Quadro6L/4L/2x2 Manual I: Installation Guide Step 1: Installing the QuadroQuadro6L/4L/2x2; (SW Version 5.3.x and higher) 12LAN/WAN Connection Options• A Quadro6L with an Ethernet WAN port behind a router, which is connectedto a cable or xDSL modem. IP phones are placed on the WAN side of theQuadro6L.Fig. l- 4: Configuration: Quadro6L behind a router with IP phones on WAN• A Quadro4L/2x2 with an Ethernet WAN port behind a router, which is con-nected to a cable or xDSL modem. IP phones are placed on the WAN side ofthe Quadro4L/2x2.Fig. l- 5: Configuration: Quadro4L/2x2 behind a router with IP phones on WANIn this and the following configuration (Fig. I -4, Fig. I -5, Fig. I -6 and Fig. I -7), the IP routertypically acts as a DHCP server for the LAN and assigns the IP addresses to the PCs andother devices. The Quadro can be connected through its WAN port directly to one of therouter's LAN ports and will get an IP address from the router. By default, the Quadro actsas a DHCP client on the WAN port. The IP phones are placed on the WAN side of the Qu-adro4L/2x2, connected to the company LAN.The Admin PC can be connected to the Quadro WAN or LAN port to access the Web Man-