Netvanta 3430 2ND Gen Access Router

this video illustrates how to troubleshoot t1 errors and alarms on an AOS router t1 errors often cause sluggish throughput and network downtime when an end user notices poor performance the first step is often to contact the t1 service provider to verify the t1 is functioning properly typically the provider will conduct the test from the closest central office to the customer they will loop up the on-site smart jack also called aniu which serves as the point of demarcation that defines what is the t1 service providers responsibility and what is the customers responsibility once the smart jack is looped up the t1 service provider will run a test pattern to it if this test reports errors the provider will address the issue is the problem lies on their side of the D mark if the test runs error-free they will attempt to loop up the customer own CSU and repeat the test if errors are present