Technical Specifications
Cable length is 25 feet (8 meters). Connector type is 25-pin D-type male connector on one end and dual-headed connector (one male and one female 25-pin D-type) on the other end. Cable type is Wye cable with continuous wire shielding. Conducting material is 28 AWG wire. Average weight is 2.0 pounds. The cable is shielded throughout its length.
Functional Features
Wye configuration allows daisy-chaining of multiple expansion baseplates. Continuous shielding protects against electromagnetic interference. 25-foot length accommodates remote mounting of expansion racks. Dual-headed connector simplifies wiring to the next baseplate in the chain.
Application Scenarios
Series 90-30 system expansion, remote I/O rack connection, distributed control architectures, and applications requiring physical separation between CPU and I/O baseplates.

Performance Parameters
25-foot maximum length for this cable model supports moderate-distance rack separation. Continuous shielding maintains signal integrity in industrial environments. 28 AWG conductors provide reliable backplane signal transmission.
Material Composition
Shielded multi-conductor cable with 28 AWG copper conductors, PVC or industrial-grade jacket, and metal-shell D-sub connectors.
Structural Characteristics
Wye cable assembly with one single male connector and one dual-headed male/female connector. Strain relief at connector entries. Shield continuity throughout the cable length.
Installation Requirements
Connect the single male 25-pin connector to the female connector on the CPU baseplate. Connect the dual-headed male connector to the next expansion baseplate. Use the dual-headed female connector for the next expansion cable or terminator plug if this is the last baseplate in the chain. Maintain proper cable routing away from high-voltage power cables.
Usage Precautions
Do not exceed the maximum number of expansion baseplates supported by the CPU model. Verify cable length does not exceed specifications for reliable operation. Ensure shield is grounded at one end only to prevent ground loops.














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