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3 Installing the Cable Management Bracket

The location of the c-Class enclosure cable management bracket depends on the rack position
occupied by the HP BladeSystem c-Class enclosure. The InfiniBand switch might be installed in
any or all of the interconnect module bays identified in

Table 2-1

.

The kit occupies less than 1U (1.75 inches) of rack column space.

3.1 Installing the Cable Management Bracket

Use the following procedure to install the HP BladeSystem c-Class enclosure cable management
bracket:

Caution:

When performing the installation procedure, extend only one c-Class enclosure no more than a
few inches from the rack at any time. Ensure that the rack is stable before you begin the installation
procedure.

Note:

One HP BladeSystem c-Class enclosure cable management bracket is required for each InfiniBand
switch installed in the rear of the c-Class enclosure.

1.

Starting from the lowest bracket location, and using the fastener locations that you identified
and marked in

Chapter 2

, clip a cage nut into the back of each rear rack column.

2.

Hook the bracket onto the square cutouts in the rack column.

3.

Fasten the bracket to the rear rack columns by using two M6 pan-head screws and tighten
them to the specified torque.

4.

If more than one bracket is required, repeat Step 1.

5.

Slide the c-Class enclosure back into the rack and secure it at the front of the rack as specified
in the installation instructions for the enclosure.

6.

If necessary, attach the second bracket once the first switch (lowest switch in the c7000
enclosure) is cabled and tie-wrapped.

Note:

HP recommends that you only install the cable management bracket for the lowest InfiniBand
switch in the c-Class enclosure and complete the cable installation. Doing so makes it easier to
install the releasable cable ties for each of the InfiniBand cables. Once the releasable cable ties
are installed for the InfiniBand cables coming from the switch installed in the lowest interconnect
module bay, you must install the next cable management bracket and releasable cable ties for
the next InfiniBand switch. It is necessary to complete the installation for the lowest bracket first
because there is not much room between the brackets to secure the releasable cable ties when
two brackets need to be installed.

3.2 Installing the Releasable Cable Ties for the InfiniBand Cables

Figure 3-1

shows the holes in the bracket that are used in the cable management bracket for an

InfiniBand switch with 16 external uplink ports.

Figure 3-2

shows the holes in the bracket that

are used for an InfiniBand switch with 8 external uplink ports.

3.1 Installing the Cable Management Bracket

13

Содержание BladeSystem c-Class Enclosure Cable Management Bracket

Страница 1: ...HP BladeSystem c Class Enclosure Cable Management Bracket Installation Guide HP Part Number 436670 doc Published September 2008 ...

Страница 2: ...products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein InfiniBand is a trademark of the InfiniBand Trade Association Printed in the U S A ...

Страница 3: ...quisites 9 2 Aligning the Bracket 11 3 Installing the Cable Management Bracket 13 3 1 Installing the Cable Management Bracket 13 3 2 Installing the Releasable Cable Ties for the InfiniBand Cables 13 4 Removing InfiniBand Cables and Switches 17 4 1 Removing a Damaged Cable From the c Class Cable Management Bracket 17 4 2 InfiniBand Switch Removal 17 Table of Contents 3 ...

Страница 4: ... A Cable Management Bracket Holding 16 InfiniBand Uplink Cables 14 3 2 A Cable Management Bracket Holding 8 InfiniBand Uplink Cables 15 3 3 InfiniBand Cable Secured with a Releasable Cable Tie 16 3 4 Gauging the Tightness of the Releasable Cable Tie Loop 16 4 1 Cable Tie Release Tab 17 4 List of Figures ...

Страница 5: ...List of Tables 1 1 Fasteners Supplied with Cabinet Mounting Hardware 8 2 1 Bracket Mount Locations 12 5 ...

Страница 6: ...6 ...

Страница 7: ...ches For example the InfiniBand cables that run from an HP BLc 4X DDR InfiniBand switch mounted in the rear of the HP BladeSystem c Class enclosure to another switch or a similar interconnect device The kit provides strain relief for the cables connected to the individual InfiniBand interconnect ports and ensures a good connection It also ensures the correct bend radius for the cable and provides ...

