Sealevel Systems, Inc. will be closed beginning December 20, 2024. Order processing and communication will resume January 2, 2025.

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      Sealevel Systems, Inc. was founded in 1986. The same innovation and responsive thinking that gave us our start drives us still today.

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March 25, 2024 - Datasheets, Serial I/O

Datasheet:  PCI 8-Port RS-232, RS-422, RS-485 Serial Interface 

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October 6, 2023 - Datasheets, Serial I/O

Datasheet: 7803c 

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June 8, 2023 - Manuals & Documentation, Product Manuals, Serial I/O

Manual: 7803ec

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August 4, 2022 - Datasheets, Serial I/O

Datasheet: 2223-KT

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August 3, 2022 - Datasheets, Serial I/O

Datasheet: 687U

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August 3, 2022 - Datasheets, Serial I/O

Datasheet: 681U

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July 25, 2022 - Datasheets, Serial I/O

Datasheet: 2202-TB2

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July 25, 2022 - Datasheets, Serial I/O

Datasheet: 2208

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July 25, 2022 - Datasheets, Serial I/O

Datasheet: 2202

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