https://www.beixundcs.com/product/abb-ypg109a-yt204001-ce-modem-board-advanced-communication-for-industrial-automation/
ABB YPG109A YT204001-CE Modem Board: Advanced Communication for Industrial Automation - beixundcs...
The ABB YPG109A YT204001-CE Modem Board is an advanced industrial communication module designed for seamless integration into complex control systems, ensuring...
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https://www.righto.com/2021/09/reverse-engineering-unusual-ibm-modem.html?m=1
Reverse-engineering an unusual IBM modem board from 1965
The vintage IBM circuit board below has a large metal block on it that caught my attention, so I investigated it in detail. It turns out t...
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https://www.plcdcsmodule.com/product/2424.html
HONEYWELL PWB 51305896-200 NIM MODEM BOARD
The Honeywell 51305896-200 REV D is a NIM (Network Interface Module) modem board specially designed for the Honeywell TDC3000/TPS distributed control system....
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https://www.automated-supply.com/product/abb-ypi105c-yt204001-bk-industrial-modem-board/
ABB YPI105C YT204001-BK Industrial Modem Board - automated-supply Automation
The ABB YPI105C YT204001-BK Industrial Modem Board is designed for high-speed communication and data transmission in industrial automation systems.
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https://www.1bitrainbow.com/parts-store.php?cPath=31_864_687_P2531
1br: PowerBook Duo Modem Board, US/Canada/Japan
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