# StarTech LOOPBACKMTPSM9125F Single Mode MPO/MTP Fiber Loopback Tester

**URL:** https://aio.lv/en/product--startech-loopbackmtpsm9125f--12474486
**Data updated:** 2026-05-18 09:31 (EEST)
**Category:** Network Cables
**Manufacturer:** StarTech
**Manufacturer code:** LOOPBACKMTPSM9125F
**EAN:** 0065030922661
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 83.99 €
**Prices and availability valid until:** 2026-07-09 23:59
**Price without VAT (21%):** 69.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-loopbackmtpsm9125f--12474486

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

The StarTech LOOPBACKMTPSM9125F is a professional single-mode MPO/MTP fiber loopback tester designed for efficient network testing and troubleshooting. This compact device facilitates loopback testing to verify the performance and connectivity of fiber optic links. Compliant with TAA, RoHS, and CE standards, it ensures reliable operation in data centers and enterprise network environments. Its durable design provides precise diagnostic capabilities for fiber infrastructure maintenance.

## Long description

The StarTech LOOPBACKMTPSM9125F is a professional-grade single-mode MPO/MTP fiber loopback tester engineered for precise network diagnostics and troubleshooting. This compact tool is essential for verifying the integrity and performance of fiber optic links within high-density data centers and enterprise network environments. By providing a reliable loopback signal, it allows technicians to quickly isolate connectivity issues and ensure that fiber infrastructure meets operational standards.
Advantages
This fiber loopback tester offers a highly efficient solution for testing MPO/MTP interfaces without the need for complex external equipment. Its durable construction ensures long-term reliability in demanding professional settings, while its compact form factor allows for easy handling and storage. The device is fully compliant with TAA, RoHS, and CE standards, guaranteeing that it meets rigorous quality and safety requirements for modern networking applications.
Suitable for
Data center network maintenance
Fiber optic link troubleshooting
Verification of MPO/MTP port connectivity
Enterprise network infrastructure testing
This device is not suitable for multi-mode fiber optic systems, as it is specifically designed for single-mode applications. It is also not intended for permanent network installation, as it serves strictly as a diagnostic tool for temporary testing purposes.
Key specifications
Product type: Fiber cable tester
Connector type: MPO/MTP
Fiber mode: Single-mode
Dimensions: 20 mm x 65 mm x 8 mm
Weight: 0.004 kg
Compliance: TAA, RoHS, CE
How to use
To use the loopback tester, simply insert the MPO/MTP connector into the corresponding port on your network equipment or patch panel. Once connected, the device creates a loopback signal that allows your diagnostic software or hardware to verify the link status and signal integrity. After the testing process is complete, carefully remove the device from the port to restore normal network operations.
What to consider before purchase
Ensure your network equipment utilizes single-mode MPO/MTP connectors.
Verify that your testing requirements align with loopback diagnostic methods.
Check compatibility with existing fiber optic infrastructure.
Usage recommendations
Always inspect the fiber connectors for dust or debris before insertion to prevent signal loss or damage to the equipment ports. Store the device in a clean, dry environment when not in use to maintain its diagnostic accuracy.

## Specifications

| Feature | Value |
|---|---|
| Housing material | Acrylonitrile butadiene styrene (ABS) |
| Fiber mode structure | Single-mode |
| Built-in display | No |
| Test type | Loopback testing |
| Supported connectors | MPO/MTP |
| Fibre optic type | OS1/OS2 |

### Features

| Feature | Value |
|---|---|
| Product colour | Green, Black |
| Connector gender | Female |

### Other features

| Feature | Value |
|---|---|
| Product type | Fiber cable tester |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.004 kg |
| Height | 8 mm |
| Width | 20 mm |
| Depth | 65 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 75 |
| Operating temperature (T-T) | -40 - 75 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 7 g |
| Package depth | 90 mm |
| Package height | 5 mm |
| Package width | 120 mm |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 400 mm |
| Master (outer) case width | 430 mm |
| Master (outer) case length | 335 mm |
| Products per master (outer) case | 1000 pc(s) |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | Trade Agreements Act (TAA), RoHS, CE |

## FAQ

### How much does the StarTech LOOPBACKMTPSM9125F Fiber Cable Tester cost, and is it available for purchase?

The price is 83.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 25.06.2026 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: Cash payment, 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 StarTech 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 StarTech 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: weight, 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.

## Image

https://aio.lv/img/cache/product/12474486/68793276_large.webp