The SmartNode 4520 Series ToIP Gateway-Router supports up to 8 FXS or FXO telephone connections. It combines voice over IP (VoIP) with advanced Quality of Service (QoS) and full Internet access and security features to provide best-in-class service and voice quality.

Patton SmartNode SN4524/JS/EUI – 4 FXS Ports, 2x 10/100BaseT, IP Router, H.323 and SIP, External UI Power.

Connect with confidence using the SmartNode 4520 VoIP Gateway Router. Integrating a complete enterprise router with a full-featured Voice-over-IP Media Gateway offers the new standard in toll-bypass, remote/branch office connectivity, and enhanced carrier services. Perfect for the Remote office, Branch office, or PBX/Switch extension, the SmartNode 4520 integrates all your voice, FAX, and LAN traffic for seamless and secure networking.

With its analog ports the SN4520 Series supports up to eight simultaneous calls, connects to any legacy telephone or PBX, and provides dial-tone, ringing, and caller-ID. When equipped with FXO ports, the local PSTN can be accessed enabling local calling, enhanced toll-bypass services, and fallback configurations. ClearConnect adaptive network monitoring ensures your call always gets connected even if the VoIP link goes down or becomes congested.

With dual 10/100 Ethernet ports, the SN4520 Series provides IP routing with guaranteed Quality of Service. Voice traffic is prioritized while LAN/IP traffic shaping permits efficient access to the Internet and corporate networks. As a complete enterprise router, the SN4520 supports DHCP, NAT, Firewall/ACL, and PPPoE clients. While IPSEC VPN and VLAN tunnel data while DES, 3DES or AES enables secure voice and data over the public network.

This integrated access router and VoIP Gateway benefits service providers and enterprise network administrators with a lower cost of ownership and better service quality.

Voice Connectivity
- 2, 4, 6, or 8 FXS ports (model dependent)
  - 2-wire Loopstart, RJ-11/12
  - Short haul loop 1.1 KM @3REN
  - EuroPOTS (ETSI EG201 188)
  - Programmable AC impedence, feeding, and ring voltage; On-Hook Voltage 29VDC
  - Caller-ID Type-1/2 FSK and ITU V.23/Bell 202 generation
- 2 or 4 FXO ports (model dependent)
  - 2-wire loop-start presented as an RJ-11/12
  - 2.5kV line isolation Surge Protection: Voice Ports: Tip & Ring protected by 270 V side actor
  - Off-hook and ring detection, Automatic line gain, Programmable ring count
  - End of Call detection, Line drop, busy tone, battery reversal detection
  - Hook-Flash Sending, H.245 Hook-Flash relay, DTMF send, detect, and relay
  - Caller ID FSK CLI reception and relay (Bellcore/ANSI and ETSI/ITU), Call routing based on Caller ID
  - Second dial-tone for two-stage DTMF dialing, Call routing based on DTMF numbers
- SIPv2, H.323v4 (B2BUA capable, multi instance, simultaneous support of multiple registrars and direct IP calling)
Data Connectivity
- Dual 10/100 Full Duplex, Autosensing, Ethernet RJ-45
- Static Routes, ICMP redirect (RFC 792), RIPv1, v2 (RFC 1058 and 2453)
- Static and dynamic NAT and NAPT
- DHCP server and Client
- Access Control Lists
- IPSEC AH & ESP Modes, preshared Keys
- AES/DES/3DES Encryption
Voice processing
- Codecs: G.711 a-law/mu-law, G.723.1, G.729ab, G.726, T.38 fax relay (9.6 k, 14.4 k)
- G.711 transparent fax and bypass
- SIP & H.323
Call routing and services
- Virtual Interfaces
- Routing Criteria: Called party number (Destination) Calling party number (Source) Time of day, day of week, date
- Longest prefix match, wildcard match, regular expression match
- Number Manipulation Functions: Replace numbers Add/remove digits Regular Expressions
- Fallback Routing: Soft Fallback to alternative interface or Call Router table
Quality of Service
- Traffic classification by ACL
- TOS and DiffServ labeling Configurable TOS/Precedence bits or DiffServ codepoints
- IEEE 802.1p/Q
- Traffic scheduling: Priority, Weighted fair queuing (WFQ), Hierarchical traffic classes
- Policing of traffic classes
- DownStreamQoS Dynamic restriction of inbound (downstream) TCP traffic to free bandwidth for voice packets.
- Improves voice quality in the receiving direction
Management
- Web/HTTP, CLI with local console & remote Telnet access
- TFTP configuration & firmware loading
- SNMP MIB II and product MIB
- Secure autoprovisioning for firmware & unit/subscriber configuration
- Built-in diagnostic tools (trace, debug, call generator)
Power & Packaging
- Power: 100/240 VAC (50/60 Hz)
- Power dissipation: 4-12W, model dependent
Operating Environment
- Operating temperature: 32-104F (0-40C)
- Operating humidity: 5-80%, non condensing
Compliance
- EMC: EN55022 and EN55024
- Safety: EN 60950
- CE
- FCC Part 15 Class A
- TBR21 (FXS)
- RoHS