Product Hierarchy
Product Hierarchy

NB3701-R - Railway Router with 5x FE, -40..+70°C, 24-48VDC,




Railway approved, compact onboard communication platform for future proof IP solutions. 5x Fast Ethernet. Temperature range -40…+70°C. Powered by 24 V DC.

Product Overview

Name: NB3701-R
WAN: IPv4; IPv6; IP Passthrough; DynDNS Client; PPPoE;

Product Life Cycle

Life Cycle: Active - Product is available

General Information

Scope of delivery: Device, General safety instructions

More Interfaces

USB interface: 1 x USB 2.0 socket to connect an approved USB storage device, USB Type A socket
SIM Cards: 2x Mini SIM (2FF)
Local Management and Device Replacement: Management via Web (HTTPs); Command Line Interface (CLI) over SSH/Serial/Web; SNMP v1/v2c/v3; Discovery via LLDP, CDP, FDP, SONMP, EDP, IRDP
Ethernet: 5x Fast Ethernet (100Base-TX, Auto MDIX, 10/100 Mbps, M12 D-coded female)
Power Supply: 1x M12 A-coded; EN50155 class S2/C1;
CPU: 1.3 GHz dual-core
Memory: 1 GB RAM
Storage: 4 GB flash
LEDs: 7 LEDs (STAT, MOBx, WLANx, …)
Reset Function: Pin-hole push button for reboot and factory reset

Radio technology

Load Balance: Link Prioritizatoin and Aggregation; Load Balancing; Diffserv; SFQ; HTB; Priority based Queuing

Power requirements

Operating Voltage: 24 … 48 VDC (±30%);
Power consumption: max. 15 W

Diagnostics features

Alarm and event actions: Email; SMS
Monitoring: Watchdogs (Hard- and Software); Link Supervision; MQTT Broker

Security features

Multipoint VPN: VXLAN, CSD dial-in, OpenVPN, IPSec, GRE, L2TP, PPTP, IKEv1/v2

Service

Other services: DNS Cache;

Software

Firmware Storage: Fail-safe update (FOTA); Software Update via USB, HTTP(s) (push), FTP (pull), SFTP (pull), TFTP (pull)
Radius Server: External Radius Server Management User Authentication
Software features: Software Development Kit (SDK);
Software Version: 5.0 (updates free of charge)
Operating system: NRSW (NetModule Router Software)
Switching: VLAN (802.1Q)
Redundancy: Multipath TCP, VRRP (Virtual Router Redundancy Protocol), RSTP (Rapid Spanning Tree Protocol)
Diagnostics: Netflow (Softflow), Ping, Traceroute, Tcpdump, Speed Test
Configuration: DHCP Client and Server
Security: Certificate Management (SCEP Client, Signing Requests), Certificate formats: PKCS12, PKCS7, PEM/DER, RSA/Ed25519 (OpenSSH/Dropbear), "Let's encrypt" support, Elliptic Curve Certificates (ECC), 802.1x for LAN, Stateful Firewall, Connection Tracking, Bridge Filtering
Time synchronisation: NTP Client and Server, SNTP Server
Routing: Destination, Policy, Multipath, OSPF, BGP, Multicast, TCP-MSS Clamping, NAT, NAPT, Masquerading
Management Software: Compatible with "Connectivity Suite"

Ambient conditions

Degree of Protection when Installed: IP40
Operating temperature: -40-+70 °C

Mechanical construction

Dimensions (WxHxD): 165/190 mm x 85 mm x 104 mm
Weight: 1100 g
Mount Type: Flat surface mounting

EMC emitted immunity

EMV 06: Yes

Approvals

Basis Standard: CE according to 2014/53/EU (RED), 2011/65/EU (RoHS)
Transportation: EN 45545, EN 50155 class OT4/ST0
UK Regulation Compliance: UKCA Mark
Suitability - Indoor: Yes

Reliability

Guarantee: 5 years

Further Instructions

History

Update and Revision: Revision Number: 0.4 Revision Date: 12-15-2025
Variants
Item #Type
942998527NB3701-R
Belden-NetModule-Transportation-2023-08-BR-EN Lowres.pdf
Netmodule-Compliance-Overview-2025-08-28.pdf
NB3701_enclosure.pdf
NB3701_Installation_Instruction.pdf
NB3701_compliance.zip
NB3701_3D.zip
No accessories are available for this product