# InLine Fiber Optical connector Simplex ST/ST multimode metal sleeve 89990B

**URL:** https://aio.lv/en/product--inline-89990b--3232192
**Data updated:** 2025-12-29 10:50 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** InLine
**Manufacturer code:** 89990B
**EAN:** 4043718194827
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-89990b--3232192

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The InLine Fiber Optical connector Simplex ST/ST is designed for multimode applications, featuring a durable metal sleeve. Connector 1 is an ST female, and Connector 2 is an ST male, ensuring reliable connections. The silver color adds a sleek look, while the robust construction guarantees long-lasting performance. Ideal for networking and data transmission, this connector is a reliable choice for fiber optic installations.

## Long description

The InLine Fiber Optical connector Simplex ST/ST multimode metal sleeve 89990B is a fiber coupling designed for multimode fibre optic connections. It features an ST female on one end and an ST male on the other, with a metal sleeve for enhanced durability and alignment. The connector is silver in colour and intended for networking and data-transmission applications where a simplex ST–ST join is required.
Advantages
The metal sleeve provides stable ferrule alignment and improved mechanical strength compared with plastic sleeves. The ST male–female configuration enables straightforward mating with standard ST connectors. Its multimode compatibility makes it suitable for short- to medium-range data links in local networks.
Suitable for
 Multimode fibre optic patching and extensions
 Local area network (LAN) installations
 Repair or adaptation of ST-terminated fibres
 Laboratory and test bench fibre connections
Key specifications
 Type: Simplex ST/ST fibre optic connector
 Mode: Multimode
 Sleeve material: Metal
 Connector 1: ST female
 Connector 2: ST male
 Colour: Silver
 Brand: InLine
 Manufacturer part number (MPN): 89990B
 EAN: 4043718194827
How to use
Ensure both fibre ends are clean and free of dust or debris before connecting. Insert the ST male connector into the ST female until the bayonet locks into place; verify optical alignment and secure the cable strain relief as required. For disconnection, depress the bayonet collar and rotate to release. Follow standard fibre handling and safety procedures to avoid contamination or damage.
Usage recommendations
Use appropriate fibre cleaning tools before mating and avoid excessive bending of the fibre near the connector. Store unused connectors in protective caps to prevent contamination of the ferrule.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Silver |
| Housing material | Metal |
| Connector 1 | ST female |
| Connector 2 | ST |
| Connector 1 gender | Female |
| Connector 2 gender | Female |

## FAQ

### How much does the InLine Fiber Optical connector Simplex ST/ST 89990B cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2190 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 29.06.2026 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. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for InLine Fiber Optical connector Simplex ST/ST 89990B?

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/3232192/64208257_large.webp