DYMEC Ethernet embedded modules are designed for device manufacturers who want to enhance the performance and reliability of their solutions and want to make them suitable for use in applications with harsh conditions. All DYMEC SFP’s include built in diagnostics. None of our products are coded to a specific manufacturer. We will provide manufacturer coded SFP’s upon request. Note: the coding of SFP’s by OEM manufacturers constitutes illegal anti-competitive behavior.  5 Year Warranty