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Overview

2X USB to RS485/RS232 Communication Module Bidirectional Half-Duplex Serial Line Converter Communication Module

2X USB to RS485/RS232 Communication Module Bidirectional Half-Duplex Serial Line Converter Communication Module

Model: 4791498084240
Web Code: 20176955
Sold and shipped by | 3.2 seller rating (5 reviews)

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Warranty Information

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

RS485/RS232 interface:

Interface form: terminal block

Interface pins: GND, A+ (TXD), B- (RXD)

Direction control: hardware automatically determines and controls the direction of data transmission

Interface protection: Provides 600w surge and 15KV electrostatic protection (onboard 120R balanced resistor)

Transmission distance: RS485 (about 1200 meters), RS232 (about 10 meters) at low speed

Transmission mode: point-to-multiple (up to 32 nodes, it is recommended to add a repeater RS232 for more than 16 nodes (one point-to-point interface can only connect one device, if multiple devices need to be connected, a repeater is required)

Indicator light:

PWR: Power indicator light, when connected to USB, the light will turn on when voltage is detected.

TXD: Transmit indicator light, the light turns on when data is sent from the USB port.

RXD: Receiving indicator, lights up when the USB interface receives data.

USB to RS485/RS232 interface

GND: Peripheral connection GND

A+TXD: RS485 connects to A, RS232 connects to RXD

B-RXD: RS485 connects to B, RS232 connects to TXD

Colour:Black

Material:plastics

Different batches have slightly different labels, which does not affect the use

Package Contents:

2x module

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

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Product Category
Computer accessories
Return/Exchange Period
30 days
Condition
Opened