OBS-A-024.1
Observed symptom
Reader bus 2 accumulated CRC errors after approximately six to eight hours. Readers briefly went offline while the SC-410 remained reachable on IP.
Observation Sheet · REVISION 1
OBS-A-024 — Intermittent reader bus CRC errors
Fictional / anonymised ENGGEN 720 demonstration source. SiteAssist reads the stored sections below through controlled read-only tools.
Document typeObservation Sheet
Revision1
System version scope4.2 → 4.2
Published18 May 2025
Evidence groupATLAS
Source scopeProject History
Original formatPDF
Eligible source. The agent may retrieve this document only when product/version scope and relevance checks also pass.
Stored source sections
3 sections
Source section
OBS-A-024.2
Inspection finding
The final reader had no end-of-line termination fitted. Intermediate devices were not terminated.
OBS-A-024.3
Action recorded
A 120 ohm resistor was fitted at the final reader and the bus was placed on an eight-hour soak test.