Aastra ROF1376303/1 – DC/DC MX-One Board

Overview – Aastra ROF1376303/1 – DC/DC MX-One Board

The Aastra ROF1376303/1 – DC/DC MX-One Board is a dedicated power supply and DC/DC conversion board intended for Aastra MX-ONE telephony systems and compatible Ericsson/Mitel implementations. Featuring a robust design and genuine build quality, this board converts and regulates internal DC power (48VDC) to support telephony system operation, ensuring stable supply to core modules. 

This board is typically used inside MX-One Lite (3U chassis) and similar subrack modules as part of the internal power architecture. 

The product is supplied by Aastra/Ericsson, manufactured in Germany, and includes a 1-year warranty to guarantee performance and reliability in professional telephony environments (configured PBX, enterprise phone systems, and related VoIP infrastructure). 

Key Features

• Part Number: ROF1376303/1

• Product Type: DC/DC Power Supply Board

• Compatibility: Aastra MX-ONE telephony systems (MX-ONE Lite / Slim / Classic series) 

• Input/Output: 48VDC power conversion for internal telephony modules

• Manufacturer: Aastra / Ericsson (OEM component) 

• Manufactured In: Germany

• Warranty: 1 Year (standard)

• Application: Power distribution and DC conversion for PBX system boards

Industrial Applications

The Aastra DC/DC MX-One Board ROF1376303/1 is used within enterprise telephony systems where reliable and continuous power supply is essential, such as:

• Corporate PBX installations

• Large office telephone exchanges

• Call centers and unified communications platforms

• Industrial or campus telephony systems

• Systems requiring redundancy and high availability power modules

This board ensures stable DC supply to MX-ONE components, enabling uninterrupted communication and system uptime.

FAQ

What is the Aastra ROF1376303/1 – DC/DC MX-One Board?

It is a 48VDC DC/DC power supply card designed for use within Aastra MX-ONE telephony systems to convert and regulate internal DC power. 

Is this board compatible with all MX-ONE systems?

Yes — ROF1376303/1 fits multiple MX-ONE platforms including MX-ONE Lite and compatible Ericsson/Mitel boards. 

Where is this board manufactured?

The board is manufactured in Germany by Aastra / Ericsson. 

What warranty comes with this product?

Standard 1 year warranty is included.

Call to Action

Upgrade or service your Aastra MX-ONE telephony system with the genuine Aastra DC/DC MX-One Board ROF1376303/1 — contact Seven Star LLC for pricing, compatibility checks, and expert support.