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Patton Electronics SN4741/32JS32VSP/RJ11/EUI - SmartNode VoIP Gateway, 32 FXS on RJ11, K.21 basic surge protection, 32 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, Optional Transcoding (max. 16 calls), 2x Gig Ethernet, 1x USB, 1x Console, Single External UI power (100240 VAC), Redundant Power Supply (Optional)

Patton Electronics SN4741/32JS32VSP/RJ11/EUI SmartNode VoIP Gateway, 32 FXS on RJ11, K.21 basic surge protection, 32 VoIP Calls…

UPC: 847840014145

Documents & Media
Manufacturer Product WebsiteUser Manual

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Patton SmartNode SN4741/32JS32VSP/RJ11/EUI is a 32-port FXS VoIP gateway engineered to bridge legacy analog telephony with modern SIP-based communication systems. This gateway supports up to 32 concurrent VoIP calls and is field-upgradeable to an embedded Session Border Controller (eSBC) for handling up to 200 SIP calls, enabling scalable network expansion without hardware replacement. Built for industrial reliability, it includes K.21 basic surge protection to safeguard against transient voltage spikes in harsh environments. Core connectivity features dual Gigabit Ethernet ports for high-speed LAN/WAN integration, a USB port for peripheral expansion (e.g., storage or additional interfaces), and a console port for direct CLI management. Security options include SIP-TLS and SRTP encryption for encrypted VoIP signaling and media streams, while optional transcoding supports up to 16 simultaneous calls for interoperability between different codec standards (G.711 a-law/mu-law, G.723, G.729ab, G.726, G.727). Powered by a single external UI power supply (100–240 VAC), the SN4741 also supports an optional redundant power supply for mission-critical deployments. Voice signaling is handled via H.323v4 and SIPv2 (B2BUA-capable) with support for multi-instance registrars, direct IP dialing, call transfer, redirect, and programmable DTMF tones. Ideal for hospitality (hotels, resorts), educational campuses, healthcare facilities, and industrial sites, this gateway ensures seamless integration of analog endpoints—phones, fax machines, modems—into VoIP infrastructures while maintaining feature transparency and flexible numbering plans. PPPoE, DHCP, and VLAN support enable universal IP connectivity, with optional IPsec VPN (AES/3DES) for secure public network communication.
  • 32 FXS ports for analog device integration (phones, fax, modems)
  • Supports up to 32 concurrent VoIP calls; upgradeable to eSBC for 200 SIP calls
  • Dual Gigabit Ethernet ports with VLAN, DHCP, and PPPoE support
  • K.21 basic surge protection for industrial reliability
  • Optional SIP-TLS/SRTP encryption, transcoding (16 calls), and redundant power supply

Specifications

Package Weight (Imperial)
5.85 lbs
5-port Ethernet Switch

SDI-550

5-port Ethernet Switch
Symmetrical DIN rail 2m 35x15x1,5 steel z-b

50000043

Symmetrical DIN rail 2m 35x15x1,5 steel z-b
ACS380 AC Drive, 3-380-480V In, 3HP, 6A, Type OPEN, 1.5 overload, Integrated, HxWxD 6.69x2.76x7.52 in, Module

ACS380-040S-07A2-4

ACS380 AC Drive, 3-380-480V In, 3HP, 6A, Type OPEN, 1.5 overload, Integrated, HxWxD 6.69x2.76x7.52 in, Module
BK63H 1P B2A 10kA 120/240VAC UL1077

0626030563

BK63H 1P B2A 10kA 120/240VAC UL1077
MC-50a AC120V 50/60Hz SCREW 1a1b (Metasol) EXP (MC50A-30-11-K7-S-E)

1338006700

MC-50a AC120V 50/60Hz SCREW 1a1b (Metasol) EXP (MC50A-30-11-K7-S-E)
GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)

1270040900

GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705010R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.
C.BREAKER TMAX XT2N 125 UL/CSA FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 90 I3=450...900 A

XT2NU3090BFF000XXX

C.BREAKER TMAX XT2N 125 UL/CSA FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 90 I3=450...900 A
Modular Emergency Stop - Twist release - Mushroom 40mm - Red - Non-illuminated - - No contact block

MPET4-10R

Modular Emergency Stop - Twist release - Mushroom 40mm - Red - Non-illuminated - - No contact block
The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.

NNC75X75WH2

The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.
HPS Open Style Control Transformer, 150VA 240x480V-120x240V 50/60Hz

C2G0150MQMJ

HPS Open Style Control Transformer, 150VA 240x480V-120x240V 50/60Hz
The TX6A™ 10Gig Cat 6A UTP Patch Cord is a 1-Meter, Blue cord constructed of 24 AWG, unshielded, twisted pair stranded, LSZH (60332-1) cable with high-performance modular plugs. Its MaTriX Tape Technology limits alien crosstalk, ensuring 10 Gb/s transmission. The tangle-free latch prevents snags and ensures a fast release, streamlining moves, adds, and changes. Enabled with RapidID, the product has pre-installed barcodes for simple port mapping using RapidID software.

UTP6AL1MBU

The TX6A™ 10Gig Cat 6A UTP Patch Cord is a 1-Meter, Blue cord constructed of 24 AWG, unshielded, twisted pair stranded, LSZH (60332-1) cable with high-performance modular plugs. Its MaTriX Tape Technology limits alien crosstalk, ensuring 10 Gb/s transmission. The tangle-free latch prevents snags and ensures a fast release, streamlining moves, adds, and changes. Enabled with RapidID, the product has pre-installed barcodes for simple port mapping using RapidID software.

