Juniper ACX7100-32C Hardware Manual page 93

CAUTION: Replace a failed fan module with a new fan module within 1 minute of
removal to prevent chassis overheating. Before removing the fan module, ensure that
you have a replacement fan module at hand.
NOTE: The fan module provides port-to-FRU airflow (AO) or FRU-to-port (AI) airflow depending
on the product model that you purchase.
Ensure that you have the following parts and tools available to install a fan module in an ACX7100-32C
router:
• ESD grounding strap
• Antistatic bag or an antistatic mat
• Phillips (+) screwdriver, number 2
To install a fan module in an ACX7100-32C router (see
1. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other
end of the strap to the ESD point on the chassis.
2. Taking care not to touch the connectors, remove the fan module from its bag.
3. Align the module with the open slot on the rear panel of the chassis and slide it in until it is fully
seated.
CAUTION: Damage can occur if you attempt to install a fan module into a chassis with
a different airflow direction. Compare the router product model with the airflow
marking on the handle to ensure that you are installing a fan module with the same
airflow direction as the chassis. The fan modules are designed so that they can only be
inserted into the ACX7100-32C product model that supports the same airflow type.
See "Cooling System and Airflow in ACX7100-32C Routers" on page 17
information.
Figure 35 on page 86):
for more
85