Home | Products | Patton Electronics | VoIP | Analog VoIP Routers | SN4520 - Analog VoIP Router, up to 8 FXS/FXO SN4520 - Analog VoIP Router, up to 8 FXS/FXO Additional Documentation SN4520 datasheet (214.86 KiB) Multi-Port FXS/FXO VoIP Gateway Router SN4522/JO/EUI SmartNode Dual FXO VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI Power Request Pricing SN4522/JS/EUI SmartNode Dual FXS VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI power Request Pricing SN4524/2JS2JO/EUI SmartNode 2 FXS & 2 FXO VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI Power Request Pricing SN4524/JO/EUI SmartNode 4 FXO VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI Power Request Pricing SN4524/JS/EUI SmartNode 4 FXS VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI Power Request Pricing SN4526/4JS2JO/EUI Smartnode 4 FXS 2 FXO VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI Power Request Pricing SN4526/JS/EUI SmartNode 6 FXS VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI Power Request Pricing SN4528/4JS4JO/EUI SmartNode 4 FXS & 4 FXO VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI Power Request Pricing SN4528/JS/EUI SmartNode 8 FXS VoIP GW-Router; 2x10/100baseT, H.323 and SIP, External UI Power Request Pricing