The ADTRAN 1200.074L1 Network Interface Card Module is a plug‑in NIC module designed for ADTRAN 1200‑series systems, expanding the unit’s network interface capabilities. It is identified by NDNTKC01AA and described as ISU 2X64 RM‑U. This module integrates with compatible ADTRAN hardware to provide additional interface options within the 1200‑series architecture.
