VIAVI Solutions, Inc. C37.94 SW Test Option Field Upgrade
The VIAVI C37.94 SW Test Option Field Upgrade (Part Number: C5C3794-U1) is an official software upgrade designed for VIAVI test instruments to enable C37.94 protocol testing capabilities. This field upgrade allows users to add C37.94 interface testing functionality to compatible VIAVI platforms, supporting commissioning, maintenance, and troubleshooting of teleprotection and substation communication links that use the C37.94 standard. The upgrade is delivered as a software license and is intended for field installation, providing flexibility for users to enhance their test equipment as operational needs evolve. This option ensures compliance with industry standards and supports reliable performance verification of C37.94 interfaces.