HP Cluster Platform Interconnects v2010 Quadrics QsNetII Interconnect - Page 64

Replacing a Midplane

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7.6.5 Electromagnetic Interference (EMI) Adhere to the following guidelines to ensure that the interconnect meets its EMI specifications when operating: 1. All clock I/O connections must be made using the specified QM584 CAT-VE double-screened (foil and braid) cables that are identified by the correct FRU part number. Do not use any other CAT-VE cables. 2. All network I/O connections must be made using specified cable assemblies that are identified by the correct FRU part number. 3. Ensure that the cables are fully inserted, locked in position and have the required cable management support to ensure connector mating angles are within the acceptable limits. 4. Replace cables if they show any signs of damage. 5. All unused switch card ports must have a QM574 shielded connector cover installed. 6. All switch ports must have spring finger connector clips installed with all spring fingers contacting the cable connector housing. Replace the clips if they show any signs of damage. 7. If removing or replacing modules ensure the spring finger gaskets on switch cards, fan trays, and controller cards show no signs of damage. 8. All unused module slots must be installed with an appropriate blank or filler module. 7.7 Replacing a Midplane Use the following procedure to remove and replace a midplane: 1. Familiarize yourself with the components shown in Figure 7-11 and read the installation instructions supplied with the midplane kit. The instructions supplied with the kit might supersede the instructions in this procedure. Verify the kit contents. 7-16 Installation and Maintenance of the 128-Port Interconnect

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7.6.5 Electromagnetic Interference (EMI)
Adhere to the following guidelines to ensure that the interconnect meets its EMI
specifications when operating:
1.
All clock I/O connections must be made using the specified QM584 CAT-VE
double-screened (foil and braid) cables that are identified by the correct FRU
part number. Do not use any other CAT-VE cables.
2.
All network I/O connections must be made using specified cable assemblies
that are identified by the correct FRU part number.
3.
Ensure that the cables are fully inserted, locked in position and have the
required cable management support to ensure connector mating angles are
within the acceptable limits.
4.
Replace cables if they show any signs of damage.
5.
All unused switch card ports must have a QM574 shielded connector cover
installed.
6.
All switch ports must have spring finger connector clips installed with all
spring fingers contacting the cable connector housing. Replace the clips if they
show any signs of damage.
7.
If removing or replacing modules ensure the spring finger gaskets on switch
cards, fan trays, and controller cards show no signs of damage.
8.
All unused module slots must be installed with an appropriate blank or filler
module.
7.7 Replacing a Midplane
Use the following procedure to remove and replace a midplane:
1.
Familiarize yourself with the components shown in Figure 7-11 and read the
installation instructions supplied with the midplane kit. The instructions
supplied with the kit might supersede the instructions in this procedure.
Verify the kit contents.
7-16
Installation and Maintenance of the 128-Port Interconnect