Cisco 12016, Cisco 12416, and Cisco 12816 Router
Blower Module and Air Filter
Cisco Product Numbers: GSR16-BLOWER=, 12000/10/16-BLWER=, ACS-GSR16-FLTR=
This publication contains removal and replacement procedures for the blower module and chassis air
filter in Cisco 12016, Cisco 12416, and Cisco 12816 routers. Unless otherwise noted, all information in
this publication applies to all router models.
The illustrations in this guide represent both the original and newer enhanced capacity blower modules,
and air filters for the Cisco 12016, Cisco 12416, and Cisco 12816 routers. Depending on your system,
these components may not look exactly like those in your chassis, but the removal and replacement
procedures are essentially the same. For clarity, most chassis covers are not shown in the illustrations.
Blower Module Compatibility
There are currently two types of blower modules in use for the Cisco 12016, Cisco 12416, and Cisco
12816 routers; blowers that shipped with original systems, and enhanced capacity blowers that ship with
If you are replacing an:
You cannot mix original and enhanced capacity blower modules in the same chassis. Both the upper and
lower blower modules must be identical.
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Original blower module (GSR16-BLOWER=)—Use an original blower module or enhanced
capacity blower modules as replacements.
Enhanced capacity blower module (12000/10/16-BLWER=)—Use an enhanced capacity blower
module as a replacement.