Which file should I choose?
Use UD_2102272.pdf (revision A) to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.

ABB User - 2102272: original PDF for terminal or connection hardware layouts. Btu 8000/8100 RS-232 Port-to-PC (9-Pin r 25-Pin "D" Connectors) Generic Wiring Guide.
A terminal provides an identified point for joining wires to equipment or to other wires. Terminal strips organise those connections so they can be wired and checked.
Use UD_2102272.pdf (revision A) to read the original sheet, including its annotations and any marked dimensions. The selected drawing sheet is page 1.
1 inspected original for ABB User - 2102272: UD_2102272.pdf (PDF). The manufacturer describes this configuration as Btu 8000/8100 RS-232 Port-to-PC (9-Pin r 25-Pin "D" Connectors) Generic Wiring Guide.
PDF · 70 KB · Rev A · Reference document
Download filename: UD_2102272.pdf
Original manufacturer drawing sheet
1 inspected original for ABB User - 2102272: UD_2102272.pdf (PDF). The manufacturer describes this configuration as Btu 8000/8100 RS-232 Port-to-PC (9-Pin r 25-Pin "D" Connectors) Generic Wiring Guide.
ABB supplied the original files through https://search.abb.com/library/Download.aspx?DocumentID=UD%2F2102272&LanguageCode=en&DocumentPartId=&Action=Launch. The source reference, revision, original bytes and checksum are retained with each download.
Original publisher: ABB. Source checked 2026-11-11. Original bytes are preserved; file links and document references identify the source.
Manufacturer source discovery; confirm the exact regional equipment configuration and certification separately.
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