E Lins
Product Overview

H685c customized core motherboard

The E-Lins team can design a suitable integrated circuit motherboard according to the customer's solution requirements, which can realize various scenarios such as the Internet of Things.
H685c customized core motherboard • KEY SPECS IN PRODUCTION
H685c customized core motherboard
Connectivity Type
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Network Protocols
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Wi-Fi
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The E-Lins team can design a suitable integrated circuit motherboard according to the customer's solution requirements, which can realize various scenarios such as the Internet of Things.

The H685c custom core motherboard is an integrated serial port motherboard customized by a Spanish customer. It uses multiple gpio control pins to meet the customer's own equipment needs.

Highlights

With 52 GPIO controls (the specific number can be adjusted according to customer needs)

With Multi-Powerful-Features

Perfect system backup, upgrade, recharge function

 Service functions such as ICMP Check and SNMP

Network interface

E-Lins has a better industrial design

Industrial Applications

  • Remote data monitoring & control (SCADA / telemetry)
  • CCTV & security surveillance backhaul
  • AMR automatic meter reading — water, gas, oil flow
  • Power station & distribution network supervision
  • POS terminals, ATM & vending machines
  • Traffic signal & street lamp monitoring
  • Fleet management & vehicle diagnostics
  • Hydrologic / weather station data acquisition
  • Telecom base-station equipment supervision

Always-Online Failover

Cellular, wired WAN and Wi-Fi client back each other up automatically. When one link drops, traffic switches in seconds — your SCADA polling never notices.

Serial DTU for Legacy Devices

Optional RS232/RS485 port bridges Modbus RTU meters and decades-old controllers onto IP networks. No forklift upgrade — the serial device just gains a 4G link.

Full VPN Suite On Board

IPsec, L2TP, PPTP and GRE tunnels terminate directly on the router. Site data reaches your platform encrypted, without extra security appliances.

Built for Outdoor Cabinets

Wide-temperature components, enhanced ventilation and a compact metal body fit cramped street cabinets and survive them. Rated for −35 °C cold starts to +75 °C summer heat.

Self-Healing Watchdog

A hardware watchdog plus multi-layer link detection restarts frozen links before anyone calls you. Unattended sites keep working for years, not weeks.

Fleet Management via NMS

Every H685T reports signal, traffic and status to E-Lins NMS cloud. Push configs and firmware to one unit or ten thousand — from a single dashboard.

Typical Deployment Topology

RTU / PLC / Meter

Modbus RTU • Ethernet
existing field device
RS485 / LAN

H685T Router

DTU gateway • VPN tunnel
failover & watchdog
4G TDD-LTE

4G Network

carrier network
B38/39/40/41
IPsec / MQTT

Cloud Platform

SCADA center • E-Lins NMS
your IoT application

H685c customized core motherboard in the E-Lins 4G Family

H685c customized core motherboard This Model H750 Dual SIM 4G CAT9 Router EL901-AXG-411NS POE Switch 5 Port H900t-P2
Product Type - - - Indoor
Cellular Connectivity - - - Cellular
Connectivity Type - - - 4G LTE
Ethernet Ports - - - 5 EH Ports
SIM Card - - - Dual SIM
Ethernet Speed - - - 10/100/1000Mbps
PoE - - - Active PoE Out/PoE PSE
Wi-Fi - - - No Wi-Fi
SFP Port - - - No SFP
Serial - - - RS232
Features - - - Dual SIM/Active PoE Out/eSIM
Industrial Protocols - - - Modbus/DNP3/eSIM
Network Protocols - - - MQTT/TCP/UDP/IPv4/IPv6/DNS/HTTP/NTP/ICMP
Operating System - - - Linux
Power Socket - - - 3 PIN Jack
Datasheet H685c customized core motherboard ↓ H750 Dual SIM 4G CAT9 Router → EL901-AXG-411NS POE Switch 5 Port → H900t-P2 →

KEEP EXPLORING

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Need Wi-Fi, 5G or an extended temperature range? These upgrades build on the H685c customized core motherboard platform.

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IN THE BOX & ADD-ONS

Accessories Available

Genuine E-Lins accessories tested with the H685c customized core motherboard: power, antenna, mounting and cabling.

Sample list — awaiting the accessory catalogue.

4G LTE SMA Antenna (Standard)
High-Gain 4G Antenna 5 dBi
12V / 1.5A Power Adapter
DIN Rail Mounting Kit
RS232 Serial Cable (DB9)
RS485 Terminal Block Cable
9-36V DC Vehicle Power Cable
Wi-Fi Antenna 2.4 GHz
Magnetic-Mount 4G Antenna
SMA Extension Cable 3 m
Wall-Mount Bracket Kit
PoE Splitter (Passive)

USE CASES · SOLUTIONS

Solutions Built on the H685c customized core motherboard

See how system integrators deploy it across smart city, energy and transportation projects.

All Solutions
Free 30-Day Trial

Cloud Platform · Included with E-Lins Routers

Network Management
System

Monitor, configure and upgrade your entire fleet of H685c customized core motherboard routers from one cloud dashboard: bulk operations, real-time alerts and API integration. Cloud SaaS or private on-premise deployment.

Bulk firmware upgrades Real-time alerts Open API integration
E-Lins NMS fleet overview dashboard showing connected sites and signal levels

About the E-Lins H685c customized core motherboard

The E-Lins team can design a suitable integrated circuit motherboard according to the customer's solution requirements, which can realize various scenarios such as the Internet of Things.


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