Run a 15-minute bit error rate test at 10G with the NOKIA ICS-15M-10GBERT BERT tester. Its stated function combines a fixed 15-minute test interval with 10G operation, making it applicable when a test plan calls for a defined error-measurement window rather than an open-ended observation period. BERT testing focuses on the integrity of a transmitted bit stream and the presence of errors detected during the test. Use a 10G BERT test when bringing up a transmission path, investigating intermittent errors, or completing a documented acceptance procedure. A bit error rate test checks whether the received data stream corresponds to the expected stream during the measurement interval. This provides an objective result for the tested path and helps isolate whether a suspected issue remains present under the selected test conditions. The defining characteristics of this hardware unit are explicit in its designation: 10G BERT capability and a 15-minute test duration. Those details matter when the required test rate and observation interval are already established by an operational procedure. Match the required 10G test function and 15-minute duration to the equipment and transmission path being evaluated before deployment.