Omega OMG-USB-SER-4 manual Technical Description, Features, RS-232 DB-9 Male

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Technical

Technical Description

The OMG-USB-SER-4utilizes four USB UARTs. These chips feature programmable baud rate, data format, 128 byte Dual Port TX Buffer, and 384 byte Dual Port RX Buffer. The RS-232/422/485 transceiver supports data rates up to 921.6K baud for RS-422/485 and 460.8K baud for RS-232.

Features

∙Hot pluggable device that does not require opening the case

∙No system resources are required (i.e. I/O ports or IRQ’s)

∙LED status indicators for USB Enabled and port activity

Connector Pin Assignments

 

 

 

 

 

RS-422/485

(DB 9 Male)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal

 

 

Name

 

Pin #

 

Mode

 

GND

 

 

Ground

5

 

 

 

 

TX +

 

 

Transmit Data Positive

4

 

Output

 

TX-

 

 

Transmit Data Negative

3

 

Output

 

RTS+

 

 

Request To Send Positive

6

 

Output

 

RTS-

 

 

Request To Send Negative

7

 

Output

 

RX+

 

 

Receive Data Positive

1

 

Input

 

RX-

 

 

Receive Data Negative

2

 

Input

 

CTS+

 

 

Clear To Send Positive

9

 

Input

 

CTS-

 

 

Clear To Send Negative

8

 

Input

RS-232

(DB-9 Male)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal

 

 

Name

 

Pin #

 

Mode

 

 

GND

 

 

Ground

 

5

 

 

 

 

TX

 

 

Transmit Data

 

3

 

Output

 

 

RTS

 

 

Request To Send

 

7

 

Output

 

 

DTR

 

 

Data Terminal Ready

 

4

 

Output

 

 

RX

 

 

Receive Data

 

2

 

Input

 

 

CTS

 

 

Clear To Send

 

8

 

Input

 

 

DSR

 

 

Data Set Ready

 

6

 

Input

 

 

DCD

 

 

Data Carrier Detect

 

1

 

Input

 

 

RI

 

 

Ring Indicator

 

9

 

Input

 

OMG-USB-SER-4

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Contents User’sGuide Canada MexicoBenelux Czech RepublicContents Figures Introduction OverviewWhat’s Included Installation Operating System InstallationSystem Installation OMG-USB-SER-4 Configuration Original configurationElectrical Interface Selection SW2 Switch Examples SW3Electrical Interface Configuration Features Connector Pin Assignments RS-422/485 DB 9 MaleTechnical Description RS-232 DB-9 MaleSpecifications Appendix a Troubleshooting Appendix B How To Get Assistance Appendix C Electrical Interface RS-232RS-422 RS-485 Asynchronous Communications Bit Diagram Appendix D Asynchronous CommunicationsAppendix E Compliance Notices Federal Communications Commission StatementCanadian Radio Interference Regulations EN60950 IEC950 ‘Safety EMC Directive StatementWARRANTY/DISCLAIMER Temperature

Four Port RS-232/422/485 to USB Adaptor, OMG-USB-SER-4 specifications

The Omega OMG-USB-SER-4 is an advanced four-port RS-232/422/485 to USB adapter designed for seamless communication between legacy serial devices and modern computers. This versatile device caters to the growing need for increased connectivity, making it an ideal solution for industrial control, data acquisition, and other applications requiring multiple serial connections.

One of the main features of the OMG-USB-SER-4 is its ability to accommodate various serial communication protocols, including RS-232, RS-422, and RS-485. This flexibility enables users to connect a wide array of devices such as sensors, PLCs, and data loggers without worrying about compatibility issues. Furthermore, the adapter supports full-duplex communication, making it possible to transmit and receive data simultaneously on each port, enhancing overall efficiency.

The OMG-USB-SER-4 is built with robust technology that ensures reliable performance and durability. It supports a data transfer rate of up to 921.6 Kbps, allowing for fast and efficient data handling. Additionally, with its plug-and-play functionality, the device can be easily integrated into existing systems without requiring complex configurations or additional drivers, facilitating a hassle-free installation process.

In terms of characteristics, the OMG-USB-SER-4 features LED indicators for power and activity status, providing users with real-time feedback on the operational state of the device. The unit also includes built-in surge protection, safeguarding connected devices from voltage spikes and electrical noise, which is crucial for maintaining system integrity in industrial settings.

The compact design of the OMG-USB-SER-4 further enhances its appeal, as it allows for easy deployment in space-constrained environments. The device is USB-powered, eliminating the need for an external power supply, making it convenient for mobile or temporary setups.

In conclusion, the Omega OMG-USB-SER-4 four-port RS-232/422/485 to USB adapter combines versatility, speed, and ease of use, making it an excellent choice for professionals looking to bridge the gap between legacy serial devices and modern computing systems. Its robust features, coupled with reliable technology, ensure that it meets the demands of various industrial applications while maintaining user-friendly operation.
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