TheDSTC 406 (57520001-DX)is a passive Module Termination Unit (MTU) manufactured by ABB for the legacy Advant Master DCS and MasterPiece automation architectures. Classified under the "Classic" long-lifecycle series, this specialized component is required to work in direct configuration with theDSTC 452communication modem.
Technical Specifications
Manufacturer: ABB
Product Line / System: Advant Master DCS / MasterPiece Network
Model Designation:DSTC 406(Cross-references legacy framework code block DTC 406)
Functional Pairing: Used exclusively in conjunction with the DSTC 452 modem
Application Topology: Installs on the Short Distance Bus (SDB) side as a "final" node termination
Quantity Rule: 1 unit required per final modem connection line
Harmonized System Code (HS Code): 853890 (Parts for Industrial Control Apparatus)
Customs Tariff Designation: 85389091
WEEE Management Directive: Business-To-Business (Category 5: Small Equipment under 50 cm)
Environmental Standards Compliance: Following EU Directive 2011/65/EU (RoHS Compliant)
Onboard Battery Backups: 0
Product Net Weight: Ultra-lightweight 0.025 Kg
Product Dimensions (W x H x D): 60 mm x 35 mm x 272 mm
Industrial Application Scenarios
TheDSTC 406 (57520001-DX)is installed in data highway cabinets, link panels, and processing hubs within heavy industrial installations like paper processing mills, maritime cargo carriers, water distribution plants, and power grid facilities running legacy Advant Master controllers. In these plants, sub-racks communicate across distances via the Short Distance Bus. Without correct termination, high-frequency electrical signals hit the physical end of the copper cable and reflect back down the line, corrupting system data packets. Placing this passive module at the final modem interface absorbs these reflections, ensuring uninterrupted data tracking.
