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What is AT command and How to Use the AT Command?

What is AT command and How to Use the AT Command?

1.What is the AT command?AT command is used for controlling module. You can use AT command to configure and query the settings. 2.How to use the AT command?For US

Quick Start Guide of Serial to Ethernet Converter USR-N510

Quick Start Guide of Serial to Ethernet Converter USR-N510

Ethernet TO RS232/422/485 Serial Converter USR-N510 1. Hardware Installation Use a standard Ethernet cable to connect the USR- N510 to an Ethernet router or connect it directly to a PC. RS-232/422/485 can connect with a PC or other serial port device by serial cables.

Industrial Modem USR-G781 of USRIOT

Industrial Modem USR-G781 of USRIOT

Industrial modem developed by USRIOT conforms to the industrial grade design with complete functions and stable transmission. Its star product USR-G781 has a high repurchase rate and is highly praised by new and old customers. It is widely used in environmental protection, water conservancy, meteorological industry; industrial control; special environment, oil and gas, heating industry.

What is 5G?

What is 5G?

"5G" actually refers to an industry standard, namely "the fifth generation mobile communication technology standard".

GPRS Module Room Monitoring Application Case

GPRS Module Room Monitoring Application Case

GPRS module room monitoring application caseFor many enterprises and institutions, there are more than one computer room, the nodes are distributed relatively m

Serial Device Server Can not Connect to the Server As a Client

Serial Device Server Can not Connect to the Server As a Client

Serial Device Server Can not Connect to the Server As a Client, First check if multiple network cards or firewalls are turned on.

Connection Problem of Serial Device Server

Connection Problem of Serial Device Server

After the connection is established, the device sends unknown characters to the server. Reasons: Maybe use Telnet to use Telnet protocol (This phenomenon will only exist in the old firmware, which is the firmware version <2008, this problem does not exist in 2008 and later firmware.)

Dropout and Re-connection Problems of Serial Device Server

Dropout and Re-connection Problems of Serial Device Server

The serial device server has dropout and re-connection problems every once in a while:

The Difference between GSM and GPRS

The Difference between GSM and GPRS

1.GSM is the abbreviation of Global System for Mobile Communications.2.GPRS is the abbreviation of General Packet Radio Service.3.GPRS is a packet data bearer a

Serial Device Server Cross-Network Segment

Serial Device Server Cross-Network Segment

If the IP of the device is not in a network segment with the communicating PC, and it is directly connected to the network cable, or is under the same sub-router, then the two cannot communicate at all. For example, device’s IP: 192.168.1.66 sub network mask: 255.255.255.0 PC’s IP: 192.168.0.161 sub network mask: 255.255.255.0