# Analog Subscriber Module Unify SLAV4 4 a/b for OSBiz X3W/X5W

**URL:** https://aio.lv/en/product--unify-l30251-u600-a905--3706051
**Data updated:** 2025-12-29 13:46 (EET)
**Category:** Server Parts & Components
**Manufacturer:** Unify
**Manufacturer code:** L30251-U600-A905
**EAN:** 4050026030822
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 146.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 121.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unify-l30251-u600-a905--3706051

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.99 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Unify SLAV4 analog subscriber module provides four a/b analog ports for integration with OSBiz X3W/X5W systems. Designed to connect analog telephones or fax devices, it enables expansion of telephony capacity without replacing core hardware. Suitable for small office setups or branch deployments requiring additional PSTN/analog endpoints and straightforward installation.

## Long description

The Analog Subscriber Module Unify SLAV4 provides four a/b analog ports for use with OSBiz X3W and X5W systems. This plug-in expansion module allows integration of analog telephones and fax machines into existing Unify telephony platforms to increase the number of PSTN/analog endpoints without replacing the main system.
Advantages
The module installs as a plug-in expansion and supplies four independent a/b analog interfaces. It supports standard wired cabling and is compatible with OSBiz X3W and X5W platforms, enabling fast capacity expansion while keeping the existing telephony infrastructure intact.
Suitable for
 Small offices that need additional analog telephone ports
 Branch locations requiring connection of fax machines or legacy analog devices
 Environments where adding analog endpoints without replacing core hardware is required
Key specifications
 Brand: Unify
 Model: SLAV4 (MPN L30251-U600-A905)
 EAN: 4050026030822
 Form factor: Plug-in module
 Interfaces: 4 x a/b analog ports
 Connection: Wired cabling
 Compatible systems: OSBiz X3W, OSBiz X5W
How to use
Power down the OSBiz chassis, insert the SLAV4 plug-in module into the designated expansion slot, secure it according to the platform instructions and reconnect power. Configure the new analog ports in the system management interface to assign extensions or routing as needed. Connect analog telephones or fax devices to the a/b ports using standard PSTN wiring.
Usage recommendations
Install the module in a suitable OSBiz X3W/X5W slot and ensure firmware and system settings are up to date. Use standard shielded or unshielded twisted-pair cabling per site wiring practices and verify configuration in the telephony management console before placing devices into service.

## FAQ

### How much does the Unify SLAV4 Analog Subscriber Module 4 a/b cost, and is it available for purchase?

The price is 146.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 22.07.2026 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 Unify 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 Unify 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

https://aio.lv/img/cache/product/3706051/47557028_large.webp