Dell PowerConnect B-DCX-4s Inter-Chassis Link Cable Replacement Procedure
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January 31, 2010
Inter-Chassis Link Cable
Replacement Procedure
Supporting PowerConnect B-DCX Backbone and PowerConnect B-DCX-4S
Backbone
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Notes, Cautions, and Warnings
NOTE
CAUTION
CAUTION
DANGER
A NOTE indicates important information that helps you make better use of your computer.
See the safety and regulatory information that shipped with your system. For additional regulatory
information, see the Regulatory Compliance Homepage on www.dell.com at the following location:
www.dell.com/regulatory_compliance.
A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
A DANGER indicates a potential for property damage, personal injury, or death.
____________________
Information in this document is subject to change without notice.
© 2009 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, Inspiron, Dell Precision, Dimension, OptiPlex, Latitude, PowerEdge, PowerVault, PowerApp, Dell
OpenManage and the YOURS IS HERE
in the U.S. and other countries; Microsoft, Windows, Windows Server, MS-DOS and Windows Vista are either trademarks or registered trademarks
of Microsoft Corporation in the United States and/or other countries.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.
Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
Regulatory Model Codes: Brocade DCX-4S, Brocade DCX
2 Inter-Chassis Link Cable Replacement Procedure
logo are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation
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In this guide
NOTE
•Replacing the Inter-Chassis Link Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
•Time required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
•Items required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
•Removing an ICL cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
•Replacing an ICL cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Replacing the Inter-Chassis Link Cables
ICL ports can be used only with an ICL license. After the addition or removal of a license, the license enforcement is
performed on the ICL ports only when the portdisable and portenable commands are issued on the ports. An ICL
license must be installed on both Brocade Backbones forming the ICL connection. The backbones can be either two
PowerConnect B-DCX units, two PowerConnect B-DCX-4S units, or one DCX and one DCX-4S or any combination of
three backbones of either type.
Tab le 1 describes the ICL connector port LED patterns and the recommended actions for those patterns.
TABLE 1 ICL connector port LEDs
LED purpose Color Status Recommended action
LINK LED No light (LED is off) No ICL or ICL cable
present, but no
connection.
Steady green ICL connected. No action required.
ATTN LED No light (LED is off) ICL operational. No action required.
Blinking amber Attention required. Ensure that the ICL cable is
Follow this procedure to install the inter-chassis link (ICL) cables. Refer to the Fabric OS Administrator’s Guide for the
configuration procedure and requirements.
Ensure that the ICL cable is
correctly installed.
correctly installed.
Time required
The replacement procedure for an ICL cable takes less than five minutes.
Items required
Replacement ICL cable
Figure 1 shows an ICL cable. The ICL cables (2 meters long) and the ICL connectors (Figure 1) are color-coded and
labeled for ease of installation.Figure 2 through Figure 9 show the acceptable cabling configurations for the
inter-chassis link (ICL) feature. Connect the ICL cables in one of the configurations shown.
Inter-Chassis Link Cable Replacement Procedure 3
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ATTENTION
To prevent the latch mechanism from wear, use the color-coded (green) latch-release tab for cable removal. Pull the
ICL 1
ICL 0
tab to disengage the retention latch before cable removal.
Removing an ICL cable
1. Using the latch release tabs, pull each plug on the cable from its respective receptacle on the core switch blades
(CR4S-8).
2. Repeat for each cable that requires replacement.
FIGURE 1 Inter-chassis link (ICL) cable
Replacing an ICL cable
1. Align the color-coded and labeled (ICL 1 and ICL 0) plugs on either end of the ICL cable with their respective
connectors on the core switch blades (either CR8 blades in the DCX or CR4S-8 blades in the DCX-4S).
2. Push each plug in until the latch mechanism clicks into place. Follow the steps in one of the two procedures
below to install the ICL cables.
For a two-DCX installation:
a. Connect the cables from the top connectors (ICL 1) of the CR8 blades in the first chassis to the bottom
connectors (ICL 0) of the CR8 blades in the second chassis.
b. Connect the cables from the bottom connectors (ICL 0) of the CR8 blades in the first chassis to the top
connectors (ICL 1) of the CR8 blades in the second chassis.
For a two-DCX-4S installation remember that the blades in the DCX-4S are installed horizontally, so the usual
top-to-bottom orientation becomes a left-to-right orientation:
a. Connect the cables from the top connectors (ICL 1) of the CR4S-8 blades in the first chassis to the bottom
connectors (ICL 0) of the CR4S-8 blades in the second chassis.
b. Connect the cables from the bottom connectors (ICL 0) of the CR4S-8 blades in the first chassis to the top
connectors (ICL 1) of the CR4S-8 blades in the second chassis.
For a DCX-to-DCX-4S installation keep in mind that top and left are the same as are bottom and right when you
move from the connectors on the DCX to the DCX-4S.
3. Repeat steps 1 and 2 for each cable that requires replacement.
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