Fans
The S4112–ON Series (S4112F-ON and S4112T-ON) switch comes from the factory with three integrated fans.
The S4112–ON Series switch supports two airow direction options—normal and reverse.
• Airow is from the I/O panel to the PSU—normal.
• Airow is from the PSU to the I/O panel—reverse.
Components
The following are the S4112–ON Series (S4112F-ON and S4112T-ON) fan components:
• S4112–ON Series fan module
• S4112–ON Series fan module—reverse
Integrated fan number 1 is on the left PSU-side, fan number 2 is in the center PSU-side, and fan number 3 is on the right PSU-side.
Figure 27. S4112–ON Series AC and DC fan modules
1
AC and DC fan modules
Fan LEDs
• Solid green—fan function is normal.
• Flashing yellow—there is a fan fault.
• O—fan is o.
6
32 Fans