Страница 8: ...d with Cabinet Mounting Hardware Description Torque Format Size Qty Cage nut for M6 screw N A Square nut M6 cage nuts 2 Machine screw For use with M6 cage nut 25 30 in lb 2 Cross recess M6 x 0 625 inch pan head screws 2 To prevent screws from becoming loose because of vibration HP recommends that you use an adjustable torque drive set to the torque specifications given in the table above Contact y...

Страница 9: ...e HP Cluster Platform InfiniBand Interconnect Installation and User s Guide Ensure you know how to plug in the InfiniBand cables as described in the HP Cluster Platform InfiniBand Interconnect Installation and User s Guide Read the rack installation instructions for the c Class enclosure Obtain the set of cabling tables required for your HP Cluster Platform solution Important Do not secure the enc...

Страница 10: ...10 ...

Страница 11: ... Orientation 2 1 The following list describes the callouts shown in Figure 2 1 1 Mounting hook installed in one of the mounting holes in the rack s rear left column 2 Cable management bracket Callout 1 shows the bracket s mounting hook installed in one of the square holes in the left rear rack column The actual mounting locations for a bracket are relevant to the location of the c Class enclosure ...

Страница 12: ...tain the InfiniBand switch Note There might be more than one InfiniBand switch module in some configurations 2 Determine the rack U location that aligns with the top of the c Class enclosure 3 Using a pen or masking tape mark the mount locations defined in Table 2 1 Table 2 1 Bracket Mount Locations Fastener Cutout Bracket Hook Cut out Relative U Location Interconnect Module Bay Top cutout of the ...

Страница 13: ...d torque 4 If more than one bracket is required repeat Step 1 5 Slide the c Class enclosure back into the rack and secure it at the front of the rack as specified in the installation instructions for the enclosure 6 If necessary attach the second bracket once the first switch lowest switch in the c7000 enclosure is cabled and tie wrapped Note HP recommends that you only install the cable managemen...

Страница 14: ...6 InfiniBand Uplink Cables 2 1 3 The following list describes the callouts shown in Figure 3 1 1 Left rear rack column 2 16 secured InfiniBand cables 3 One of the 16 releasable cable ties completed assembly 14 Installing the Cable Management Bracket ...

Страница 15: ...stall the push button mounts The row of holes closest to the InfiniBand switch are used for the 16 uplink port InfiniBand switch The row of holes furthest out from the switch are used for the 8 uplink port InfiniBand switch 2 Install the push button mounts by pressing them upward into each hole in the cable management bracket for your InfiniBand switch type see callout 4 in Figure 1 1 3 Cable the ...

Страница 16: ...t there is room to allow the InfiniBand cable callout 4 in Figure 3 4 to move freely in the releasable cable tie loop callout 3 in Figure 3 4 that is secured to the cable management bracket callout 2 in Figure 3 4 with a push button mount not shown in Figure 3 4 Figure 3 4 Gauging the Tightness of the Releasable Cable Tie Loop 1 3 2 4 6 Repeat steps 4 and 5 to secure the remaining InfiniBand cable...

Страница 17: ...ion of the switch might be difficult without the use of needle nose pliers and a small flat headed screw driver Be very careful not to damage other InfiniBand cables while using pliers or a screw driver 3 Remove the InfiniBand cable from the switch To remove the InfiniBand cable pull the release tab on the QSFP connector while using your other hand to remove the connector from the switch For more ...

Страница 18: ...t and carefully set the bracket aside Caution Do not bend the InfiniBand cables more than the four inch minimum bend radius 5 Push the blade handle release button to release the blade handle 6 Open the blade handle and slide the switch all the way out of the HP BladeSystem c7000 enclosure 18 Removing InfiniBand Cables and Switches ...

Страница 19: ...19 ...

Страница 20: ... 436670 doc Printed in the US ...

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