Patton electronic 4520 Contents, Compliance information, About this guide, General information

Contents
	Contents	3
	Compliance information	7
	Radio and TV interference	7
	CE notice	7
	Service	7
	About this guide	9
	Audience	9
	Structure	9
	Precautions	10
	Safety when working with electricity	10
	Preventing electrostatic discharge damage	11
	General observations	11
	Typographical conventions used in this document	12
	General conventions	12
1	General information	13
	SmartNode Series VoIP routers overview	15
	SmartNode 4520 Series router	16
	Ports descriptions	18
	SmartNode 4110 Series router	20
	Ports descriptions	22
2	Applications overview	25
	Introduction	27
	Applications for SmartNode 4110 Series	27
	SIP and H.323 terminal and PSTN gateways	27
	Application—Analog line extension over IP	28
	Application—ITSPdial-in access	28
	Application—Private line automatic ringdown (PLAR)	29
	Application—Enterprise campus BRI to FXS telephony extension	29
	Application—PBX toll bypass gateway	30
	Applications for SmartNode 4520 Series	30
	Application—SOHOoff-premise extension	31
	Application—Single-phone PSTN and VoIP access	32
3	Hardware installation	33
	Planning the installation	35
	Installation checklist	36
	Site log	37
	Network information	37
	Network Diagram	37
	IP related information	37
		3