TheDSTC 408 (57520001-FE)is a passive Module Termination Unit (MTU) manufactured by ABB for the foundational Advant Master DCS and MasterPiece automation control networks. Belonging to ABB’s "Classic" long-lifecycle series, this specialized component is designed to operate in direct pairing configuration with theDSTC 452communication modem.
Technical Specifications
Manufacturer: ABB
Product Line / System: Advant Master DCS / MasterPiece Network Bus
Functional System Pairing: Used exclusively alongside the DSTC 452 communication modem
Application Topology: Installs on the Short Distance Bus (SDB) side as a "final" node termination block
Quantity Rule: 1 piece required per final boundary 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 408 (57520001-FE)is integrated into core communication cabinets, data highway panels, and marshaling racks across continuous process heavy industries—such as offshore drilling platforms, metallurgical plants, water treatment facilities, and pulp mills relying on legacy ABB Advant Master nodes. When remote sub-racks communicate over copper lines using the Short Distance Bus protocol, the high-frequency data waveforms tend to reflect backward when they hit the physical end of the wire. If unmanaged, this signal echo corrupts incoming logic packets. Placing this passive module at the final modem node absorbs the raw electrical energy, keeping the communication bus stable.
