ADTRAN Total Access 5000 Manual Online: Disable Unused Netvanta 838 The NetVanta 838 declares alarms for all unused interfaces (SHDSL, EFM,A Metro-Ethernet Forum (MEF) compliant, EFM bonded NTU designed for cost-effective deployment of voice and data services to small and medium size ADTRAN NetVanta 838 • User guide • Download PDF for free and without registration! The NetVanta® 838T is a Carrier Ethernet. Network Termination Unit (NTU) that terminates up to eight e.SHDSL copper pairs. Four 10/100 Ethernet ports are The NetVanta 838T SHDSL Ethernet in the First Mile (EFM) is a. Metro-Ethernet If damage is noted, file a claim with the carrier and then contact ADTRAN. For. International NetVanta 838 Carrier Ethernet Network Termination Ethernet is the undisputed, global choice for Metro Access Networks (MANs) and Local Access User manual for the device ADTRAN NetVanta 838. Online user manual database. Netvanta 838, Product features, Carrier ethernet network termination • Read online or download PDF • ADTRAN NetVanta 838 User Manual. Manual for NetVanta 834T, NetVanta 838T, made by Adtran International, Inc (Adtran International, Inc)