# SFP Transceiver OEM J8177C X121 1G RJ45 Ethernet module

**URL:** https://aio.lv/en/product--oem-j8177coem--4267291
**Data updated:** 2025-12-29 15:55 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** OEM
**Manufacturer code:** J8177C\_OEM
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 31.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 26.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-j8177coem--4267291

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

SFP Transceiver OEM J8177C X121 is a 1G RJ45 Ethernet SFP module designed for compact network ports that require copper connectivity. It provides 1 Gigabit/s Ethernet over twisted-pair copper via an RJ45 connector and fits standard SFP slots. Suitable for switches, routers and media converters where space-saving, hot-swappable copper uplinks are needed.

## Long description

SFP Transceiver OEM J8177C X121 is a compact 1.25 Gbps SFP module that provides 1000BASE-T Ethernet over UTP Cat5 copper cabling via an RJ-45 connector. Designed for standard SFP slots, it operates from 0 to 70°C, uses a 3.3 V supply and is compatible with HP equipment, offering a 100 m reach on suitable copper cabling.
Advantages
The module delivers gigabit copper connectivity in a small, hot-pluggable SFP form factor, enabling space-saving uplinks and easy replacement without powering down equipment. Compatibility with HP devices and standard RJ-45 interfaces simplifies integration into existing network hardware. Low-voltage 3.3 V operation and support for UTP Cat5 cable up to 100 m make it suitable for typical LAN installations.
Suitable for
Switch uplinks where SFP copper ports are required
Routers and media converters needing 1 G RJ-45 interfaces
Data center and enterprise networks with Cat5/Cat5e copper runs up to 100 m
Key specifications
Form factor: SFP (1.25 Gbps)
Standard: 1000BASE-T
Connector: RJ-45
Cable type: UTP Cat5 (up to 100 m)
Operating temperature: 0 to 70 °C
Supply voltage: 3.3 V
Manufacturer part / model: J8177C\_OEM (X121)
How to use
Insert the SFP Transceiver OEM J8177C X121 into an empty SFP slot on a compatible switch, router or media converter until it clicks into place. Connect an RJ-45 terminated UTP Cat5/Cat5e cable to the module and the remote device. Ensure the host device supports SFP copper modules and is configured for a 1 G link. Monitor link LEDs or management interfaces to confirm link establishment.
Usage recommendations
Use high-quality UTP Cat5 or better cabling and keep copper runs within 100 m. Verify device firmware and compatibility lists for HP interoperability. Handle the module by its housing and avoid touching electrical contacts to prevent damage.

## FAQ

### How much does the SFP Transceiver J8177C X121 1G RJ45 cost, and is it available for purchase?

The price is 31.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 02.07.2026 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 OEM 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 OEM 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

## Image

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