the Qua-dro.XStep 2: Configuring the Quadro describes the configuration steps necessary to integratethe Quadro into your network environment.XStep 2-A: Using IP Lines explains how to configure IP lines on the Quadro IP PBX and toconnect IP phones to become functional in the Quadro’s LAN.Step 2-B: Using Key System Emulation explains how to configure SLA lines.Step 2-C: Using Receptionist refers to the document describing Receptionist’s configura-tion on the Quadro.Step 3: Registering on Epygi’s Technical Support shows you how to access the EpygiTechnical Support Center and the Epygi SIP Server.Step 4: Making/Receiving CallsX explains how to enable the Quadro’s various telephonyfeatures.Appendix: Changing the Admin Password explains how to change the default administra-tor password.Appendix: Configuring NAT Traversal explains configuration of the Quadro if it is placedbehind a NAT enabled router.Appendix: Registering on Epygi’s SIP ServerX explains how to register on Epygi's powerfulSIP server.Appendix: Checking the Connections gives hints on solving common problems.