USR-M300: High Performance Edge IoT Gateway

Power supply

Power input

DC 9~36V

Working current

Average：194.6mA @12V，

MAX：240mA @12V

Serial port

No.

2*serial port

Serial port 1: RS232/485 Serial port 2: RS485

Band rate

600~230400bps, user-defined baud rate is supported

Data bits

7, 8

Stop bits

1, 2

Parity

None, Even, Odd

IO interface

DI

2*DI, 0 - 2 V detected as logic low, 9 - 36 V detected as logic high

DO

2*Relays,

DC contacts rating @R(at resistive load)10A / 28V DC

AC contacts rating @R(at resistive load)10A / 277V AC,NO AC contacts rating @R(at resistive load)5A /250V AC, NC

AI

2 x Analog input 4-20mA

Physical characteristics

Dimension

79.6x 58 x110 (mm)

Housing

ABS housing, IP30 protection

Installation

Din rail mounting, wall mounting

Weight

<300g

Environment characteristics

Operating

temperature

-25℃ ~ +70℃

Storage temperature

-40℃ ~ +85℃

Operating humidity

5% to 95% non-condensing

EMC protection

ESD

IEC61000-4-2,Level 3,class B,contact 6KV,air 8KV

Surge

IEC61000-4-5,Level 3,class B

EFT

IEC61000-4-4,Level 3,class B

Indicator

POW

ON: Gateway is powered up

OFF: Gateway is not power up

WORK

When the device is working properly, it blinks for 1s frequency

NET

Blinking when the wan connects to internet

OFF when there is no network

DATA

Blinking when serial port is transmitting data

DO status

Light on, the channel output is activated

DI status

Light on, the channel is activated by input signal

Network

Cellular

LTE Cat4, Global Frequency

Ethernet

1*WAN/LAN + 1*LAN

10/100 Mbps, compliance IEEE 802.3, IEEE 802.3u standards, supports auto MDI/MDIX

Cellular

Frequency

TDD-LTE: B34/38/39/40/41

FDD-LTE: B1/2/3/4/5/7/8/12/13/18/19/20/25/26/28/66 WCDMA：B1/2/4/5/6/8/19

GSM/EDGE:B2/3/5/8

SIM

1*Micro SIM

Antenna

1*SMA-Female

WiFi(only -EW support)

WiFi standard

2.4G: IEEE 802.11b/g/n/ax

5.8G: IEEE802.11a/n/ac/ax

Wi-Fi security

WPA-PSK、WPA2-PSK、WPA3-PSK, TKIP、AES

Mode

STA

Transmission distance

Covering radius: 150 meters by line of sight.

Actual transmission distance depends on environment of the site.

GPS(Only -GL support)

Antenna Interface

1 * SMA-K

Accuracy

The theoretical value for positioning accuracy is 2.5 meters, this accuracy is

influenced by factors such as the number of available satellites.

Software

Network Protocols

ICMP,IPv4,IP,ARP,TCP,UDP,DHCP,DNS,HTTP,MQTT,SNMP

Acquisition Protocols

Mainstream PLC protocols, DLT645-2007, Modbus TCP, Modbus RTU, BACnet

TCP/IP

Reporting Protocols

Modbus RTU, Modbus TCP，OPC UA，Json，BACNET TCP/IP, BACnet MSTP,

IEC104, IEC61850, SL651, DNP3.0

Configuration method

Built-in webpage

Modbus Gateway

Modbus RTU/TCP protocol conversion

Data cache

2G

Linkage control

Supported. Data collection points, DI, and AI can be used as trigger and

executed by DO

IP Routing

Static routing

Firewall

√

NTP

√

VPN

PPTP, L2TP, OpenVPN

SNMP

√

Extended Modular

√

Others

Approvals

CE, FCC, ROHS,WEEE