Technical Specifications Interface: Expanded multi‑serial‑port channels Bus: Mark‑VIe backplane Operating Temperature:‑30℃ ~ +70℃ Mount: Rack plug‑in
Functional Features Multi‑device serial data processing Enhanced surge protection Comprehensive link‑state diagnosis
Application Scenarios Mark‑VIe cabinet with large‑quantity third‑party serial instruments
Performance Parameters Higher serial‑port throughput, improved anti‑interference performance
Structural Characteristics Upgraded PCB assembly Backplane connector Front‑panel port‑status LED indicators Rack locking hardware
Working Principle Collects and converts multi‑channel serial‑device data, transmits processed information to main controller via internal backplane bus.
Installation Requirements Verify firmware compatibility, perform ESD anti‑static handling.
Usage Notes Cannot directly replace IS420UCSBH1A without system compatibility confirmation.














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