The Abaco Systems / SBS 1320-028-8 is a dual coupling harness designed for MIL-STD-1553 data bus integration. It provides transformer-coupled connection to MIL-STD-1553 buses, enabling reliable command/response communication across dual-redundant balanced-line topologies common in military and aerospace platforms.
Technical Specifications
• Standard Compliance: MIL-STD-1553
• Configuration: Dual coupling harness
• Coupling Type: Transformer coupling with isolation resistor integration
• Material Properties:
– Light weight
– Highly flexible
– Flame resistant
– Chemical resistant to all aircraft fluids
– Solder iron resistant
– Defined shielding levels
– Key Features
• Transformer-coupled architecture isolates connected devices from the MIL-STD-1553 bus while maintaining signal integrity across the dual-redundant topology.
• Flexible, lightweight construction suitable for space-constrained avionics and military platforms.
• Materials engineered for aircraft environment compatibility—resistant to chemical exposure, thermal stress, and mechanical flexing.
• Shielded design minimizes EMI in high-noise military communications environments.
– Typical Applications
• Avionics systems and military aircraft data networks
• Spacecraft command and telemetry interfaces
• Laboratory and test environments for MIL-STD-1553 protocol validation
• Embedded systems and simulation platforms requiring MIL-STD-1553 bus access
– Compatibility & Integration
The harness integrates with MIL-STD-1553 modules across military and aerospace platforms. Standard connectors for MIL-STD-1553 systems typically include Twinax (CJ70 series) and BNC types for trigger I/O applications.


















