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Network & Cable Testers
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  5. OONO RS232 Breakout…
OONO

OONO RS232 Breakout Tester LED Monitor, DB9 Male to Female | Serial Data Link Test Device

OONO RS232 Breakout Tester LED Monitor, DB9 Male to Female | Serial Data Link Test Device - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹3,850₹6,110

You save ₹2,260 (37%)

37% off the seller list price

Qty
OONO RS232 Breakout Tester LED Monitor, DB9 Male to Female | Serial Data Link Test Device — DB9 MF
DB9 MF
₹3,850
₹6,110
In Stock
OONO RS232 Breakout Tester LED Monitor, DB9 Male to Female | Serial Data Link Test Device — (BLACK) or (WHITE)
(BLACK) or (WHITE)
₹5,910
₹8,920
In Stock

Estimated doorstep delivery by 2 Nov - 4 Nov from USA

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Sourced from US retailers
Sourced from US retailers
Factory-Sealed
Factory-Sealed
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All Duties Included
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GST Invoice Issued
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14-Day Smile Guarantee
14-Day Smile Guarantee

Reliable Serial Link Testing at Cost-Effective Price

About this item

The OONO RS232 Breakout Tester is a professional-grade device designed for quick and reliable testing of serial RS-232 data links. It connects in series with any RS-232 interface, providing real-time status via 8 double-color LEDs, indicating logic HIGH or LOW for all 8 signals. Its plug-and-play design requires no external power or drivers, making it ideal for technicians and engineers in India who need fast diagnostics without complex setup.

The device supports Windows, Linux, and Mac OS, ensuring compatibility across various systems. Its DIP switch allows setting disconnect or reconnect signals, and external probe support enables testing from male or female connectors. Typical applications include verifying wiring correctness, data transfer direction, device type (DTE/DCE), and control signal activity, helping troubleshoot serial communication issues efficiently.

Imported from USA, this tester offers a reliable, durable solution for industrial and scientific environments in India. Its compact design and easy screw-on jack sockets facilitate seamless integration with existing equipment. Delivered in 12-14 days, with duties included, it is a cost-effective tool for serial communication testing in Indian labs, factories, and repair shops.

Key Features

  • Connect in series with any RS-232 interface for testing a serial RS-232 data link. Simple and easy, no oscilloscope is needed. DIP switch can setting disconnect or reconnect any signal, and support external probe test signal from male or female position.
  • 8 double-color (red and green) LEDs indicate the logic states for respective data lines. Green for logic HIGH and red for logic LOW. Full RS232 spec compliant with LEDs for all 8 signals: DCD, RXD, TXD, DTR, DSR, RTS, CTS, RI.
  • No external power required. No driver required. Plug and play. Jack sockets(nuts) on the tester can be unscrewed easily(with metal shell held in place) if needed to mate with another connector that has jack sockets.
  • OS Compatibility: Windows 98, Me, XP, 2000, 2003, CE, Vista, Windows 7, and Windows 8 as well as Linux and Mac OS 10.X, ect.

Why choose this product

Reliable USA-Imported Quality

OONO RS232 Breakout Tester is sourced directly from US manufacturers, ensuring high-quality components and full RS-232 compliance. Its LED indicators provide clear, immediate status updates, reducing troubleshooting time for Indian technicians. The device's plug-and-play design eliminates the need for external power or drivers, making it suitable for on-site diagnostics and quick repairs.

Ideal for Professional and Hobbyist Use

Designed for engineers, technicians, and electronics hobbyists in India, this tester verifies wiring, device type, and control signals efficiently. Its compatibility with Windows, Linux, and Mac OS ensures broad usability. Skip it if you require advanced oscilloscope features or testing beyond serial data link verification.

How to use

  • Connect the device — Plug the RS-232 connector into your device's serial port, ensuring correct orientation. Use external probes if testing from female connectors.
  • Observe LED signals — Check the 8 double-color LEDs for logic HIGH (green) or LOW (red). Confirm wiring correctness or device activity based on LED states.
  • Adjust DIP switch — Set disconnect or reconnect signals as needed for your testing scenario. No external power or drivers required.

Example scenarios

Typical situations where OONO RS232 Breakout Tester LED Monitor helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

An electronics technician in Mumbai needs to verify serial port wiring for a custom industrial machine.

How this product helps

Using the OONO RS232 Breakout Tester, they confirm correct wiring and device type within minutes, saving time and avoiding costly errors.

