Key facts
- Manuals
- 1
- Languages
- EN
- Last added
- 2026-10-16
Featured NIS manuals

NIS NIS-S991 Fanless Embedded Computer User Manual
The NIS-S991 is a fanless embedded computer designed with Intel SkyLake series low-power processors. It features dual Gigabit LAN ports, multiple serial interfaces (RS232/485), USB 3.0/2.0 ports, and support for 3G/4G communication modules. The device operates on a wide DC input voltage range of 9V to 30V.
Covers: Product Introduction · Hardware Installation · BIOS Settings · Software Installation · Safety Guidelines · I/O Interface Definitions
Latest NIS manuals
NIS NIS-S991 Fanless Embedded Computer User Manual
User Manual 54 pages · 2.7 MB · ENThis user manual covers the installation, BIOS settings, and software configuration for the NIS NIS-S991 fanless embedded computer.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in NIS manuals
What is the operating temperature range for the NIS-S991?
The device should not be used in environments below -20°C (-4°F) or above 70°C (140°F).
Can the NIS-S991 support 3G/4G communication modules?
Yes, it supports 3G/4G communication modules via a MiniPCIe X1 interface.
