53-1004106-15 Installation Guide
Brocade
®
X6-4 Director Hardware Installation Guide
NOTE
Unless the device is powered down and not operational, do not perform these steps without first performing
procedures under either
.
1. Remove the two screws from the WWN bezel on the back of the device using a Phillips screwdriver. Pull the bezel
away from the chassis and set it aside. The ends of both WWN card assemblies with pull tabs are now visible.
2. Unscrew the captive screw for the WWN card assembly using a Phillips screwdriver until the assembly releases from
chassis.
3. Grasp the pull tab for a WWN card assembly and gently pull to release the assembly from backplane connector.
Carefully slide the card assembly out from the chassis slot.
Use both hands to support the card assembly along its length as you remove it from the slot.
Figure 60: Removing and Installing WWN Cards
1. WWN card 1
2. WWN card 2
3. WWN card bezel
4. Depending on the WWN card assembly removed, label the assembly with No. 1 for the left-side assembly and No. 2
for the right-side assembly for future reference.
5. Set the WWN card assembly on a static-free surface, such as a grounding pad.
Configuring the Airflow Direction on WWN Cards
All fan and power supply assemblies installed in the chassis must provide the same airflow direction, either nonport-side
intake (NPI) or nonport-side exhaust (NPE), and the airflow must be neutral.
A mismatch of between the system and fan and power supply airflow direction may occur when installing new WWN cards
into an existing chassis with fan and power supply assemblies already installed or when installing fan and power supply
assemblies into a replacement chassis. Replacement chassis are shipped with new WWN cards installed, and the airflow
direction is not configured on these cards.
The system detects the airflow direction of the chassis at system boot based on the airflow direction of installed power
supply and fan assemblies. Normally, if there is a mismatch between airflow direction set on WWN cards and airflow
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