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Patton Electronics SN4741/48JS48VSP/RJ11-21/RUI - SmartNode VoIP Gateway, 48 FXS on RJ11&2xRJ21-50pin, K.21 basic surge protection, 48 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, 2x Gig Ethernet, 1x USB, 1x Console, Redundant Internal UI power (100240 VAC)

Patton Electronics SN4741/48JS48VSP/RJ11-21/RUI SmartNode VoIP Gateway, 48 FXS on RJ11&2xRJ21-50pin, K.21 basic surge protection, 48…

UPC: 847840014206


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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 SN4741/48JS48VSP/RJ11-21/RUI VoIP Gateway is a high-density analog-to-SIP conversion solution designed for large-scale telephony deployments. This gateway provides 48 FXS ports via RJ11 and dual RJ21-50pin connectors, enabling seamless integration of legacy analog devices—such as phones, fax machines, and modems—into modern SIP-based communication systems. The SN4741 supports up to 48 concurrent VoIP calls out of the box and is field-upgradeable to an embedded Session Border Controller (eSBC) for handling up to 200 SIP calls, offering scalable capacity for growing networks. Built with K.21 basic surge protection, the SN4741 safeguards connected equipment against transient voltage spikes, ensuring reliable operation in industrial and commercial environments. Dual Gigabit Ethernet ports deliver high-speed connectivity for VoIP traffic, while a USB port and console interface provide flexible configuration and expansion options. The device operates on 100–240 VAC redundant internal power, ensuring continuous uptime even during power fluctuations. Ideal for applications requiring high port density, the SN4741 is optimized for hotels, resorts, campuses, and large industrial facilities. Its modular design supports future upgrades without hardware replacement, reducing total cost of ownership. The gateway’s compatibility with Patton’s SmartNode ecosystem allows for centralized management and monitoring, streamlining network administration. With no moving parts and a compact form factor, the SN4741 is engineered for 24/7 reliability in mission-critical environments.
  • 48 FXS ports via RJ11 and 2x RJ21-50pin connectors for analog device integration
  • Supports up to 48 concurrent VoIP calls; upgradeable to 200 SIP calls with eSBC
  • K.21 basic surge protection for reliable operation in industrial/commercial environments
  • Dual Gigabit Ethernet ports for high-speed VoIP connectivity
  • Redundant 100–240 VAC internal power for continuous uptime

Specifications

Series
SN4741
Voltage Rating
100-240 VAC
Package Weight (Imperial)
0 lbs
SmartNode Industrial VoIP Gateway, 2 FXS, 2 FXO, 4 VoIP Calls, eSBC upgradeable (SIP b2b UA max. 200 SIP calls), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, Power - Internal +12 to +48 VDC

SN4141E/2ETH2JS2JO4V/DC

SmartNode Industrial VoIP Gateway, 2 FXS, 2 FXO, 4 VoIP Calls, eSBC upgradeable (SIP b2b UA max. 200 SIP calls), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, Power - Internal +12 to +48 VDC
SmartNode VoIP Gateway, 32 FXS on 2xRJ21-50pin, 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, Redundant 48V DC Power

SN4741/32JS32V/RJ21/R48

SmartNode VoIP Gateway, 32 FXS on 2xRJ21-50pin, 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, Redundant 48V DC Power
SmartNode VoIP Gateway, 2 FXS, 2 FXO, 4 VoIP calls or 4 SIP-SIP Calls (SIP b2b UA) upgradeable (max. 200), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, external UI power (100240 VAC)

SN4141/2ETH2JS2JO4V/EUI

SmartNode VoIP Gateway, 2 FXS, 2 FXO, 4 VoIP calls or 4 SIP-SIP Calls (SIP b2b UA) upgradeable (max. 200), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, external UI power (100240 VAC)
SmartNode VoIP Gateway, 4FXS, 4 VoIP Calls, or 4 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, external UI power (100240 VAC)

SN4141/2ETH4JS4V/EUI

SmartNode VoIP Gateway, 4FXS, 4 VoIP Calls, or 4 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, external UI power (100240 VAC)
SmartNode VoIP Gateway, 8FXO, 8 VoIP calls or 4 SIP-SIP Calls (SIP b2b UA) upgradeable (max. 200), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, external UI power (100240 VAC)

SN4141/2ETH8JO8V/EUI

SmartNode VoIP Gateway, 8FXO, 8 VoIP calls or 4 SIP-SIP Calls (SIP b2b UA) upgradeable (max. 200), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, external UI power (100240 VAC)
SmartNode VoIP Gateway, 128 FXS on 6xRJ21-50pin, K.21 basic surge protection, 128 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, 2x Gig Ethernet, 1x USB, 1x Console, Redundant Internal UI power (100240 VAC)

