Null Modem Cable PREMIUMCORD R99Cross DB9

Name: Null Modem Cable PREMIUMCORD R99Cross r99cross
Brand: PREMIUMCORD
SKU: 3523897
Price: 4.99 EUR
Availability: InStock

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Null Modem Cable PREMIUMCORD R99Cross 9-pin D-sub male to female, crossed wiring

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Short description

Null modem cable PREMIUMCORD R99Cross with 9-pin D-sub (DB9) male to female connectors and crossed wiring. Designed to connect two serial devices by swapping transmit and receive lines for direct device-to-device communication. Suitable for legacy RS-232 equipment, industrial devices, modems and POS terminals. Provides a simple solution for serial data transfer and configuration tasks.

Available for order: 4 pcs.

Warranty: 2 Years

SKU: 3523897

Manufacturer: PREMIUMCORD

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2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 €

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Product information

Description

Null modem cable PREMIUMCORD R99Cross with 9-pin D-sub (DB9) male-to-female connectors and crossed wiring. The adapter changes connector wiring to swap transmit and receive lines, enabling direct serial communication between two devices without a modem. Compatible with RS-232 ports and two-row DB9 connectors.

Advantages

The PREMIUMCORD R99Cross offers a ready-made crossed (null modem) connection in a compact adapter format, simplifying setup when connecting two serial devices. Using standard 9-pin D-sub connectors ensures broad compatibility with legacy serial equipment and industrial devices. The male-to-female configuration allows easy insertion between existing cables or devices.

Suitable for

Connecting two RS-232 devices directly (PC-to-PC, terminal-to-terminal)
Configuring or communicating with industrial controllers and PLCs
Linking modems, POS terminals, and other legacy serial equipment

Key specifications

Type: Null modem adapter (crossed wiring)
Connectors: 9-pin D-sub (DB9) male to DB9 female
Wiring: Crossed (null modem) transmit/receive lines
Brand: PREMIUMCORD
MPN: r99cross
EAN: 8592220006495

How to use

Plug the DB9 male end into the female serial port of one device and connect the DB9 female end to the male serial plug of the other device or cable. The adapter swaps the transmit and receive signals so the two devices can exchange data directly. No additional configuration is required on the adapter itself; serial port settings (baud rate, parity, stop bits) should be set on the devices as needed.

Usage recommendations

Use this null modem adapter for short-distance serial connections and configuration tasks. Verify RS-232 voltage levels and pinouts of connected equipment before use. For long runs or where signal integrity is critical, consider using shielded cables or line drivers designed for extended distances.

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Customer questions

FAQ

How much does the Null Modem Cable PREMIUMCORD R99Cross DB9 cost, and is it available for purchase?

The price is 4.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 03.07.2026 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 PREMIUMCORD 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 PREMIUMCORD 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.

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