MOXA CP-104EL PCIe serial adapter 4× RS-232

Name: Serial adapter MOXA CP-104EL PCIe CP-104EL
Brand: MOXA
SKU: 434326
Price: 319.99 EUR
Availability: InStock

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Serial adapter MOXA CP-104EL PCIe low profile, 4× RS-232 ports

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Offer for legal entity, cashless payment. Why is an item available only for a legal entity?
This is due to long delivery times and limited product warranties.

Short description

MOXA CP-104EL is a PCIe low profile serial adapter providing four RS-232 ports for connecting legacy serial devices to modern systems. Designed for industrial and embedded applications, it installs in a PCIe slot and supplies reliable serial communication for devices such as modems, instruments, barcode scanners and CNC controllers. Useful where multiple RS-232 interfaces are required.

Available for order: 4 pcs.

Warranty: 2 Years

SKU: 434326

Manufacturer: MOXA

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

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From 4.99 € (Weight: 1.54 kg)

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From 1.99 €

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Product information

Description

The MOXA CP-104EL PCIe low profile serial adapter provides four RS-232 ports for connecting legacy serial devices to modern systems. Designed for industrial and embedded applications, this card installs in a PCIe slot and enables reliable serial communication with devices such as modems, laboratory instruments, barcode scanners and CNC controllers. The CP-104EL is intended for use where multiple RS-232 interfaces are required in compact PCs, industrial workstations or embedded systems.

Advantages

The CP-104EL offers stable RS-232 connectivity across four independent ports, allowing simultaneous connection of multiple serial devices. Its low profile PCIe form factor makes it suitable for small or space-constrained systems while maintaining standard serial signaling and control lines. Built for industrial and embedded environments, the adapter supports straightforward installation in a PCIe slot and interoperates with software and drivers that communicate over COM-style serial interfaces.

Suitable for

Connecting modems and serial modems to modern PCs
Interfacing laboratory instruments and measurement equipment
Integrating barcode scanners and point-of-sale peripherals
Controlling CNC machines, PLCs and industrial controllers
Adding multiple COM ports to embedded or compact systems

Key specifications

Interface: PCI Express (low profile card)
Number of serial ports: 4
Serial standard: RS-232
Form factor: low profile for space-constrained chassis
Intended use: industrial and embedded serial communications

How to use

Install the CP-104EL into an available PCIe slot on a powered-off system, securing the card in the chassis according to the host computer’s instructions. After booting, install any required drivers provided by the system or MOXA to enable operating system recognition of the COM ports. Connect serial devices to the RS-232 ports using appropriate DB9 or cable adapters as required by the peripheral. Configure baud rate, parity, data bits and flow control in the host application or operating system serial settings to match the connected device.

Usage recommendations

Use shielded serial cables and proper grounding when deploying the adapter in electrically noisy or industrial environments. Verify driver compatibility with your operating system and update firmware or drivers from the manufacturer when necessary to ensure stable communication. For space-limited systems, confirm available PCIe slot type and clearance before installation.

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Customer questions

FAQ

How much does the MOXA CP-104EL PCIe serial adapter 4× RS-232 cost, and is it available for purchase?

The price is 319.99 € (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 20.07.2026 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. 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 MOXA 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 MOXA 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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