Frequently Asked Questions

Is this device suitable for use in a residential environment?

No, this is a Class A device and is not intended for use in a residential environment.

How can I contact Patton for technical support?

You can contact Patton Technical Support by phone at +1 (301) 975-1007 or by email at [email protected].

What is the regulatory model number for this device?

The regulatory model number for this device is SN4741D4.

What is the warranty period for Patton SmartNode extender components?

Patton Electronics warrants all SmartNode extender components to be free from defects for one year from the first date of shipment.

What kind of power sources can be used with the SmartNode 4740?

The SmartNode 4740 supports both AC power inlets and DC power source inputs.

What is the warranty limitation regarding customer damage or modification?

The warranty does not cover customer damage, abuse, or unauthorized modification of the product.

What types of ports are available on the SN4741/32JS32VSP/RJ11/EUI?

This model features RJ11 & RJ21 combo ports.

Where can I find detailed pin-out information for the FXS ports?

Detailed pin-out information for RJ11 FXS ports is available in Appendix D of the user manual.

How do I connect the SmartNode to my laptop for initial configuration?

You can connect the SmartNode to your laptop PC using an Ethernet cable to the device's LAN port.

Frequently Asked Questions about Patton Electronics

What is Patton Electronics's warranty policy?

Patton Electronics offers a comprehensive 30-day money-back guarantee on all standard products. This allows customers to purchase with complete confidence, and if unsatisfied, return the product within 30 days. Additionally, Patton provides free top-notch technical support and offers extended warranty options for customers seeking additional protection.

What industries and applications are Patton Electronics products used for?

Patton Electronics products serve multiple critical industries including telecommunications, enterprise networking, industrial automation, banking, point-of-sale, and machine-to-machine communications. Their product lines like SmartNode VoIP, IPLink Routers, and Remote Access Servers enable connectivity solutions for ISP internet access, corporate VPN networks, remote industrial communications, secure banking transactions, and diverse network environments.

What technical support does Patton Electronics offer?

Patton Electronics offers comprehensive technical support through multiple channels, including free top-notch phone and online support directly from factory personnel. Customers receive immediate assistance via phone (+1.301.975.1007 in USA, +41.31.985.25.55 in Switzerland) or email ([email protected]). Their technical support includes free technical advice, installation assistance, advanced service level agreements (SLAs), extended warranty options, advance replacements, and on-site training services.

What are the main product lines offered by Patton Electronics?

Patton Electronics offers a comprehensive range of networking and communication products across multiple product lines, including VoIP Telephony, IP WAN Routers, DSL Products, Remote Access Servers, Serial Device Servers, Industrial Computers, Interface Converters, and Network Connectivity Solutions. Their key product categories span telecommunications infrastructure, network access technologies, and industrial communication equipment, with a strong focus on integrated voice/data routers, broadband connectivity, and network access solutions.

What are the key features of Patton Electronics products?

Patton Electronics offers a comprehensive range of industrial networking and communication products with key features including VoIP telephony, network access solutions, device servers, and Ethernet extension technologies. Their product lines feature robust software, industry-standard protocols (H.323, SIP, MGCP), and versatile interface options for voice and data networks. Standout capabilities include low-cost broadband routers, remote access servers with legacy modem compatibility, and Ethernet extenders that can operate over standard twisted pair cables with ranges up to 5 miles.

What communication protocols do Patton Electronics products support?

Patton Electronics products support multiple communication protocols across serial and Ethernet networks, including RS-232, RS-422, RS-485, Ethernet 10/100BaseTX, 802.11b WiFi, Bluetooth, IPv4, TCP/UDP, Telnet, DHCP, and NAT. Their device servers and networking solutions enable seamless communication between serial devices and Ethernet networks, with support for various data formats, parity options, and transmission speeds.

What environmental ratings do Patton Electronics products have?

Patton Electronics offers three primary environmental ratings through their EnviroNET product lines: EH Series (NEMA 4, 32-122°F), EC Series (32-185°F with environmental protection), and ET Series (Extended Temperature, -40 to 185°F with robust environmental resistance). These series protect against dust, rain, snow, moisture, and physical tampering, making them suitable for harsh industrial environments.

What accessories are available for Patton Electronics products?

Patton Electronics offers a wide range of accessories including power supplies, interface converters, surge protectors, baluns, line drivers, fiber modems, serial device servers, Ethernet extenders, and rack mounting solutions. Key accessories include universal AC/DC power supplies, rack chassis, interface cards, and connectivity adapters for various network and communication applications.

What certifications and standards do Patton Electronics products comply with?

Patton Electronics products are certified to ISO 9001 quality management standards and comply with key international certifications including UL (Underwriters Laboratories) for the USA and Canada. The company maintains a rigorous quality assurance system at their Gaithersburg, Maryland facility, ensuring their industrial networking, communications, and automation products meet high standards of performance and reliability.

How are Patton Electronics products typically installed?

Patton Electronics offers comprehensive installation support through their Global Solutions Group, which provides system engineering, installation, operations, and maintenance services for voice, data, and integrated networks. Their technical support team can assist with installation, and they offer extensive online resources including user manuals and technical notes at www.patton.com to facilitate product setup. For complex installations, Patton leverages a network of local personnel and integration contractors worldwide to ensure professional implementation.