TR321 4G Dual-Ethernet Industrial Router

selection summary

TR321 is suitable for projects requiring a network of pumping and heat exchange station equipment, environmental protection, hydro-meteorological monitoring points, recharge stakes, self-help terminals and small control cabinets. Its core configuration is China's Mobile, Connectivity, Telecommunications 4G; Wi-Fi 802.11 b/g/n optional; 1 x WAN+1 x LAN (available 2 x LAN), 1 x RS232, RS485/RS422. Check interfaces, protocols and domestic cellular versions before deciding whether to use them.

Product overview

A compact 4G industrial router for networking of decentralized equipment and forwarding of serial data. A double net can be used to back up a cable/beecom link, a serial mesh, a PLC or a controller, which is suitable for controlling a station with limited cabinet space and limited data.

The procurement staff will look at these three points first.

Whether to match the sceneClear list of equipment points, number of interfaces and version of the protocol to avoid selection based solely on product name.

Full scope of procurementAntennas, power, SIM/APN, mine protection, cabinets, platform access, solidware and authorization are also identified outside the mainframe.

Basis of acceptanceThe contract contained order codes, hardware interfaces, cellular modules, protocol versions, test points and random documents.

Data links and working methods

On-site instrumentation, PLC or sensor, through Ethernet, serial or I/O access, equipment completes transmission, protocol conversion, cache or edge processing, and is sent to SCADA, integrator software, MQTT platform or operating system via 4G/5G or cable network. Stability depends on the design of a table of points, a round of interviews, network coverage, a bridging strategy and a platform interface.

Core advantages

Double-net and 4G links can be backed up.
Serial DTU integration with route function to reduce independent conversion devices
Light power, doordogs and cut-off reconnects are suitable for manned positions.

Usage scenarios

Networking of pumping and heat switching stations
Environmental, hydro and meteorological monitoring points
Charge stakes, self-help terminals and small control cabinets

application benefits

Construction valueReduced fragmentation converters and duplicate wiring and centralized management of on-site equipment access, network transmission and remote maintenance.

Run ValueReduction of data gaps caused by temporary break-nets through chain testing, local caches and break-points.

Operation and maintenance valueRemote view of status, configuration and upgrade to reduce the number of on-site screenings at remote sites; key changes still require the retention of version records.

Technical parameters

Product category	Industrial IoT Gateways
Beehive and Network	China Mobile, Connectivity, Telecommunications 4G; Wi-Fi 802.11 b/g/n Choose
Hardware interface	1 x WAN and 1 x LAN (configurable as 2 x LAN), 1 x RS232; RS485/RS422 optional
Communications and industrial agreements	TCP/UDP transparent transmission, MQTT, Modbus RTU/TCP, IPsec, OpenVPN, L2TP and PPTP
Electricity	DC 5~35V, standard DC 12V/1.5A
Protection and environment	IP30,-35 ~75°C, relative humidity 93% ± 3% uncondensed
Size & Installation	100 x 100 x 23 mm, approximately 320g

Note: The cellular modules, interfaces, protocols and software functions vary in configuration, and page parameters are used for the initial selection, which is ultimately based on written technical confirmation and order code.

Selection guide

First, the site needs 1 WAN+1LAN or 2 LAN, and the rate of access is checked.
The specified serial number is RS232, RS485 or RS422; RS485/422 should be included in the order code at the time of selection.
Identification of SIM operator, on-site 4G signal, APN/VPDN and fixed IP requirements.
The specific software version must be confirmed prior to the quotation when a secret, power charter or specialized solidware is required.

specification range:It is suitable for basic networking and serial traffic and is not appropriate as a multi-agreement edge computer. If more than five Ethernet devices, container applications, OPC UA or large amounts of local storage are required on site, a higher configuration gateway should be selected.

Key points for installation and commissioning

Power supply, grounding, mine-protected and antenna position checks are completed and access to on-site equipment is completed; communication lines are separated from power lines.
The validation station number, Porter rate, validation place, repository and data unit by point, with local access to the platform.
Set collection cycles, reporting cycles, caches and catch caps, and simulate off-grid, off-power and off-site scenarios.
Maintenance of configuration, solid version, SIM/APN, protocol mapping and acceptance records after shipment to facilitate subsequent replacement and traceability.

Procurement and Technical Confirmation Checklist

On-site equipment brand type, quantity, interface, protocol, depository table and data unit.
4G/5G operator, frequency band, SIM/APN, fixed IP/VPN, monthly traffic and signal test results.
Electricity supply range, maximum power consumption, container protection, mine protection, humidity and installation space.
Platform address, reporting format, collection/reporting cycle, breakpoint relay, remote upgrade and account number privileges.
Standards and selection functions, solid version, authorized costs, annexes, quality assurance and acceptance methods.

FAQ

What is TR321 for?

TR321 is used mainly for compact 4G industrial routers for networking of decentralized equipment and for teleporting data. The selection shall first confirm the on-site equipment, interfaces, protocols, network and power supply, rather than be based only on 4G or 5G names.

Can TR321 access PLC, instrument or sensor?

Yes, but with actual interfaces and protocols. The reference interface is 1 x WAN+1 x LAN (which can be 2 x LAN), 1 x RS232, RS485/RS422 is optional; if private PLC agreements or exclusive statutes are involved, a list of equipment and contact lists should be provided first.

What communication agreements are supported by TR321?

Reference agreements include TCP/UDP Express, MQTT, Modbus RTU/TCP, IPsec/OpenVPN/L2TP/PPTP. Some industry agreements, platform plugins or secondary development functions may require the designation of solids, with the version, authorization and delivery to be confirmed prior to ordering.

Can the 4G/5G version of TR321 be used directly by the three main domestic operators?

Requires confirmation by specific module and order code. Product lines may include different national/regional bands; domestic projects should check mobile, connectivity, telecommunications frequency bands, SIM/APN, on-site coverage and local access requirements, and should not substitute “global frequency bands” for an optional identification.

Could TR321 be installed directly outdoors?

The reference environmental condition is IP30, -35 ~75°C, with a relative humidity of 93% ± 3% without condensation. The IP30 product should be installed in containers with water, dust, mine and temperature-control conditions and cannot be used as outdoor water protection equipment.

What information is required for request TR321?

Please provide a list of the points of equipment, the number of interfaces, protocols and repositories, the collection and reporting cycle, the central platform, the cellular operator, the power supply, the installation of the environment, the requirements for remote maintenance and the selection functions required.

Ordering instructions

This page does not write optional features into standard configurations. In cases involving cellular bands, industry regulations, State secrets, secondary development, certification or platform authorization, a written confirmation of the corresponding version must be obtained prior to the next list.

Industrial IoT Gateways