2
Scenario 2
Illustrative example
Where it helps

A factory engineer in Delhi tests control signals between automation systems and projectors.

How this product helps

The tester's LED indicators reveal signal activity instantly, ensuring proper communication setup without complex equipment, with delivery in 12-14 days.

Technical specifications

Setup & usage

Connection TypeSeries RS-232 interface
Recomm. UseSerial link testing, wiring verification, device type detection
Reapplication math8 LEDs, continuous status, no consumables
Shelf LifeNot applicable
CompatibilityRS-232 serial communication devices

Warranty

CrowCrowCrow helps you bring this product to India. Any warranty is offered by OONOunder its own policy.

Read more

How we compare

FeatureOONO RS232 BreakoutOthers
Build QualityFull RS-232 spec compliance, durable components, sourced from US manufacturersVaries by brand, often lower build quality, limited compliance
LED Indicators8 double-color LEDs for clear logic state indication, immediate troubleshootingFewer LEDs or single-color, less intuitive signals
CompatibilitySupports Windows, Linux, Mac OS, plug-and-play, no driversLimited OS support, driver issues common
Price per unit₹3,850 per pieceVaries, typically ₹2000-₹3000 for similar quality

Product details

SKUauu9710
GTIN6937902391216
BrandOONO
Model NumberOONO-F1023
Connector TypeDB9 Male to Female
LED Indicators8 double-color LEDs
Supported OSWindows 98/Me/XP/2000/2003, CE, Vista, 7, 8, Linux, Mac OS 10.X

About OONO

OONO specializes in professional electronic testing tools, ensuring high-quality, US-imported components for reliable diagnostics in India.

Compliance & Legal

No specific safety or regulatory claims; device complies with standard serial communication testing requirements; no certifications required.

Customer Reviews

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FAQ, See What Others Asked

What is the OONO RS232 Breakout Tester used for?
The OONO RS232 Breakout Tester is designed for quick testing of serial RS-232 data links. It verifies wiring correctness, data transfer direction, and control signals, supporting Windows, Linux, and Mac OS systems. Ideal for technicians in India needing reliable diagnostics without complex setup.
Is this RS232 tester compatible with Windows 10?
Yes, the OONO RS232 Breakout Tester supports Windows 98 through Windows 8, including Windows 10, as well as Linux and Mac OS, ensuring broad compatibility for Indian users.
Can I test signals from female connectors?
Yes, the device supports external probe testing from male or female positions, making it versatile for various serial connection scenarios in Indian industrial environments.
How does the LED indicator help in troubleshooting?
The 8 double-color LEDs display real-time logic HIGH or LOW states for each data line, allowing technicians to quickly identify wiring issues, signal activity, and device status without additional tools.
What is the delivery time for this product in India?
The product arrives in 12-14 days with all duties included, shipped via ExpressBox tracked service, ensuring fast and reliable delivery across India.

Frequently bought together

OONO RS232 Breakout Tester LED Monitor, DB9 Male to Female | Serial Data Link Test Device

This item:

OONO RS232 Breakout Tester LED Monitor, DB9 Male to Female | Serial Data Link Test Device

₹3,850

OONO RS232 Breakout Tester LED Monitor, DB9 Male to Female | Serial Data Link Test Device

This item

OONO RS232 Breakout Tester LED Monitor, DB9 Male to Female | Serial Data Link Test Device

₹3,850

Total price:

₹18,610

You save ₹10,920 (37%) Extra

3 items selected

3 items

₹18,610

You save ₹10,920 (37%) Extra

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Spec
Price
₹3,850
₹6,110
₹12,300
₹17,340
₹2,460
₹6,080
₹2,470
₹3,810
₹5,910
₹8,920
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Brand NameOONOKLEIN TOOLSCruiserOFCNOONOQuartetuxcell
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹3,850₹6,110

You Save ₹2,260

Estimated doorstep delivery by 2 Nov - 4 Nov from USA
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Tracked from USA · duties included
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Your Order Journey: From Purchase to Doorstep

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Place your order
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Packed & shipped
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Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
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You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

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₹11,550+ (3× the price)
₹3,850 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
4–12 weeks · No tracking
12-14 days · live tracking
Grey market, no guarantee, no protection, no refund
Sourced from US retailers, India-verified, return available
Lost in transit = ₹0 back
Full protection included