# DeLOCK 87729 Serial Switch Box Wired

**URL:** https://aio.lv/en/product--delock-87729--1094463
**Data updated:** 2025-12-29 05:40 (EET)
**Category:** Network Switches
**Manufacturer:** DELOCK
**Manufacturer code:** 87729
**EAN:** 4043619877294
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delock-87729--1094463

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

The DeLOCK 87729 is a practical serial switch box that allows easy connection and switching of serial devices. The model is designed for wired connections and provides stable and fast data transmission. Product parameters: 1. Connection type: Wired 2. Model number: 87729 3. Compatibility: Supports standard serial protocols.

## Long description

The DeLOCK 87729 Serial Switch Box Wired is a manual bidirectional switch for RS-232, RS-422 and RS-485 interfaces. It enables a physical connection and manual selection between serial devices, providing a simple solution for switching wired serial lines. The unit is designed for standard serial protocols and comes in a black and grey housing.
Advantages
The switch supports RS-232, RS-422 and RS-485 standards and allows stable wired data transmission between connected devices. Its manual bidirectional mechanism enables quick switching without software configuration. The compact design and standard connectors make it compatible with a wide range of serial equipment.
Suitable for
Connecting two serial devices (e.g. computer and modem) to a single RS-232/RS-422/RS-485 port
Connecting one device to two different serial lines for alternate use
Industrial control systems, legacy equipment interfaces and diagnostic setups
Key specifications
Model: 87729
Supported interfaces: RS-232, RS-422, RS-485
Connection type: Wired
Brand: DELOCK
MPN: 87729
EAN: 4043619877294
Colour: Black, Grey
How to use
Connect the serial cables from the devices to the corresponding ports on the switch. For the first application, connect two devices to the two input ports and use the manual switch to select which device is connected to the single output port. For the second application, connect one device to the output and two serial lines to the inputs, then move the switch to select the active line. No software or drivers are required; switching is performed manually on the hardware.
Usage recommendations
Use appropriate shielded serial cables and ensure correct wiring for the chosen protocol (RS-232, RS-422 or RS-485). Power off devices when changing connections if recommended by the device manufacturers, and verify signal ground and termination requirements in longer-distance RS-422/RS-485 installations.

## Specifications

| Feature | Value |
|---|---|
| Length | 112 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 30 mm |
| Width | 71 mm |

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |

### Other features

| Feature | Value |
|---|---|
| Material | Plastic |
| Connectivity technology | Wired |
| Output connections | 1 x serial RS-232/422/485 DB9 male
1 x serial RS-232/422/485 DB9 female
1 x serial RS-232/422/485 DB9 female |

### Design

| Feature | Value |
|---|---|
| Product colour | Black, Grey |

## FAQ

### How much does the DeLOCK 87729 - Serial Switch Box Wired cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 812 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 Thursday 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 DELOCK 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 DELOCK 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, 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.

### Where can I download the instructions for DeLOCK 87729 - Serial Switch Box Wired?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1094463/54753013_large.webp