SN4741/128JS128VSP/RJ21/RUI

SmartNode VoIP Gateway, 128 FXS on 6xRJ21-50pin, K.21 basic surge protection, 128 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, 2x Gig Ethernet, 1x USB, 1x Console, Redundant Internal UI power (100240 VAC)
SmartNode Industrial VoIP Gateway, 8 FXS, 8 VoIP Calls, eSBC upgradeable (SIP b2b UA max. 200 SIP calls), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 1x Gig Ethernet, external UI power (100240 VAC)

SN4141E/8JS8V/EUI

SmartNode Industrial VoIP Gateway, 8 FXS, 8 VoIP Calls, eSBC upgradeable (SIP b2b UA max. 200 SIP calls), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 1x Gig Ethernet, external UI power (100240 VAC)
SmartNode VoIP Gateway, 4 FXS, 4 FXO, 8 VoIP calls or 4 SIP-SIP Calls (SIP b2b UA) upgradeable (max. 200), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, external UI power (100240 VAC)

SN4141/2ETH4JS4JO8V/EUI

SmartNode VoIP Gateway, 4 FXS, 4 FXO, 8 VoIP calls or 4 SIP-SIP Calls (SIP b2b UA) upgradeable (max. 200), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 2x Gig Ethernet, external UI power (100240 VAC)
SmartNode VoIP Gateway, 16 FXS on RJ11, 16 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, Optional Transcoding (max. 8 calls), 2x Gig Ethernet, 1x USB, 1x Console, Redundant 48V DC Power

SN4741/16JS16V/RJ11/R48

SmartNode VoIP Gateway, 16 FXS on RJ11, 16 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, Optional Transcoding (max. 8 calls), 2x Gig Ethernet, 1x USB, 1x Console, Redundant 48V DC Power
SmartNode Industrial VoIP Gateway, 2 FXS / 2FXO, 4 VoIP Calls, eSBC upgradeable (SIP b2b UA max. 200 SIP calls), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 1x Gig Ethernet, Power - Internal +12 to +48 VDC

SN4141E/2JS2JO4V/DC

SmartNode Industrial VoIP Gateway, 2 FXS / 2FXO, 4 VoIP Calls, eSBC upgradeable (SIP b2b UA max. 200 SIP calls), Optional SIP-TLS/SRTP; Transcoding (max. 4 calls), 1x Gig Ethernet, Power - Internal +12 to +48 VDC
SmartNode VoIP Gateway, 128 FXS on RJ11&6xRJ21-50pin, K.21 basic surge protection, 128 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, 2x Gig Ethernet, 1x USB, 1x Console, Redundant 20-59V DC power

SN4741/128JS128VSP/RJ11-21/R48

SmartNode VoIP Gateway, 128 FXS on RJ11&6xRJ21-50pin, K.21 basic surge protection, 128 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, 2x Gig Ethernet, 1x USB, 1x Console, Redundant 20-59V DC power
SmartNode VoIP Gateway, 16 FXS on RJ11, K.21 basic surge protection, 16 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, Optional Transcoding (max. 8 calls), 2x Gig Ethernet, 1x USB, 1x Console, Redundant 48V DC Power

SN4741/16JS16VSP/RJ11/R48

SmartNode VoIP Gateway, 16 FXS on RJ11, K.21 basic surge protection, 16 VoIP Calls, upgradeable to eSBC (max. 200 SIP calls), Optional SIP-TLS/SRTP, Optional Transcoding (max. 8 calls), 2x Gig Ethernet, 1x USB, 1x Console, Redundant 48V DC Power

Frequently Asked Questions

What is the warranty coverage for this product?

The warranty covers defects in workmanship or materials for one year from shipment, excluding customer damage, abuse, or unauthorized modification.

How can I contact Patton for technical support?

You can contact Patton Technical Services for free support via phone at +1 (301) 975-1007 or email at [email protected].

Does the manual provide pin-out details for the ports?

Yes, the manual includes detailed pin-out diagrams for Ethernet and FXS ports, including specific layouts for RJ11 and RJ21 models of various port counts.

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 is the regulatory model number for this device?

The regulatory model number for this device is SN4741D4.

Is this device suitable for residential environments?

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

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

The SmartNode 4740 supports both AC power via C14 inlets and DC power via terminal blocks.

What is the purpose of the reset button?

The reset button can be used to reset the SmartNode device when it is operating and a POWER LED is lit, with an option for minimal config recovery in exceptional cases.

What are the available port types for the SmartNode 4740?

The SmartNode 4740 series offers RJ21 versions and RJ11 & RJ21 combo versions for its analog FXS interfaces.

How do I install a ground wire on the SmartNode device?

The installation guide details installing a ground wire on the SmartNode device's grounding stud.

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.