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Attention:
and regulatory certifications.
CAUTION:
No user-serviceable parts are inside the blower assembly.
Perform the following steps to determine the status of a blower assembly:
1. Check the LEDs on the blower assembly.
2. Check the blower assembly status by using the fanShow command. The status
WWN card and bezel
The WWN card and bezel are located at the top of the chassis on the blower
assembly side. The WWN card has LEDs that you use to monitor the switch. The
WWN card also stores the following information:
v The chassis serial number (used when installing software licenses)
v The two native IP addresses that are assigned to the CP card slots
v The logical switch names, IP addresses, and WWNs for the two logical switches
The bezel protects the card and identifies each of the LEDs on the WWN card.
Together, the WWN card and bezel assembly provides a consolidated view of the
LEDs for the two CP cards, eight 16–port cards, and four power supplies. If a slot
contains a filler panel, the corresponding LEDs on the WWN card are not
illuminated.
Note: There are two types of WWN cards. One type is attached to the chassis by
Attention:
in the flash memory of the CP cards, do not restart the switch while the WWN card
is uninstalled. Restarting the switch can cause the switch to start incorrectly.
Attention:
prevent damage to the electrical components.
Cable management items
Two items are provided to assist with cable management:
v Cable management tray
v Cable guides
Disassembling any part of the blower assembly voids the part warranty
for each blower assembly displays OK, absent, or faulty. For additional
information about the fanShow command, see the Brocade Fabric OS
Reference.
screws and the other type is held on by the pressure of the bezel against a
pad on the card face.
Although the information that is stored in the WWN card is also stored
Wear an ESD grounding strap when you work with the WWN card to
The cable management tray is attached to the bottom of the chassis. You can
use it to route the power cables and other cables down below the chassis or out
the sides of the chassis.
A set of 16 cable guides is provided with the cabinet. You can use the guides to
organize the port cables into logical groups, such as port quads (sets of four
neighboring ports). The cable guides are free-floating and do not attach to the
chassis. The cable guides keep the cables evenly spaced and hold them away
from the 16–port cards. This makes card replacement easier and prevents the
cables from bending to less than the minimum bend radius.
Chapter 3. Operating the M12
19
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