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header-product InLine null modem cable DB9 female to DB9 female 3 m serial communication cable
10.49 €

InLine null modem cable DB9 female to DB9 female 3 m serial communication cable

InLine Null Modem Cable DB9 Female / Female 3m Photo 1
InLine Null Modem Cable DB9 Female / Female 3m Photo 2
InLine Null Modem Cable DB9 Female / Female 3m Photo 3
InLine Null Modem Cable DB9 Female / Female 3m Photo 1
InLine Null Modem Cable DB9 Female / Female 3m Photo 2
InLine Null Modem Cable DB9 Female / Female 3m Photo 3
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InLine null modem cable DB9 female to DB9 female 3 m serial communication cable

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Short description

InLine null modem serial cable featuring DB-9 female connectors on both ends. With a length of 3 meters, this cable is designed for serial data communication between computers, terminals, and legacy networking or industrial equipment. It ensures reliable signal transfer and features a clipped design for secure connections.
Available at price 10.49 €: 340 pcs.
Total available for order: 680 pcs.
Warranty: 2 Years
SKU: 1085952
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
26.11.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
01.12.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.14 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
01.12.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The InLine null modem cable DB9 female to DB9 female 3 m serial communication cable is designed for direct serial data transmission between two devices without requiring additional active components or adapters. This serial communication cable features DB-9 female connectors on both ends and a length of 3 meters, making it suitable for connecting computers, terminals, and legacy networking or industrial equipment. It incorporates a null modem configuration with crossed wiring to handle necessary signal crossovers directly. The cable includes secure locking and clipped connectors to ensure a firm mechanical hold and reduce the risk of accidental disconnection during operation, making it reliable for continuous use in professional and technical environments.

Advantages

The cable provides a reliable solution for direct device-to-device communication through standard COM ports. Its integrated null modem configuration eliminates the need for extra adapters or hardware components. The lockable and clipped DB-9 connectors ensure a stable, secure connection that minimizes accidental unplugging. Additionally, the integrated shielding helps reduce external electromagnetic interference, supporting stable data transmission across the 3-meter length.

Suitable for

  • Connecting computers and terminals via serial interfaces
  • Integrating legacy industrial equipment and networking hardware
  • Establishing direct communication over RS232, RS422, and RS485 interfaces
  • Data transfer setups requiring a 3-meter reach with null modem wiring

This cable is not suitable for connecting devices that require a straight-through serial cable pinout rather than a null modem crossover. It should not be used with modern consumer interfaces such as USB or HDMI without appropriate protocol converters, as it is strictly designed for serial communication.

Key specifications

  • Cable length: 3 m
  • Connector 1: DB-9 female
  • Connector 2: DB-9 female
  • Null modem pin configuration: 1-7+8, 2-3, 3-2, 4-6, 5-5, 6-4, 7+8-1, shield-to-shield
  • Design: Clipped and lockable connectors
  • Colour: Beige
  • Interface compatibility: RS232, RS422, RS485

How to use

To use the InLine null modem cable, ensure that both connected devices are powered off or placed in a safe state before plugging in the connectors. Align the DB-9 female connector with the serial port of the first device and push it in securely, engaging the locking mechanism if applicable. Connect the other end of the 3-meter cable to the DB-9 serial port of the second device. Once securely attached, power on the equipment and configure the terminal or communication software with the correct baud rate and port settings to begin data transfer.

What to consider before purchase

  • Verify that your hardware devices require a null modem pinout rather than a straight-through cable connection
  • Check that both devices are equipped with standard 9-pin DB-9 serial ports
  • Confirm that a 3-meter cable length is sufficient for the distance between your connected devices
  • Ensure compatibility with your specific interface type such as RS232, RS422, or RS485

Always verify the pin assignment requirements of your connected hardware before operation to ensure proper signal transmission and prevent communication errors. Secure the lockable connectors firmly to maintain a stable link in vibration-prone environments.

Specifications

Connector 1 gender: The gender of the first connector of the product. Each half of a pair of mating connectors is assigned the designation male or female, the part bearing one or which fits into another being called male.
Female
Connector 2 gender: The gender of the second connector of the product. Each half of a pair of mating connectors is assigned the designation male or female, the indented one or the one fitting around the other being called female.
Female
Connector 2: This is the second connector in the device.
DB-9
Connector 1: This is the first connector in the device.
DB-9
Cable length: How long the cable is.
3 m
All features

Packaging data

Package volume:
500 cm³
Package weight: Weight of the packaged product.
141 g
Package height: The distance from the top to the bottom of the packaging.
20 mm
Package depth: The distance from the front to the back of the packaging.
170 mm
Package width: The distance from one side of the packaging to the other.
155 mm

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.099 kg
Depth: The distance from the front to the back of something.
3000 mm

Features

Connector 1 gender: The gender of the first connector of the product. Each half of a pair of mating connectors is assigned the designation male or female, the part bearing one or which fits into another being called male.
Female
Connector 2 gender: The gender of the second connector of the product. Each half of a pair of mating connectors is assigned the designation male or female, the indented one or the one fitting around the other being called female.
Female
Connector 2: This is the second connector in the device.
DB-9
Connector 1: This is the first connector in the device.
DB-9
Product colour: The colour e.g. red, blue, green, black, white.
Beige
Cable length: How long the cable is.
3 m

Description

Machine translation.

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Stock data
Warehouse Stock Delivery to the store Store Price
WH357 340 26.11.2026 Best delivery
10.49 € Best price
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH109 340 10.12.2026
16.99 €
10.49 €
Stock: 340
Delivery Date: 26.11.2026 Best delivery
Warehouse: WH357
Available only for legal entities
16.99 €
Stock: 340
Delivery Date: 10.12.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the InLine Null Modem Cable DB9 Female / Female 3m cost, and is it available for purchase?

The price is 10.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 680 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 26.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All InLine products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized InLine service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connector 1 gender, connector 2 gender, connector 2, connector 1, cable length, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
warranty
14-Day Return Policy
We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008
AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.